Merge branch 'master' into phantom

98 files changed, 1878 insertions, 1052 deletions

diff --git a/engines/mads/action.cpp b/engines/mads/action.cpp
index 199ae39000..f1c562675f 100644
--- a/engines/mads/action.cpp
+++ b/engines/mads/action.cpp
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
@@ -567,9 +567,8 @@ void MADSAction::leftClick() {
 		switch (userInterface._category) {
 		case CAT_COMMAND:
 			if (_selectedRow >= 0) {
-				if (_verbType == VERB_ONLY) {
+				if (_verbType == VERB_ONLY)
 					_selectedAction = -1;
-				}
 				else {
 					_recentCommand = _selectedRow;
 					_recentCommandSource = _commandSource;
diff --git a/engines/mads/action.h b/engines/mads/action.h
index cfd5a3be3f..3ea10cd964 100644
--- a/engines/mads/action.h
+++ b/engines/mads/action.h
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
diff --git a/engines/mads/animation.cpp b/engines/mads/animation.cpp
index 9f0e0adb6d..e4f44fc308 100644
--- a/engines/mads/animation.cpp
+++ b/engines/mads/animation.cpp
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
@@ -41,7 +41,7 @@ void AAHeader::load(Common::SeekableReadStream *f) {
 	_spritesIndex = f->readUint16LE();
 	_scrollPosition.x = f->readSint16LE();
 	_scrollPosition.y = f->readSint16LE();
-	_scrollTicks = f->readUint32LE();
+	_scrollTicks = f->readUint32LE() & 0xffff;
 	f->skip(6);
 
 	char buffer[FILENAME_SIZE];
@@ -340,9 +340,6 @@ void Animation::startAnimation(int endTrigger) {
 		_unkIndex = -1;
 		//SpriteAsset *asset = _scene->_sprites[_spriteListIndexes[_header._spritesIndex]];
 
-		// TODO: Weird stuff with _unkList. Seems like it's treated as pointers
-		// here, but in processText, it's used as POINTs?
-
 		loadFrame(1);
 	}
 
@@ -439,10 +436,8 @@ void Animation::update() {
 	if (_vm->_game->_scene._frameStartTime < _nextFrameTimer)
 		return;
 
-	for (uint idx = 0; idx < scene._spriteSlots.size(); ++idx) {
-		if (scene._spriteSlots[idx]._seqIndex >= 0x80)
-			scene._spriteSlots[idx]._flags = IMG_ERASE;
-	}
+	// Erase any active sprites
+	eraseSprites();
 
 	// Validate the current frame
 	if (_currentFrame >= (int)_miscEntries.size()) {
@@ -601,12 +596,19 @@ void Animation::setCurrentFrame(int frameNumber) {
 	_currentFrame = frameNumber;
 	_oldFrameEntry = 0;
 	_freeFlag = false;
-
-	_nextScrollTimer = _nextFrameTimer = _vm->_game->_scene._frameStartTime;
 }
 
 void Animation::setNextFrameTimer(int frameNumber) {
 	_nextFrameTimer = frameNumber;
 }
 
+void Animation::eraseSprites() {
+	Scene &scene = _vm->_game->_scene;
+
+	for (uint idx = 0; idx < scene._spriteSlots.size(); ++idx) {
+		if (scene._spriteSlots[idx]._seqIndex >= 0x80)
+			scene._spriteSlots[idx]._flags = IMG_ERASE;
+	}
+}
+
 } // End of namespace MADS
diff --git a/engines/mads/animation.h b/engines/mads/animation.h
index 8b85a5370d..46ef85c5eb 100644
--- a/engines/mads/animation.h
+++ b/engines/mads/animation.h
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
@@ -219,6 +219,11 @@ public:
 	 */
 	void update();
 
+	/**
+	 * Erases any sprites from the previous animation frame
+	 */
+	void eraseSprites();
+
 	void setNextFrameTimer(int frameNumber);
 	int getNextFrameTimer() const { return _nextFrameTimer; }
 	void setCurrentFrame(int frameNumber);
diff --git a/engines/mads/assets.cpp b/engines/mads/assets.cpp
index a2d495f311..1d4634e383 100644
--- a/engines/mads/assets.cpp
+++ b/engines/mads/assets.cpp
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
diff --git a/engines/mads/assets.h b/engines/mads/assets.h
index 155590f9bd..8a0dc2cd44 100644
--- a/engines/mads/assets.h
+++ b/engines/mads/assets.h
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
diff --git a/engines/mads/audio.cpp b/engines/mads/audio.cpp
index 1c61e13957..8f33f22243 100644
--- a/engines/mads/audio.cpp
+++ b/engines/mads/audio.cpp
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
@@ -37,6 +37,7 @@ AudioPlayer::AudioPlayer(Audio::Mixer *mixer, uint32 gameID) : _mixer(mixer), _g
 
 AudioPlayer::~AudioPlayer() {
 	_dsrEntries.clear();
+	_filename = "";
 }
 
 bool AudioPlayer::isPlaying() const {
@@ -65,25 +66,27 @@ void AudioPlayer::setDefaultSoundGroup() {
 }
 
 void AudioPlayer::setSoundGroup(const Common::String &filename) {
-	_dsrEntries.clear();
-
-	_filename = filename;
-	_dsrFile.open(filename);
-
-	// Read header
-	uint16 entryCount = _dsrFile.readUint16LE();
-
-	for (uint16 i = 0; i < entryCount; i++) {
-		DSREntry newEntry;
-		newEntry.frequency = _dsrFile.readUint16LE();
-		newEntry.channels = _dsrFile.readUint32LE();
-		newEntry.compSize = _dsrFile.readUint32LE();
-		newEntry.uncompSize = _dsrFile.readUint32LE();
-		newEntry.offset = _dsrFile.readUint32LE();
-		_dsrEntries.push_back(newEntry);
+	if (_filename != filename) {
+		_dsrEntries.clear();
+
+		_filename = filename;
+		_dsrFile.open(filename);
+
+		// Read header
+		uint16 entryCount = _dsrFile.readUint16LE();
+
+		for (uint16 i = 0; i < entryCount; i++) {
+			DSREntry newEntry;
+			newEntry.frequency = _dsrFile.readUint16LE();
+			newEntry.channels = _dsrFile.readUint32LE();
+			newEntry.compSize = _dsrFile.readUint32LE();
+			newEntry.uncompSize = _dsrFile.readUint32LE();
+			newEntry.offset = _dsrFile.readUint32LE();
+			_dsrEntries.push_back(newEntry);
+		}
+
+		_dsrFile.close();
 	}
-
-	_dsrFile.close();
 }
 
 void AudioPlayer::playSound(int soundIndex, bool loop) {
@@ -126,4 +129,8 @@ void AudioPlayer::playSound(int soundIndex, bool loop) {
 	*/
 }
 
+void AudioPlayer::stop() {
+	_mixer->stopHandle(_handle);
+}
+
 } // End of namespace M4
diff --git a/engines/mads/audio.h b/engines/mads/audio.h
index 21f4bed59a..5c3cd5e682 100644
--- a/engines/mads/audio.h
+++ b/engines/mads/audio.h
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
@@ -46,6 +46,7 @@ public:
 	void setSoundGroup(const Common::String &filename);
 	void setDefaultSoundGroup();
 	void playSound(int soundIndex, bool loop = false);
+	void stop();
 	void setVolume(int volume);
 	bool isPlaying() const;
 
diff --git a/engines/mads/compression.cpp b/engines/mads/compression.cpp
index 79cd1786de..1f6f1ee202 100644
--- a/engines/mads/compression.cpp
+++ b/engines/mads/compression.cpp
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
diff --git a/engines/mads/compression.h b/engines/mads/compression.h
index f7381e4af3..b560ed33c1 100644
--- a/engines/mads/compression.h
+++ b/engines/mads/compression.h
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
diff --git a/engines/mads/debugger.cpp b/engines/mads/debugger.cpp
index 99251f9fbb..a6a4d3edbc 100644
--- a/engines/mads/debugger.cpp
+++ b/engines/mads/debugger.cpp
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
diff --git a/engines/mads/debugger.h b/engines/mads/debugger.h
index c8fee5f5b2..70b2cadc65 100644
--- a/engines/mads/debugger.h
+++ b/engines/mads/debugger.h
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
diff --git a/engines/mads/detection.cpp b/engines/mads/detection.cpp
index 971acde024..57f4776e82 100644
--- a/engines/mads/detection.cpp
+++ b/engines/mads/detection.cpp
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
@@ -29,6 +29,7 @@
 #include "common/memstream.h"
 #include "engines/advancedDetector.h"
 #include "common/system.h"
+#include "common/translation.h"
 #include "graphics/colormasks.h"
 #include "graphics/surface.h"
 #include "mads/events.h"
@@ -75,11 +76,71 @@ static const PlainGameDescriptor MADSGames[] = {
 	{0, 0}
 };
 
+#define GAMEOPTION_EASY_MOUSE          GUIO_GAMEOPTIONS1
+#define GAMEOPTION_ANIMATED_INVENTORY  GUIO_GAMEOPTIONS2
+#define GAMEOPTION_ANIMATED_INTERFACE  GUIO_GAMEOPTIONS3
+#define GAMEOPTION_NAUGHTY_MODE        GUIO_GAMEOPTIONS4
+//#define GAMEOPTION_GRAPHICS_DITHERING  GUIO_GAMEOPTIONS5
+
 #include "mads/detection_tables.h"
 
+static const ADExtraGuiOptionsMap optionsList[] = {
+	{
+		GAMEOPTION_EASY_MOUSE,
+		{
+			_s("Easy mouse interface"),
+			_s("Shows object names when hovering the mouse over them"),
+			"EasyMouse",
+			true
+		}
+	},
+
+	{
+		GAMEOPTION_ANIMATED_INVENTORY,
+		{
+			_s("Animated inventory items"),
+			_s("Animated inventory items"),
+			"InvObjectsAnimated",
+			true
+		}
+	},
+
+	{
+		GAMEOPTION_ANIMATED_INTERFACE,
+		{
+			_s("Animated game interface"),
+			_s("Animated game interface"),
+			"TextWindowAnimated",
+			true
+		}
+	},
+
+	{
+		GAMEOPTION_NAUGHTY_MODE,
+		{
+			_s("Naughty game mode"),
+			_s("Naughty game mode"),
+			"NaughtyMode",
+			true
+		}
+	},
+
+	/*{
+		GAMEOPTION_GRAPHICS_DITHERING,
+		{
+			_s("Graphics dithering"),
+			_s("Graphics dithering"),
+			"GraphicsDithering",
+			true
+		}
+	},*/
+
+	AD_EXTRA_GUI_OPTIONS_TERMINATOR
+};
+
 class MADSMetaEngine : public AdvancedMetaEngine {
 public:
-	MADSMetaEngine() : AdvancedMetaEngine(MADS::gameDescriptions, sizeof(MADS::MADSGameDescription), MADSGames) {
+	MADSMetaEngine() : AdvancedMetaEngine(MADS::gameDescriptions, sizeof(MADS::MADSGameDescription), MADSGames, optionsList) {
 		_maxScanDepth = 3;
 	}
 
diff --git a/engines/mads/detection_tables.h b/engines/mads/detection_tables.h
index e68ae380d0..56df09577c 100644
--- a/engines/mads/detection_tables.h
+++ b/engines/mads/detection_tables.h
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
@@ -37,7 +37,7 @@ static const MADSGameDescription gameDescriptions[] = {
 			Common::EN_ANY,
 			Common::kPlatformDOS,
 			ADGF_NO_FLAGS,
-			GUIO1(GUIO_NONE)
+			GUIO5(GUIO_NOSPEECH, GAMEOPTION_EASY_MOUSE, GAMEOPTION_ANIMATED_INVENTORY, GAMEOPTION_ANIMATED_INTERFACE, GAMEOPTION_NAUGHTY_MODE)
 		},
 		GType_RexNebular,
 		0
@@ -55,8 +55,8 @@ static const MADSGameDescription gameDescriptions[] = {
 			},
 			Common::EN_ANY,
 			Common::kPlatformDOS,
-			ADGF_NO_FLAGS,
-			GUIO1(GUIO_NONE)
+			ADGF_TESTING,
+			GUIO5(GUIO_NOSPEECH, GAMEOPTION_EASY_MOUSE, GAMEOPTION_ANIMATED_INVENTORY, GAMEOPTION_ANIMATED_INTERFACE, GAMEOPTION_NAUGHTY_MODE)
 		},
 		GType_RexNebular,
 		0
@@ -73,8 +73,8 @@ static const MADSGameDescription gameDescriptions[] = {
 			},
 			Common::EN_ANY,
 			Common::kPlatformDOS,
-			ADGF_NO_FLAGS,
-			GUIO1(GUIO_NONE)
+			ADGF_TESTING,
+			GUIO5(GUIO_NOSPEECH, GAMEOPTION_EASY_MOUSE, GAMEOPTION_ANIMATED_INVENTORY, GAMEOPTION_ANIMATED_INTERFACE, GAMEOPTION_NAUGHTY_MODE)
 		},
 		GType_RexNebular,
 		0
@@ -92,7 +92,7 @@ static const MADSGameDescription gameDescriptions[] = {
 			Common::EN_ANY,
 			Common::kPlatformDOS,
 			ADGF_NO_FLAGS,
-			GUIO1(GUIO_NONE)
+			GUIO1(GAMEOPTION_EASY_MOUSE)
 		},
 		GType_Phantom,
 		0
@@ -110,7 +110,7 @@ static const MADSGameDescription gameDescriptions[] = {
 			Common::EN_ANY,
 			Common::kPlatformDOS,
 			ADGF_NO_FLAGS,
-			GUIO1(GUIO_NONE)
+			GUIO1(GAMEOPTION_EASY_MOUSE)
 		},
 		GType_Dragonsphere,
 		0
diff --git a/engines/mads/dialogs.cpp b/engines/mads/dialogs.cpp
index 5ea8fb115c..d9b27ce926 100644
--- a/engines/mads/dialogs.cpp
+++ b/engines/mads/dialogs.cpp
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
@@ -43,6 +43,7 @@ Dialog::Dialog(MADSEngine *vm)
 }
 
 Dialog::~Dialog() {
+	delete _savedSurface;
 }
 
 void Dialog::save() {
@@ -430,6 +431,7 @@ void FullScreenDialog::display() {
 	if (_screenId > 0) {
 		SceneInfo *sceneInfo = SceneInfo::init(_vm);
 		sceneInfo->load(_screenId, 0, "", 0, scene._depthSurface, scene._backgroundSurface);
+		delete sceneInfo;
 	}
 
 	scene._priorSceneId = priorSceneId;
@@ -449,7 +451,7 @@ void FullScreenDialog::display() {
 	}
 
 	// Set Fx state and palette entries
-	game._fx = _vm->_screenFade == SCREEN_FADE_SMOOTH ? kTransitionFadeIn : kCenterVertTransition;
+	game._fx = _vm->_screenFade == SCREEN_FADE_SMOOTH ? kTransitionFadeIn : kNullPaletteCopy;
 	game._trigger = 0;
 
 	// Clear the screen and draw the upper and lower horizontal lines
@@ -457,6 +459,7 @@ void FullScreenDialog::display() {
 	_vm->_palette->setLowRange();
 	_vm->_screen.hLine(0, 20, MADS_SCREEN_WIDTH, 2);
 	_vm->_screen.hLine(0, 179, MADS_SCREEN_WIDTH, 2);
+	_vm->_screen.resetClipBounds();
 	_vm->_screen.copyRectToScreen(Common::Rect(0, 0, MADS_SCREEN_WIDTH, MADS_SCREEN_HEIGHT));
 
 	// Restrict the screen to the area between the two lines
diff --git a/engines/mads/dialogs.h b/engines/mads/dialogs.h
index 317c7bd792..efd2871d89 100644
--- a/engines/mads/dialogs.h
+++ b/engines/mads/dialogs.h
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
diff --git a/engines/mads/dragonsphere/dragonsphere_scenes.cpp b/engines/mads/dragonsphere/dragonsphere_scenes.cpp
index dbf1759d4b..6f5a28bff9 100644
--- a/engines/mads/dragonsphere/dragonsphere_scenes.cpp
+++ b/engines/mads/dragonsphere/dragonsphere_scenes.cpp
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
diff --git a/engines/mads/dragonsphere/dragonsphere_scenes.h b/engines/mads/dragonsphere/dragonsphere_scenes.h
index a6c778eca7..173cc667ce 100644
--- a/engines/mads/dragonsphere/dragonsphere_scenes.h
+++ b/engines/mads/dragonsphere/dragonsphere_scenes.h
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
diff --git a/engines/mads/dragonsphere/game_dragonsphere.cpp b/engines/mads/dragonsphere/game_dragonsphere.cpp
index 3836adb6d2..b07eab9daa 100644
--- a/engines/mads/dragonsphere/game_dragonsphere.cpp
+++ b/engines/mads/dragonsphere/game_dragonsphere.cpp
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
diff --git a/engines/mads/dragonsphere/game_dragonsphere.h b/engines/mads/dragonsphere/game_dragonsphere.h
index 7869dc87b4..b57f8833c6 100644
--- a/engines/mads/dragonsphere/game_dragonsphere.h
+++ b/engines/mads/dragonsphere/game_dragonsphere.h
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
diff --git a/engines/mads/events.cpp b/engines/mads/events.cpp
index de4dc3c070..7ba9098935 100644
--- a/engines/mads/events.cpp
+++ b/engines/mads/events.cpp
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
@@ -41,10 +41,9 @@ EventsManager::EventsManager(MADSEngine *vm) {
 	_mouseReleased = false;
 	_mouseButtons = 0;
 	_mouseStatus = 0;
-	_vD2 = 0;
+	_strokeGoing = 0;
 	_mouseStatusCopy = 0;
 	_mouseMoved = false;
-	_vD8 = 0;
 	_rightMousePressed = false;
 	_eventTarget = nullptr;
 }
@@ -85,8 +84,8 @@ void EventsManager::waitCursor() {
 	CursorType cursorId = (CursorType)MIN(_cursorSprites->getCount(), (int)CURSOR_WAIT);
 	_newCursorId = cursorId;
 	if (_cursorId != _newCursorId) {
-		changeCursor();
 		_cursorId = _newCursorId;
+		changeCursor();
 	}
 }
 
@@ -158,11 +157,17 @@ void EventsManager::pollEvents() {
 				_vm->_debugger->attach();
 				_vm->_debugger->onFrame();
 			} else {
-				_pendingKeys.push(event);
+				_pendingKeys.push(event.kbd);
 			}
 			return;
 		case Common::EVENT_KEYUP:
 			return;
+		case Common::EVENT_WHEELUP:
+			_pendingKeys.push(Common::KeyState(Common::KEYCODE_PAGEUP));
+			return;
+		case Common::EVENT_WHEELDOWN:
+			_pendingKeys.push(Common::KeyState(Common::KEYCODE_PAGEDOWN));
+			return;
 		case Common::EVENT_LBUTTONDOWN:
 		case Common::EVENT_RBUTTONDOWN:
 			_mouseClicked = true;
@@ -261,7 +266,7 @@ void EventsManager::waitForNextFrame() {
 void EventsManager::initVars() {
 	_mousePos = Common::Point(-1, -1);
 	_mouseStatusCopy = _mouseStatus;
-	_vD2 = _vD8 = 0;
+	_strokeGoing = 0;
 }
 
 } // End of namespace MADS
diff --git a/engines/mads/events.h b/engines/mads/events.h
index 54df337efd..1a2579cae0 100644
--- a/engines/mads/events.h
+++ b/engines/mads/events.h
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
@@ -67,11 +67,10 @@ public:
 	byte _mouseButtons;
 	bool _rightMousePressed;
 	int _mouseStatus;
-	int _vD2;
+	int _strokeGoing;
 	int _mouseStatusCopy;
 	bool _mouseMoved;
-	int _vD8;
-	Common::Stack<Common::Event> _pendingKeys;
+	Common::Stack<Common::KeyState> _pendingKeys;
 public:
 	/**
 	 * Constructor
@@ -169,6 +168,8 @@ public:
 	 * Returns true if there's any pending keys to be processed
 	 */
 	bool isKeyPressed() const { return !_pendingKeys.empty(); }
+
+	Common::KeyState getKey() { return _pendingKeys.pop(); }
 };
 
 } // End of namespace MADS
diff --git a/engines/mads/font.cpp b/engines/mads/font.cpp
index f7c1c52703..3e6d23fe6f 100644
--- a/engines/mads/font.cpp
+++ b/engines/mads/font.cpp
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
diff --git a/engines/mads/font.h b/engines/mads/font.h
index 47df647637..486cadcfff 100644
--- a/engines/mads/font.h
+++ b/engines/mads/font.h
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
diff --git a/engines/mads/game.cpp b/engines/mads/game.cpp
index b544eff2db..91f6cd5630 100644
--- a/engines/mads/game.cpp
+++ b/engines/mads/game.cpp
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
@@ -100,13 +100,12 @@ Game::~Game() {
 	}
 
 	delete _saveFile;
+	_surface->free();
 	delete _surface;
 	delete _sectionHandler;
 }
 
 void Game::run() {
-	initializeGlobals();
-
 	// If requested, load a savegame instead of showing the intro
 	if (ConfMan.hasKey("save_slot")) {
 		int saveSlot = ConfMan.getInt("save_slot");
@@ -116,15 +115,17 @@ void Game::run() {
 
 	_statusFlag = true;
 
-	if (_loadGameSlot == -1) {
-		startGame();
-	}
+	while (!_vm->shouldQuit()) {
+		if (_loadGameSlot == -1) {
+			startGame();
+		}
 
-	// Get the initial starting time for the first scene
-	_scene._frameStartTime = _vm->_events->getFrameCounter();
+		// Get the initial starting time for the first scene
+		_scene._frameStartTime = _vm->_events->getFrameCounter();
 
-	if (!_vm->shouldQuit())
-		gameLoop();
+		if (!_vm->shouldQuit())
+			gameLoop();
+	}
 }
 
 void Game::splitQuote(const Common::String &source, Common::String &line1, Common::String &line2) {
@@ -140,7 +141,7 @@ void Game::splitQuote(const Common::String &source, Common::String &line1, Commo
 }
 
 void Game::gameLoop() {
-	while (!_vm->shouldQuit() && _statusFlag) {
+	while (!_vm->shouldQuit() && _statusFlag && !_winStatus) {
 		if (_loadGameSlot != -1) {
 			loadGame(_loadGameSlot);
 			_loadGameSlot = -1;
@@ -158,7 +159,7 @@ void Game::gameLoop() {
 			sectionLoop();
 
 		_player.releasePlayerSprites();
-		assert(_scene._sprites._assetCount == 0);
+		assert(_scene._sprites.size() == 0);
 
 		_vm->_palette->unlock();
 		_vm->_events->waitCursor();
@@ -168,7 +169,8 @@ void Game::gameLoop() {
 }
 
 void Game::sectionLoop() {
-	while (!_vm->shouldQuit() && _statusFlag && (_sectionNumber == _currentSectionNumber)) {
+	while (!_vm->shouldQuit() && _statusFlag && !_winStatus &&
+			(_sectionNumber == _currentSectionNumber)) {
 		_kernelMode = KERNEL_ROOM_PRELOAD;
 		_player._spritesChanged = true;
 		_quoteEmergency = false;
@@ -240,7 +242,7 @@ void Game::sectionLoop() {
 			_fx = kTransitionFadeOutIn;
 			break;
 		case SCREEN_FADE_FAST:
-			_fx = kCenterVertTransition;
+			_fx = kNullPaletteCopy;
 			break;
 		default:
 			_fx = kTransitionNone;
@@ -324,7 +326,7 @@ void Game::initSection(int sectionNumber) {
 	_vm->_palette->resetGamePalette(18, 10);
 	_vm->_palette->setLowRange();
 
-	if (_scene._layer == LAYER_GUI)
+	if (_scene._mode == SCREENMODE_VGA)
 		_vm->_palette->setPalette(_vm->_palette->_mainPalette, 0, 4);
 
 	_vm->_events->loadCursors("*CURSOR.SS");
@@ -403,12 +405,12 @@ Common::StringArray Game::getMessage(uint32 id) {
 
 static const char *const DEBUG_STRING = "WIDEPIPE";
 
-void Game::handleKeypress(const Common::Event &event) {
-	if (event.kbd.flags & Common::KBD_CTRL) {
+void Game::handleKeypress(const Common::KeyState &kbd) {
+	if (kbd.flags & Common::KBD_CTRL) {
 		if (_widepipeCtr == 8) {
 			// Implement original game cheating keys here someday
 		} else {
-			if (event.kbd.keycode == (Common::KEYCODE_a +
+			if (kbd.keycode == (Common::KEYCODE_a +
 					(DEBUG_STRING[_widepipeCtr] - 'a'))) {
 				if (++_widepipeCtr == 8) {
 					MessageDialog *dlg = new MessageDialog(_vm, 2,
@@ -420,7 +422,8 @@ void Game::handleKeypress(const Common::Event &event) {
 		}
 	}
 
-	switch (event.kbd.keycode) {
+	Scene &scene = _vm->_game->_scene;
+	switch (kbd.keycode) {
 	case Common::KEYCODE_F1:
 		_vm->_dialogs->_pendingDialog = DIALOG_GAME_MENU;
 		break;
@@ -430,11 +433,19 @@ void Game::handleKeypress(const Common::Event &event) {
 	case Common::KEYCODE_F7:
 		_vm->_dialogs->_pendingDialog = DIALOG_RESTORE;
 		break;
+	case Common::KEYCODE_PAGEUP:
+		scene._userInterface._scrollbarStrokeType = SCROLLBAR_UP;
+		scene._userInterface.changeScrollBar();
+		break;
+	case Common::KEYCODE_PAGEDOWN:
+		scene._userInterface._scrollbarStrokeType = SCROLLBAR_DOWN;
+		scene._userInterface.changeScrollBar();
+		break;
+
+
 	default:
 		break;
 	}
-
-	warning("TODO: handleKeypress - %d", (int)event.kbd.keycode);
 }
 
 void Game::synchronize(Common::Serializer &s, bool phase1) {
@@ -558,7 +569,7 @@ void Game::writeSavegameHeader(Common::OutSaveFile *out, MADSSavegameHeader &hea
 	if (!_saveThumb)
 		createThumbnail();
 	Graphics::saveThumbnail(*out, *_saveThumb);
-	
+
 	_saveThumb->free();
 	delete _saveThumb;
 	_saveThumb = nullptr;
diff --git a/engines/mads/game.h b/engines/mads/game.h
index 1a61fc8ac8..95b54b0d1a 100644
--- a/engines/mads/game.h
+++ b/engines/mads/game.h
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
@@ -195,6 +195,9 @@ public:
 	 */
 	virtual void synchronize(Common::Serializer &s, bool phase1);
 
+	virtual void setNaughtyMode(bool naughtyMode) {}
+	virtual bool getNaughtyMode() const { return true; }
+
 	// DEPRECATED: ScummVM re-implementation keeps all the quotes loaded, so the methods below are stubs
 	void clearQuotes() {}
 	void loadQuoteRange(int startNum, int endNum) {}
@@ -204,7 +207,7 @@ public:
 	/**
 	* Handle a keyboard event
 	*/
-	void handleKeypress(const Common::Event &event);
+	void handleKeypress(const Common::KeyState &kbd);
 
 	/**
 	 * Starts a savegame loading.
diff --git a/engines/mads/game_data.cpp b/engines/mads/game_data.cpp
index 70e9e6c30b..6421d057e8 100644
--- a/engines/mads/game_data.cpp
+++ b/engines/mads/game_data.cpp
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
diff --git a/engines/mads/game_data.h b/engines/mads/game_data.h
index 65a9ae1553..e9bf45d8a5 100644
--- a/engines/mads/game_data.h
+++ b/engines/mads/game_data.h
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
diff --git a/engines/mads/globals.cpp b/engines/mads/globals.cpp
index 1d088992ea..e4a681d551 100644
--- a/engines/mads/globals.cpp
+++ b/engines/mads/globals.cpp
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
diff --git a/engines/mads/globals.h b/engines/mads/globals.h
index a6c9b628dd..27553a2b06 100644
--- a/engines/mads/globals.h
+++ b/engines/mads/globals.h
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
diff --git a/engines/mads/hotspots.cpp b/engines/mads/hotspots.cpp
index d75d7ae13e..bd28645504 100644
--- a/engines/mads/hotspots.cpp
+++ b/engines/mads/hotspots.cpp
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
@@ -137,7 +137,7 @@ void DynamicHotspots::refresh() {
 			switch (scrObjects._inputMode) {
 			case kInputBuildingSentences:
 			case kInputLimitedSentences:
-				scrObjects.add(dh._bounds, _vm->_game->_scene._layer, CAT_12, dh._descId);
+				scrObjects.add(dh._bounds, _vm->_game->_scene._mode, CAT_12, dh._descId);
 				scrObjects._forceRescan = true;
 				break;
 			default:
diff --git a/engines/mads/hotspots.h b/engines/mads/hotspots.h
index f9334eace8..902275bb21 100644
--- a/engines/mads/hotspots.h
+++ b/engines/mads/hotspots.h
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
diff --git a/engines/mads/inventory.cpp b/engines/mads/inventory.cpp
index ca05575ec5..fe1d24baea 100644
--- a/engines/mads/inventory.cpp
+++ b/engines/mads/inventory.cpp
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
diff --git a/engines/mads/inventory.h b/engines/mads/inventory.h
index cf82de59f1..2897f950e4 100644
--- a/engines/mads/inventory.h
+++ b/engines/mads/inventory.h
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
diff --git a/engines/mads/mads.cpp b/engines/mads/mads.cpp
index 52a0b40561..8c7b6b1ce3 100644
--- a/engines/mads/mads.cpp
+++ b/engines/mads/mads.cpp
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
@@ -38,12 +38,13 @@ namespace MADS {
 MADSEngine::MADSEngine(OSystem *syst, const MADSGameDescription *gameDesc) :
 		_gameDescription(gameDesc), Engine(syst), _randomSource("MADS") {
 
-	// Initialize fields
+	// Initialize game/engine options
 	_easyMouse = true;
 	_invObjectsAnimated = true;
 	_textWindowStill = false;
 	_screenFade = SCREEN_FADE_SMOOTH;
 	_musicFlag = true;
+	_soundFlag = true;
 	_dithering = false;
 
 	_debugger = nullptr;
@@ -95,9 +96,63 @@ void MADSEngine::initialize() {
 	_audio = new AudioPlayer(_mixer, getGameID());
 	_game = Game::init(this);
 
+	loadOptions();
+
 	_screen.empty();
 }
 
+void MADSEngine::loadOptions() {
+	if (ConfMan.hasKey("EasyMouse"))
+		_easyMouse = ConfMan.getBool("EasyMouse");
+
+	if (ConfMan.hasKey("mute") && ConfMan.getBool("mute")) {
+		_soundFlag = false;
+		_musicFlag = false;
+	} else {
+		_soundFlag = !ConfMan.hasKey("sfx_mute") || !ConfMan.getBool("sfx_mute");
+		_musicFlag = !ConfMan.hasGameDomain("music_mute") || !ConfMan.getBool("music_mute");
+	}
+
+	if (ConfMan.hasKey("ScreenFade"))
+		_screenFade = (ScreenFade)ConfMan.getInt("ScreenFade");
+	//if (ConfMan.hasKey("GraphicsDithering"))
+	//	_dithering = ConfMan.getBool("GraphicsDithering");
+
+	if (getGameID() == GType_RexNebular) {
+		if (ConfMan.hasKey("InvObjectsAnimated"))
+			_invObjectsAnimated = ConfMan.getBool("InvObjectsAnimated");
+		if (ConfMan.hasKey("TextWindowStill"))
+			_textWindowStill = !ConfMan.getBool("TextWindowAnimated");
+		if (ConfMan.hasKey("NaughtyMode"))
+			_game->setNaughtyMode(ConfMan.getBool("NaughtyMode"));
+	}
+
+	// Note: MADS is weird in that sfx and music are handled by the same driver,
+	// and the game scripts themselves check for music being enabled before playing
+	// a "music" sound. Which means we can independantly mute music in ScummVM, but
+	// otherwise all sound, music and sfx, is controlled by the SFX volume slider.
+	int soundVolume = MIN(255, ConfMan.getInt("sfx_volume"));
+	_sound->setVolume(soundVolume);
+}
+
+void MADSEngine::saveOptions() {
+	ConfMan.setBool("EasyMouse", _easyMouse);
+	ConfMan.setInt("ScreenFade", (int)_screenFade);
+	//ConfMan.setBool("GraphicsDithering", _dithering);
+
+	ConfMan.setBool("mute", !_soundFlag && !_musicFlag);
+	ConfMan.setBool("sfx_mute", !_soundFlag && _musicFlag);
+	ConfMan.setBool("music_mute", _soundFlag && !_musicFlag);
+
+	if (getGameID() == GType_RexNebular) {
+		ConfMan.setBool("InvObjectsAnimated", _invObjectsAnimated);
+		ConfMan.setBool("TextWindowAnimated", !_textWindowStill);
+		ConfMan.setBool("NaughtyMode", _game->getNaughtyMode());
+	}
+
+	ConfMan.flushToDisk();
+}
+
 Common::Error MADSEngine::run() {
 	initGraphics(MADS_SCREEN_WIDTH, MADS_SCREEN_HEIGHT, false);
 	initialize();
@@ -134,6 +189,12 @@ bool MADSEngine::canSaveGameStateCurrently() {
 		&& _events->_cursorId != CURSOR_WAIT;
 }
 
+void MADSEngine::syncSoundSettings() {
+	Engine::syncSoundSettings();
+
+	loadOptions();
+}
+
 /**
 * Support method that generates a savegame name
 * @param slot		Slot number
diff --git a/engines/mads/mads.h b/engines/mads/mads.h
index 9a8f2152a1..901035320a 100644
--- a/engines/mads/mads.h
+++ b/engines/mads/mads.h
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
@@ -84,6 +84,8 @@ private:
 	 * Handles basic initialisation
 	 */
 	void initialize();
+
+	void loadOptions();
 protected:
 	// Engine APIs
 	virtual Common::Error run();
@@ -104,6 +106,7 @@ public:
 	bool _textWindowStill;
 	ScreenFade _screenFade;
 	bool _musicFlag;
+	bool _soundFlag;
 	bool _dithering;
 public:
 	MADSEngine(OSystem *syst, const MADSGameDescription *gameDesc);
@@ -145,6 +148,13 @@ public:
 	 * Handles saving the game via the GMM
 	 */
 	virtual Common::Error saveGameState(int slot, const Common::String &desc);
+
+	/**
+	 * Handles updating sound settings after they're changed in the GMM dialog
+	 */
+	virtual void syncSoundSettings();
+
+	void saveOptions();
 };
 
 } // End of namespace MADS
diff --git a/engines/mads/menu_views.cpp b/engines/mads/menu_views.cpp
index 6acf6cdf9f..10d5a2179a 100644
--- a/engines/mads/menu_views.cpp
+++ b/engines/mads/menu_views.cpp
@@ -1,24 +1,24 @@
 /* ScummVM - Graphic Adventure Engine
- *
- * ScummVM is the legal property of its developers, whose names
- * are too numerous to list here. Please refer to the COPYRIGHT
- * file distributed with this source distribution.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
-
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
-
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- *
- */
+*
+* ScummVM is the legal property of its developers, whose names
+* are too numerous to list here. Please refer to the COPYRIGHT
+* file distributed with this source distribution.
+*
+* This program is free software; you can redistribute it and/or
+* modify it under the terms of the GNU General Public License
+* as published by the Free Software Foundation; either version 2
+* of the License, or (at your option) any later version.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program; if not, write to the Free Software
+* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+*
+*/
 
 #include "common/scummsys.h"
 #include "mads/game.h"
@@ -37,7 +37,7 @@ MenuView::MenuView(MADSEngine *vm) : FullScreenDialog(vm) {
 }
 
 void MenuView::show() {
- 	Scene &scene = _vm->_game->_scene;	
+ 	Scene &scene = _vm->_game->_scene;
 	EventsManager &events = *_vm->_events;
 	_vm->_screenFade = SCREEN_FADE_FAST;
 
@@ -80,6 +80,15 @@ bool MenuView::onEvent(Common::Event &event) {
 	return false;
 }
 
+Common::String MenuView::getResourceName() {
+	Common::String s(_filename);
+	s.toLowercase();
+	while (s.contains('.'))
+		s.deleteLastChar();
+
+	return s;
+}
+
 /*------------------------------------------------------------------------*/
 
 char TextView::_resourceName[100];
@@ -112,12 +121,17 @@ TextView::TextView(MADSEngine *vm) : MenuView(vm) {
 }
 
 TextView::~TextView() {
+	// Turn off palette cycling as well as any playing sound
+	Scene &scene = _vm->_game->_scene;
+	scene._cyclingActive = false;
+	_vm->_sound->stop();
 }
 
 void TextView::load() {
 	Common::String scriptName(_resourceName);
 	scriptName += ".txr";
 
+	_filename = scriptName;
 	if (!_script.open(scriptName))
 		error("Could not open resource %s", _resourceName);
 
@@ -181,7 +195,7 @@ void TextView::processCommand() {
 		paramP = commandStr + 10;
 		resetPalette();
 		int screenId = getParameter(&paramP);
-		
+
 		SceneInfo *sceneInfo = SceneInfo::init(_vm);
 		sceneInfo->load(screenId, 0, "", 0, scene._depthSurface, scene._backgroundSurface);
 		scene._spriteSlots.fullRefresh();
@@ -216,7 +230,7 @@ void TextView::processCommand() {
 		int soundId = getParameter(&paramP);
 		_vm->_sound->command(soundId);
 
-	} else if (!strncmp(commandStr, "COLOR", 5) && ((commandStr[5] == '0') || 
+	} else if (!strncmp(commandStr, "COLOR", 5) && ((commandStr[5] == '0') ||
 			(commandStr[5] == '1'))) {
 		// Set the text colors
 		int index = commandStr[5] - '0';
@@ -240,7 +254,8 @@ void TextView::processCommand() {
 		sceneInfo->_width = MADS_SCREEN_WIDTH;
 		sceneInfo->_height = MADS_SCENE_HEIGHT;
 		_spareScreens[spareIndex].setSize(MADS_SCREEN_WIDTH, MADS_SCENE_HEIGHT);
-		sceneInfo->loadMadsV1Background(screenId, "", SCENEFLAG_TRANSLATE, 
+
+		sceneInfo->loadMadsV1Background(screenId, "", SCENEFLAG_TRANSLATE,
 			_spareScreens[spareIndex]);
 		delete sceneInfo;
 
@@ -395,7 +410,7 @@ void TextView::doFrame() {
 				Common::copy(srcP, srcP + MADS_SCREEN_WIDTH, destP);
 			}
 
-			Common::copy(linesTemp, linesTemp + _pan.y * MADS_SCREEN_WIDTH, 
+			Common::copy(linesTemp, linesTemp + _pan.y * MADS_SCREEN_WIDTH,
 				(byte *)scene._backgroundSurface.getPixels());
 			delete[] linesTemp;
 		}
@@ -412,10 +427,10 @@ void TextView::doFrame() {
 			scene._textDisplay.expire(tl._textDisplayIndex);
 
 		tl._pos.y--;
-		if (tl._pos.y < 0) {
+		if (tl._pos.y + _font->getHeight() < 0) {
 			_textLines.remove_at(i);
 		} else {
-			tl._textDisplayIndex = scene._textDisplay.add(tl._pos.x, tl._pos.y, 
+			tl._textDisplayIndex = scene._textDisplay.add(tl._pos.x, tl._pos.y,
 				0x605, -1, tl._line, _font);
 		}
 	}
@@ -470,11 +485,19 @@ AnimationView::AnimationView(MADSEngine *vm) : MenuView(vm) {
 	_animFrameNumber = 0;
 	_nextCyclingActive = false;
 	_sceneInfo = SceneInfo::init(_vm);
+	_scrollFrameCtr = 0;
 
 	load();
 }
 
 AnimationView::~AnimationView() {
+	// Turn off palette cycling as well as any playing sound
+	Scene &scene = _vm->_game->_scene;
+	scene._cyclingActive = false;
+	_vm->_sound->stop();
+	_vm->_audio->stop();
+
+	// Delete data
 	delete _currentAnimation;
 	delete _sceneInfo;
 }
@@ -484,6 +507,7 @@ void AnimationView::load() {
 	if (!resName.hasSuffix("."))
 		resName += ".res";
 
+	_filename = resName;
 	if (!_script.open(resName))
 		error("Could not open resource %s", resName.c_str());
 
@@ -505,7 +529,7 @@ void AnimationView::display() {
 bool AnimationView::onEvent(Common::Event &event) {
 	// Wait for the Escape key or a mouse press
 	if (((event.type == Common::EVENT_KEYDOWN) && (event.kbd.keycode == Common::KEYCODE_ESCAPE)) ||
-			(event.type == Common::EVENT_RBUTTONUP)) {
+			(event.type == Common::EVENT_LBUTTONUP)) {
 		scriptDone();
 		return true;
 	}
@@ -515,22 +539,32 @@ bool AnimationView::onEvent(Common::Event &event) {
 
 void AnimationView::doFrame() {
 	Scene &scene = _vm->_game->_scene;
-	
+
 	if (_resourceIndex == -1 || _currentAnimation->freeFlag()) {
 		if (++_resourceIndex == (int)_resources.size()) {
 			scriptDone();
 		} else {
 			scene._frameStartTime = 0;
+			scene._spriteSlots.clear();
 			loadNextResource();
 		}
 	} else if (_currentAnimation->getCurrentFrame() == 1) {
 		scene._cyclingActive = _nextCyclingActive;
 	}
 
+	if (_currentAnimation && (++_scrollFrameCtr >= _currentAnimation->_header._scrollTicks)) {
+		_scrollFrameCtr = 0;
+		scroll();
+	}
+
 	if (_currentAnimation) {
 		++scene._frameStartTime;
 		_currentAnimation->update();
 		_redrawFlag = true;
+
+		if (_currentAnimation->freeFlag())
+			// We don't want the sprites removed after the last animation frame
+			scene._spriteSlots.clear();
 	}
 }
 
@@ -543,7 +577,7 @@ void AnimationView::loadNextResource() {
 	if (resEntry._bgFlag)
 		palette.resetGamePalette(1, 8);
 
-	palette._mainPalette[253 * 3] = palette._mainPalette[253 * 3 + 1] 
+	palette._mainPalette[253 * 3] = palette._mainPalette[253 * 3 + 1]
 		= palette._mainPalette[253 * 3 + 2] = 0xb4;
 	palette.setPalette(&palette._mainPalette[253 * 3], 253, 1);
 
@@ -565,7 +599,7 @@ void AnimationView::loadNextResource() {
 	delete _currentAnimation;
 	_currentAnimation = Animation::init(_vm, &scene);
 	int flags = ANIMFLAG_ANIMVIEW | (resEntry._bgFlag ? ANIMFLAG_LOAD_BACKGROUND : 0);
-	_currentAnimation->load(scene._backgroundSurface, scene._depthSurface, 
+	_currentAnimation->load(scene._backgroundSurface, scene._depthSurface,
 		resEntry._resourceName, flags, &paletteCycles, _sceneInfo);
 
 	// Signal for a screen refresh
@@ -614,6 +648,21 @@ void AnimationView::loadNextResource() {
 	scene.initPaletteAnimation(paletteCycles, _nextCyclingActive && !_vm->_game->_fx);
 }
 
+void AnimationView::scroll() {
+	Scene &scene = _vm->_game->_scene;
+	Common::Point pt = _currentAnimation->_header._scrollPosition;
+
+	if (pt.x != 0) {
+		scene._backgroundSurface.scrollX(pt.x);
+		scene._spriteSlots.fullRefresh();
+	}
+
+	if (pt.y != 0) {
+		scene._backgroundSurface.scrollY(pt.y);
+		scene._spriteSlots.fullRefresh();
+	}
+}
+
 void AnimationView::scriptDone() {
 	_breakFlag = true;
 	_vm->_dialogs->_pendingDialog = DIALOG_MAIN_MENU;
@@ -634,7 +683,11 @@ void AnimationView::processLines() {
 			if (c != '\r' && c != '\0')
 				_currentLine += c;
 		}
-		
+
+		// Check for comment line
+		if (_currentLine.hasPrefix("#"))
+			continue;
+
 		// Process the line
 		while (!_currentLine.empty()) {
 			if (_currentLine.hasPrefix("-")) {
@@ -650,7 +703,7 @@ void AnimationView::processLines() {
 				}
 
 				// Add resource into list along with any set state information
-				_resources.push_back(ResourceEntry(resName, _sfx, _soundFlag, 
+				_resources.push_back(ResourceEntry(resName, _sfx, _soundFlag,
 					_bgLoadFlag, _showWhiteBars));
 
 				// Fx resets between resource entries
@@ -731,7 +784,7 @@ int AnimationView::getParameter() {
 
 	while (!_currentLine.empty()) {
 		char c = _currentLine[0];
-		
+
 		if (c >= '0' && c <= '9') {
 			_currentLine.deleteChar(0);
 			result = result * 10 + (c - '0');
diff --git a/engines/mads/menu_views.h b/engines/mads/menu_views.h
index 6faa665bff..c203248ad9 100644
--- a/engines/mads/menu_views.h
+++ b/engines/mads/menu_views.h
@@ -8,12 +8,20 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
+<<<<<<< HEAD
 
+=======
+ *
+>>>>>>> master
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
+<<<<<<< HEAD
 
+=======
+ *
+>>>>>>> master
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
@@ -36,6 +44,7 @@ class MenuView: public FullScreenDialog {
 protected:
 	bool _breakFlag;
 	bool _redrawFlag;
+	Common::String _filename;
 
 	virtual void doFrame() = 0;
 
@@ -51,6 +60,8 @@ public:
 	virtual ~MenuView() {}
 
 	virtual void show();
+
+	Common::String getResourceName();
 };
 
 struct TextLine {
@@ -107,11 +118,6 @@ private:
 	int getParameter(const char **paramP);
 
 	/**
-	 * Called when the script is finished
-	 */
-	void scriptDone();
-
-	/**
 	 * Reset the game palette
 	 */
 	void resetPalette();
@@ -119,6 +125,11 @@ protected:
 	virtual void display();
 
 	virtual void doFrame();
+
+	/**
+	 * Called when the script is finished
+	 */
+	virtual void scriptDone();
 public:
 	/**
 	 * Queue the given text resource for display
@@ -193,6 +204,8 @@ private:
 
 	int scanResourceIndex(const Common::String &resourceName);
 
+	uint _scrollFrameCtr;
+private:
 	void load();
 
 	void processLines();
@@ -201,15 +214,17 @@ private:
 
 	int getParameter();
 
-	void scriptDone();
-
 	void loadNextResource();
+
+	void scroll();
 protected:
 	virtual void display();
 
 	virtual void doFrame();
 
 	virtual bool onEvent(Common::Event &event);
+
+	virtual void scriptDone();
 public:
 	/**
 	* Queue the given text resource for display
diff --git a/engines/mads/messages.cpp b/engines/mads/messages.cpp
index e83b69d210..d88806150d 100644
--- a/engines/mads/messages.cpp
+++ b/engines/mads/messages.cpp
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
@@ -69,7 +69,7 @@ void KernelMessages::clear() {
 }
 
 int KernelMessages::add(const Common::Point &pt, uint fontColor, uint8 flags,
-		uint8 abortTimers, uint32 timeout, const Common::String &msg) {
+		int endTrigger, uint32 timeout, const Common::String &msg) {
 	Scene &scene = _vm->_game->_scene;
 
 	// Find a free slot
@@ -77,7 +77,7 @@ int KernelMessages::add(const Common::Point &pt, uint fontColor, uint8 flags,
 	while ((idx < _entries.size()) && ((_entries[idx]._flags & KMSG_ACTIVE) != 0))
 		++idx;
 	if (idx == _entries.size()) {
-		if (abortTimers == 0)
+		if (endTrigger == 0)
 			return -1;
 
 		error("KernelMessages overflow");
@@ -91,8 +91,8 @@ int KernelMessages::add(const Common::Point &pt, uint fontColor, uint8 flags,
 	rec._position = pt;
 	rec._textDisplayIndex = -1;
 	rec._timeout = timeout;
-	rec._frameTimer = _vm->_game->_priorFrameTimer;
-	rec._trigger = abortTimers;
+	rec._frameTimer = scene._frameStartTime;
+	rec._trigger = endTrigger;
 	rec._abortMode = _vm->_game->_triggerSetupMode;
 
 	rec._actionDetails = scene._action._activeAction;
@@ -104,10 +104,10 @@ int KernelMessages::add(const Common::Point &pt, uint fontColor, uint8 flags,
 	return idx;
 }
 
-int KernelMessages::addQuote(int quoteId, int abortTimers, uint32 timeout) {
+int KernelMessages::addQuote(int quoteId, int endTrigger, uint32 timeout) {
 	Common::String quoteStr = _vm->_game->getQuote(quoteId);
 	return add(Common::Point(), 0x1110, KMSG_PLAYER_TIMEOUT | KMSG_CENTER_ALIGN,
-		abortTimers, timeout, quoteStr);
+		endTrigger, timeout, quoteStr);
 }
 
 void KernelMessages::scrollMessage(int msgIndex, int numTicks, bool quoted) {
@@ -162,8 +162,10 @@ void KernelMessages::update() {
 	uint32 currentTimer = _vm->_game->_scene._frameStartTime;
 
 	for (uint i = 0; i < _entries.size() && !_vm->_game->_trigger; ++i) {
-		KernelMessage &msg = _entries[i];
+		if (_vm->_game->_trigger)
+			break;
 
+		KernelMessage &msg = _entries[i];
 		if (((msg._flags & KMSG_ACTIVE) != 0) && (currentTimer >= msg._frameTimer))
 			processText(i);
 	}
@@ -172,7 +174,7 @@ void KernelMessages::update() {
 void KernelMessages::processText(int msgIndex) {
 	Scene &scene = _vm->_game->_scene;
 	KernelMessage &msg = _entries[msgIndex];
-	uint32 currentTimer = _vm->_game->_priorFrameTimer;
+	uint32 currentTimer = scene._frameStartTime;
 	bool flag = false;
 
 	if ((msg._flags & KMSG_EXPIRE) != 0) {
diff --git a/engines/mads/messages.h b/engines/mads/messages.h
index a7411d98d1..764477a7fc 100644
--- a/engines/mads/messages.h
+++ b/engines/mads/messages.h
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
@@ -99,9 +99,9 @@ public:
 	~KernelMessages();
 
 	void clear();
-	int add(const Common::Point &pt, uint fontColor, uint8 flags, uint8 abortTimers,
+	int add(const Common::Point &pt, uint fontColor, uint8 flags, int endTrigger,
 		uint32 timeout, const Common::String &msg);
-	int addQuote(int quoteId, int abortTimers, uint32 timeout);
+	int addQuote(int quoteId, int endTrigger, uint32 timeout);
 	void scrollMessage(int msgIndex, int numTicks, bool quoted);
 	void setSeqIndex(int msgIndex, int seqIndex);
 	void remove(int msgIndex);
diff --git a/engines/mads/msurface.cpp b/engines/mads/msurface.cpp
index 0cb4530a84..f768624278 100644
--- a/engines/mads/msurface.cpp
+++ b/engines/mads/msurface.cpp
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
@@ -87,7 +87,6 @@ void MSurface::drawSprite(const Common::Point &pt, SpriteInfo &info, const Commo
 	// rectangle is always 0, 0
 	assert(clipRect.top == 0 && clipRect.left == 0);
 
-	// TODO: Put err* and scaled* into SpriteInfo
 	int errX = info.hotX * info.scaleX % 100;
 	int errY = info.hotY * info.scaleY % 100;
 	int scaledWidth = scaleValue(info.width, info.scaleX, errX);
@@ -160,7 +159,6 @@ void MSurface::drawSprite(const Common::Point &pt, SpriteInfo &info, const Commo
 
 			if (status == kStatusDraw && clipY == 0) {
 				// Draw previously scaled line
-				// TODO Implement different drawing types (depth, shadow etc.)
 				byte *tempDst = dst;
 				for (int lineX = 0; lineX < scaledWidth; lineX++) {
 					byte pixel = scaledLineBuf[lineX];
@@ -186,8 +184,6 @@ void MSurface::drawSprite(const Common::Point &pt, SpriteInfo &info, const Commo
 				}
 				dst += pitch;
 				heightAmt--;
-				// TODO depth etc.
-				//depthAddress += Destination -> Width;
 
 				errY += 100;
 				if (errY >= 0)
@@ -312,6 +308,9 @@ void MSurface::copyFrom(MSurface *src, const Common::Point &destPos, int depth,
 		if (!copyRect.isValidRect())
 			return;
 
+		if (flipped)
+			copyRect.moveTo(0, copyRect.top);
+
 		byte *data = src->getData();
 		byte *srcPtr = data + (src->getWidth() * copyRect.top + copyRect.left);
 		byte *destPtr = (byte *)pixels + (destY * pitch) + destX;
@@ -401,14 +400,16 @@ void MSurface::copyFrom(MSurface *src, const Common::Point &destPos, int depth,
 		const byte *srcP = srcPixelsP;
 		byte *destP = destPixelsP;
 
-		for (int xp = 0, sprX = 0; xp < frameWidth; ++xp, ++srcP) {
-			if (xp < spriteLeft)
-				// Not yet reached start of display area
-				continue;
-			if (!lineDist[sprX++])
+		for (int xp = 0, sprX = -1; xp < frameWidth; ++xp, ++srcP) {
+			if (!lineDist[xp])
 				// Not a display pixel
 				continue;
 
+			++sprX;
+			if (sprX < spriteLeft || sprX >= spriteRight)
+				// Skip pixel if it's not in horizontal display portion
+				continue;
+
 			// Get depth of current output pixel in depth surface
 			Common::Point pt((destP - (byte *)this->pixels) % this->pitch,
 				(destP - (byte *)this->pixels) / this->pitch);
@@ -489,7 +490,6 @@ void MSurface::scrollY(int yAmount) {
 	delete[] tempData;
 }
 
-
 void MSurface::translate(Common::Array<RGB6> &palette) {
 	for (int y = 0; y < this->h; ++y) {
 		byte *pDest = getBasePtr(0, y);
@@ -525,6 +525,20 @@ MSurface *MSurface::flipHorizontal() const {
 	return dest;
 }
 
+void MSurface::copyRectTranslate(MSurface &srcSurface, const byte *paletteMap,
+		const Common::Point &destPos, const Common::Rect &srcRect) {
+	// Loop through the lines
+	for (int yCtr = 0; yCtr < srcRect.height(); ++yCtr) {
+		const byte *srcP = srcSurface.getBasePtr(srcRect.left, srcRect.top + yCtr);
+		byte *destP = getBasePtr(destPos.x, destPos.y + yCtr);
+
+		// Copy the line over
+		for (int xCtr = 0; xCtr < srcRect.width(); ++xCtr, ++srcP, ++destP) {
+			*destP = paletteMap[*srcP];
+		}
+	}
+}
+
 /*------------------------------------------------------------------------*/
 
 int DepthSurface::getDepth(const Common::Point &pt) {
diff --git a/engines/mads/msurface.h b/engines/mads/msurface.h
index ebfb1f437a..80891afb83 100644
--- a/engines/mads/msurface.h
+++ b/engines/mads/msurface.h
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
@@ -220,11 +220,16 @@ public:
 	 * Create a new surface which is a flipped horizontal copy of the current one
 	 */
 	MSurface *flipHorizontal() const;
+
+	/**
+	 * Copy an area from one surface to another, translating it using a palette
+	 * map as it's done
+	 */
+	void copyRectTranslate(MSurface &srcSurface, const byte *paletteMap,
+		const Common::Point &destPos, const Common::Rect &srcRect);
 };
 
 class DepthSurface : public MSurface {
-private:
-	MADSEngine *_vm;
 public:
 	/**
 	 * Depth style
@@ -234,7 +239,7 @@ public:
 	/**
 	 * Constructor
 	 */
-	DepthSurface(MADSEngine *vm) : _vm(vm), _depthStyle(0) {}
+	DepthSurface() : _depthStyle(0) {}
 
 	/**
 	 * Returns the depth at a given position
diff --git a/engines/mads/nebular/dialogs_nebular.cpp b/engines/mads/nebular/dialogs_nebular.cpp
index 86244bd3bb..960a2cc2f4 100644
--- a/engines/mads/nebular/dialogs_nebular.cpp
+++ b/engines/mads/nebular/dialogs_nebular.cpp
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
@@ -91,6 +91,8 @@ bool DialogsNebular::show(int messageId, int objectId) {
 							dialog->incNumLines();
 						}
 					} else if (commandCheck("ASK", valStr, commandText)) {
+						if (!dialog)
+							error("DialogsNebular::show - Uninitialized dialog");
 						dialog->addInput();
 					} else if (commandCheck("VERB", valStr, commandText)) {
 						dialogText += getVocab(action._activeAction._verbId);
@@ -114,12 +116,18 @@ bool DialogsNebular::show(int messageId, int objectId) {
 					} else if (commandCheck("WIDTH", valStr, commandText)) {
 						_dialogWidth = atoi(valStr.c_str());
 					} else if (commandCheck("BAR", valStr, commandText)) {
+						if (!dialog)
+							error("DialogsNebular::show - Uninitialized dialog");
 						dialog->addBarLine();
 					} else if (commandCheck("UNDER", valStr, commandText)) {
 						underlineFlag = true;
 					} else if (commandCheck("DOWN", valStr, commandText)) {
+						if (!dialog)
+							error("DialogsNebular::show - Uninitialized dialog");
 						dialog->downPixelLine();
 					} else if (commandCheck("TAB", valStr, commandText)) {
+						if (!dialog)
+							error("DialogsNebular::show - Uninitialized dialog");
 						int xp = atoi(valStr.c_str());
 						dialog->setLineXp(xp);
 					}
@@ -164,6 +172,9 @@ bool DialogsNebular::show(int messageId, int objectId) {
 	if (!centerFlag)
 		dialog->incNumLines();
 
+	if (!dialog)
+		error("DialogsNebular::show - Uninitialized dialog");
+
 	// Show the dialog
 	_vm->_events->setCursor(CURSOR_ARROW);
 	dialog->show();
@@ -314,13 +325,13 @@ void DialogsNebular::showDialog() {
 			break;
 		}
 		case DIALOG_TEXTVIEW: {
-			TextView *dlg = new TextView(_vm);
+			TextView *dlg = new RexTextView(_vm);
 			dlg->show();
 			delete dlg;
-			break;
+			return;
 		}
 		case DIALOG_ANIMVIEW: {
-			AnimationView *dlg = new AnimationView(_vm);
+			AnimationView *dlg = new RexAnimationView(_vm);
 			dlg->show();
 			delete dlg;
 			break;
@@ -333,7 +344,7 @@ void DialogsNebular::showDialog() {
 
 void DialogsNebular::showScummVMSaveDialog() {
 	Nebular::GameNebular &game = *(Nebular::GameNebular *)_vm->_game;
-	Scene *scene = &(game._scene);
+	Scene &scene = game._scene;
 	GUI::SaveLoadChooser *dialog = new GUI::SaveLoadChooser(_("Save game:"), _("Save"), true);
 
 	int slot = dialog->runModalWithCurrentTarget();
@@ -345,24 +356,31 @@ void DialogsNebular::showScummVMSaveDialog() {
 			desc = dialog->createDefaultSaveDescription(slot);
 		}
 
-		scene->_spriteSlots.reset();
-		scene->loadScene(scene->_currentSceneId, game._aaName, true);
-		scene->_userInterface.noInventoryAnim();
+		scene._spriteSlots.reset();
+		scene.loadScene(scene._currentSceneId, game._aaName, true);
+		scene._userInterface.noInventoryAnim();
 		game._scene.drawElements(kTransitionFadeIn, false);
 
 		game.saveGame(slot, desc);
 	}
+
+	// Flag for scene loading that we're returning from a dialog
+	scene._currentSceneId = RETURNING_FROM_DIALOG;
 }
 
 void DialogsNebular::showScummVMRestoreDialog() {
 	Nebular::GameNebular &game = *(Nebular::GameNebular *)_vm->_game;
 	GUI::SaveLoadChooser *dialog = new GUI::SaveLoadChooser(_("Restore game:"), _("Restore"), false);
+	Scene &scene = game._scene;
 
 	int slot = dialog->runModalWithCurrentTarget();
 	if (slot >= 0) {
 		game._loadGameSlot = slot;
-		game._scene._currentSceneId = -1;
+		game._scene._currentSceneId = RETURNING_FROM_LOADING;
 		game._currentSectionNumber = -1;
+	} else {
+		// Flag for scene loading that we're returning from a dialog
+		scene._currentSceneId = RETURNING_FROM_DIALOG;
 	}
 }
 
@@ -376,8 +394,7 @@ TextDialog(vm, FONT_INTERFACE, Common::Point(-1, -1), 32) {
 		addLine("ANSWER INCORRECT!", true);
 		wordWrap("\n");
 		addLine("(But we'll give you another chance!)");
-	}
-	else {
+	} else {
 		addLine("REX NEBULAR version 8.43", true);
 		wordWrap("\n");
 		addLine("(Copy Protection, for your convenience)");
@@ -400,7 +417,7 @@ TextDialog(vm, FONT_INTERFACE, Common::Point(-1, -1), 32) {
 		_hogEntry._pageNum, _hogEntry._lineNum, _hogEntry._wordNum);
 	wordWrap(line);
 
-	wordWrap("and type it on the line below (we',27h,'ve even given you");
+	wordWrap("and type it on the line below (we've even given you");
 	wordWrap("first letter as a hint).  As soon as you do that, we can get");
 	wordWrap("right into this really COOL adventure game!\n");
 	wordWrap("\n");
@@ -411,17 +428,58 @@ TextDialog(vm, FONT_INTERFACE, Common::Point(-1, -1), 32) {
 
 void CopyProtectionDialog::show() {
 	draw();
-	_vm->_events->showCursor();
 
-	// TODO: Replace with text input
-	while (!_vm->shouldQuit() && !_vm->_events->isKeyPressed() &&
-		!_vm->_events->_mouseClicked) {
-		_vm->_events->delay(1);
+	Common::KeyState curKey;
+	const Common::Rect inputArea(110, 165, 210, 175);
+	MSurface *origInput = new MSurface(inputArea.width(), inputArea.height());
+	_vm->_screen.frameRect(inputArea, TEXTDIALOG_BLACK);
+	_vm->_screen.copyTo(origInput, inputArea, Common::Point(0, 0));
+	_font->setColors(TEXTDIALOG_FE, TEXTDIALOG_FE, TEXTDIALOG_FE, TEXTDIALOG_FE);
+	_vm->_screen.copyRectToScreen(inputArea);
+	_vm->_screen.updateScreen();
+
+	bool firstTime = true;
+
+	while (!_vm->shouldQuit()) {
+		if (!firstTime) {
+			while (!_vm->shouldQuit() && !_vm->_events->isKeyPressed()) {
+				_vm->_events->delay(1);
+			}
+
+			if (_vm->shouldQuit())
+				break;
+
+			curKey = _vm->_events->getKey();
+
+			if (curKey.keycode == Common::KEYCODE_RETURN || curKey.keycode == Common::KEYCODE_KP_ENTER)
+				break;
+			else if (curKey.keycode == Common::KEYCODE_BACKSPACE)
+				_textInput.deleteLastChar();
+			else if (_textInput.size() < 14)
+				_textInput += curKey.ascii;
+
+			_vm->_events->_pendingKeys.clear();
+		} else {
+			firstTime = false;
+			_textInput = _hogEntry._word[0];
+		}
+
+		_vm->_screen.copyFrom(origInput, Common::Rect(0, 0, inputArea.width(), inputArea.height()), Common::Point(inputArea.left, inputArea.top));
+		_font->writeString(&_vm->_screen, _textInput,
+			Common::Point(inputArea.left + 2, inputArea.top + 1), 1);
+		_vm->_screen.copyRectToScreen(inputArea);
+		_vm->_screen.updateScreen();
 	}
 
-	_vm->_events->_pendingKeys.clear();
+	origInput->free();
+	delete origInput;
+}
+
+bool CopyProtectionDialog::isCorrectAnswer() {
+	return _hogEntry._word == _textInput;
 }
 
+
 bool CopyProtectionDialog::getHogAnusEntry(HOGANUS &entry) {
 	File f;
 	f.open("*HOGANUS.DAT");
@@ -535,6 +593,7 @@ void PictureDialog::save() {
 void PictureDialog::restore() {
 	if (_savedSurface) {
 		_savedSurface->copyTo(&_vm->_screen);
+		_savedSurface->free();
 		delete _savedSurface;
 		_savedSurface = nullptr;
 
@@ -594,14 +653,20 @@ GameDialog::GameDialog(MADSEngine *vm) : FullScreenDialog(vm) {
 	_vm->_events->waitCursor();
 	scene.clearVocab();
 	scene._dynamicHotspots.clear();
+	// Clear scene sprites and objects
+	scene._spriteSlots.reset();
+	_vm->_game->_screenObjects.clear();
 	_vm->_dialogs->_defaultPosition = Common::Point(-1, -1);
 	_menuSpritesIndex = 0;
 }
 
 void GameDialog::display() {
+	Palette &palette = *_vm->_palette;
+	palette.initPalette();
+	palette.resetGamePalette(18, 10);
+
 	FullScreenDialog::display();
 
-	Palette &palette = *_vm->_palette;
 	palette.setEntry(10, 0, 63, 0);
 	palette.setEntry(11, 0, 45, 0);
 	palette.setEntry(12, 63, 63, 0);
@@ -621,6 +686,7 @@ void GameDialog::display() {
 
 GameDialog::~GameDialog() {
 	_vm->_screen.resetClipBounds();
+	_vm->_game->_scene._currentSceneId = RETURNING_FROM_DIALOG;
 }
 
 void GameDialog::clearLines() {
@@ -640,14 +706,14 @@ void GameDialog::setClickableLines() {
 			int maxHeight = _lines[idx]._font->getHeight();
 
 			screenObjects.add(Common::Rect(pt.x, pt.y, pt.x + strWidth, pt.y + maxHeight - 1),
-				LAYER_GUI, CAT_COMMAND, idx);
+				SCREENMODE_VGA, CAT_COMMAND, idx);
 		}
 	}
 
 	if (_vm->_dialogs->_pendingDialog == DIALOG_SAVE ||
 			_vm->_dialogs->_pendingDialog == DIALOG_RESTORE) {
-		screenObjects.add(Common::Rect(293, 26, 312, 75), LAYER_GUI, CAT_INV_LIST, 50);
-		screenObjects.add(Common::Rect(293, 78, 312, 127), LAYER_GUI, CAT_INV_LIST, 51);
+		screenObjects.add(Common::Rect(293, 26, 312, 75), SCREENMODE_VGA, CAT_INV_LIST, 50);
+		screenObjects.add(Common::Rect(293, 78, 312, 127), SCREENMODE_VGA, CAT_INV_LIST, 51);
 	}
 }
 
@@ -791,7 +857,7 @@ void GameDialog::show() {
 
 	Scene &scene = _vm->_game->_scene;
 
-	while (_selectedLine < 1 && !_vm->shouldQuit()) {
+	while (_selectedLine == -1 && !_vm->shouldQuit()) {
 		handleEvents();
 		if (_redrawFlag) {
 			if (!_tempLine)
@@ -818,11 +884,21 @@ void GameDialog::handleEvents() {
 		_lines[i]._state = DLGSTATE_UNSELECTED;
 
 	// Process pending events
-	_vm->_events->pollEvents();
+	events.pollEvents();
+
+	if (events.isKeyPressed()) {
+		switch (events.getKey().keycode) {
+		case Common::KEYCODE_ESCAPE:
+			_selectedLine = 0;
+			break;
+		default:
+			break;
+		}
+	}
 
 	// Scan for objects in the dialog
 	Common::Point mousePos = events.currentPos() - Common::Point(0, DIALOG_TOP);
-	int objIndex = screenObjects.scan(mousePos, LAYER_GUI);
+	int objIndex = screenObjects.scan(mousePos, SCREENMODE_VGA);
 
 	if (_movedFlag) {
 		int yp = mousePos.y;
@@ -905,7 +981,7 @@ void GameDialog::refreshText() {
 			}
 
 			if (!skipFlag) {
-				_lines[i]._textDisplayIndex = scene._textDisplay.add(_lines[i]._pos.x, _lines[i]._pos.y, 
+				_lines[i]._textDisplayIndex = scene._textDisplay.add(_lines[i]._pos.x, _lines[i]._pos.y,
 					fontColor, _lines[i]._widthAdjust, _lines[i]._msg, _lines[i]._font);
 			}
 		}
@@ -997,12 +1073,13 @@ void GameMenuDialog::show() {
 		_vm->_dialogs->_pendingDialog = DIALOG_OPTIONS;
 		_vm->_dialogs->showDialog();
 		break;
+	case 5:
+		_vm->quitGame();
+		break;
 	case 4:
+	default:
 		// Resume game
 		break;
-	case 5:
-	default:
-		_vm->quitGame();
 	}
 }
 
@@ -1015,12 +1092,11 @@ OptionsDialog::OptionsDialog(MADSEngine *vm) : GameDialog(vm) {
 int OptionsDialog::getOptionQuote(int option) {
 	Nebular::GameNebular &game = *(Nebular::GameNebular *)_vm->_game;
 
-	// TODO: Hook the rest of the options to the current config
 	switch (option) {
 	case 17:	// Music
-		return 24;	// 24: ON, 25: OFF
+		return _vm->_musicFlag ? 24 : 25;	// 24: ON, 25: OFF
 	case 18:	// Sound
-		return 26;	// 26: ON, 27: OFF
+		return _vm->_soundFlag ? 26 : 27;	// 26: ON, 27: OFF
 	case 19:	// Interface
 		return !_vm->_easyMouse ? 28 : 29;	// 28: Standard, 29: Easy
 	case 20:	// Inventory
@@ -1061,16 +1137,25 @@ void OptionsDialog::display() {
 
 void OptionsDialog::show() {
 	Nebular::GameNebular &game = *(Nebular::GameNebular *)_vm->_game;
+
+	// Previous options, restored when cancel is selected
+	bool prevMusicFlag = _vm->_musicFlag;
+	bool prevEasyMouse = _vm->_easyMouse;
+	bool prevInvObjectsAnimated = _vm->_invObjectsAnimated;
+	bool prevTextWindowStill = _vm->_textWindowStill;
+	ScreenFade prevScreenFade = _vm->_screenFade;
+	StoryMode prevStoryMode = game._storyMode;
+
 	do {
-		_selectedLine = 0;
+		_selectedLine = -1;
 		GameDialog::show();
 
 		switch (_selectedLine) {
 		case 1:	// Music
-			warning("STUB: Music toggle");
+			_vm->_musicFlag = _vm->_soundFlag = !_vm->_musicFlag;
 			break;
 		case 2:	// Sound
-			warning("STUB: Sound toggle");
+			_vm->_musicFlag = _vm->_soundFlag = !_vm->_musicFlag;
 			break;
 		case 3:	// Interface
 			_vm->_easyMouse = !_vm->_easyMouse;
@@ -1099,19 +1184,22 @@ void OptionsDialog::show() {
 		// Reload menu
 		_lineIndex = -1;
 		clearLines();
+		_vm->_game->_screenObjects.clear();
+		_vm->_game->_scene._spriteSlots.reset();
 		setLines();
-		setClickableLines();
-	} while (_selectedLine <= 7);
-
-	switch (_selectedLine) {
-	case 8:	// Done
-		// TODO: Copy from temporary config
-		break;
-	case 9:	// Cancel
-		// TODO: Ignore all changes to temporary config
-		break;
-	default:
-		break;
+	} while (!_vm->shouldQuit() && _selectedLine != 0 && _selectedLine <= 7);
+
+	if (_selectedLine == 8) {
+		// OK button, save settings
+		_vm->saveOptions();
+	} else if (_selectedLine == 9) {
+		// Cancel button, revert all options from the saved ones
+		_vm->_musicFlag = _vm->_soundFlag = prevMusicFlag;
+		_vm->_easyMouse = prevEasyMouse;
+		_vm->_invObjectsAnimated = prevInvObjectsAnimated;
+		_vm->_textWindowStill = prevTextWindowStill;
+		_vm->_screenFade = prevScreenFade;
+		game._storyMode = prevStoryMode;
 	}
 }
 
diff --git a/engines/mads/nebular/dialogs_nebular.h b/engines/mads/nebular/dialogs_nebular.h
index d00cd87ead..4935ee4b8c 100644
--- a/engines/mads/nebular/dialogs_nebular.h
+++ b/engines/mads/nebular/dialogs_nebular.h
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
@@ -69,6 +69,7 @@ struct HOGANUS {
 class CopyProtectionDialog : public TextDialog {
 private:
 	HOGANUS _hogEntry;
+	Common::String _textInput;
 
 	/**
 	 * Get a random copy protection entry from the HOGANUS resource
@@ -84,6 +85,8 @@ public:
 	 * Show the dialog
 	 */
 	virtual void show();
+
+	bool isCorrectAnswer();
 };
 
 class PictureDialog : public TextDialog {
@@ -116,7 +119,7 @@ class GameDialog: public FullScreenDialog {
 		Common::String _msg;
 		Font *_font;
 		int _widthAdjust;
-		 
+
 		DialogLine();
 		DialogLine(const Common::String &s);
 	};
@@ -130,7 +133,7 @@ protected:
 	int _menuSpritesIndex;
 	int _lineIndex;
 	int _textLineCount;
-	
+
 	/**
 	 * Display the dialog
 	 */
diff --git a/engines/mads/nebular/game_nebular.cpp b/engines/mads/nebular/game_nebular.cpp
index 902f42507a..e8e0a4f42c 100644
--- a/engines/mads/nebular/game_nebular.cpp
+++ b/engines/mads/nebular/game_nebular.cpp
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
@@ -27,6 +27,7 @@
 #include "mads/game.h"
 #include "mads/screen.h"
 #include "mads/msurface.h"
+#include "mads/menu_views.h"
 #include "mads/nebular/game_nebular.h"
 #include "mads/nebular/dialogs_nebular.h"
 #include "mads/nebular/globals_nebular.h"
@@ -44,30 +45,86 @@ GameNebular::GameNebular(MADSEngine *vm)
 }
 
 ProtectionResult GameNebular::checkCopyProtection() {
-	/*
-	// DEBUG: Flag copy protection failure
-	_globals[kCopyProtectFailed] = -1;
+	//if (!ConfMan.getBool("copy_protection"))
+	//	return PROTECTION_SUCCEED;
 
-	if (!ConfMan.getBool("copy_protection"))
-	return true;
+	CopyProtectionDialog *dlg;
+	bool correctAnswer;
 
-	* DEBUG: Disabled for now
-	CopyProtectionDialog *dlg = new CopyProtectionDialog(_vm, false);
+	dlg = new CopyProtectionDialog(_vm, false);
 	dlg->show();
+	correctAnswer = dlg->isCorrectAnswer();
 	delete dlg;
-	*/
-	return PROTECTION_SUCCEED;
+
+	if (!correctAnswer && !_vm->shouldQuit()) {
+		dlg = new CopyProtectionDialog(_vm, true);
+		dlg->show();
+		correctAnswer = dlg->isCorrectAnswer();
+		delete dlg;
+	}
+
+	return correctAnswer ? PROTECTION_SUCCEED : PROTECTION_FAIL;
 }
 
 void GameNebular::startGame() {
-	/*
+	// First handle any ending credits from a just finished game session.
+	// Note that, with the exception of the decompression ending, which doesn't
+	// use animations, the remaining animations will automatically launch their
+	// own text view credits when the animation is completed
+	switch (_winStatus) {
+	case 1:
+		// No shields failure ending
+		AnimationView::execute(_vm, "rexend1");
+		break;
+	case 2:
+		// Shields, but no targetting failure ending
+		AnimationView::execute(_vm, "rexend2");
+		break;
+	case 3:
+		// Completed game successfully, so activate quotes item on the main menu
+		ConfMan.setBool("ShowQuotes", true);
+		ConfMan.flushToDisk();
+
+		AnimationView::execute(_vm, "rexend3");
+		break;
+	case 4:
+		// Decompression ending
+		TextView::execute(_vm, "ending4");
+		break;
+	}
+
+	do {
+		checkShowDialog();
+		_winStatus = 0;
+
+		_sectionNumber = 1;
+		initSection(_sectionNumber);
+		_vm->_events->setCursor(CURSOR_ARROW);
+		_statusFlag = true;
+
+		// Show the main menu
+		_vm->_dialogs->_pendingDialog = DIALOG_MAIN_MENU;
+		_vm->_dialogs->showDialog();
+	} while (!_vm->shouldQuit() && _vm->_dialogs->_pendingDialog != DIALOG_NONE);
+
+	if (_vm->shouldQuit())
+		return;
+
+	_priorSectionNumber = 0;
+	_priorSectionNumber = -1;
+	_scene._priorSceneId = 0;
+	_scene._currentSceneId = -1;
+	_scene._nextSceneId = 101;
+
+	initializeGlobals();
+
 	// Check copy protection
 	ProtectionResult protectionResult = checkCopyProtection();
+
 	switch (protectionResult) {
 	case PROTECTION_FAIL:
 		// Copy protection failed
 		_scene._nextSceneId = 804;
-		initializeGlobals();
 		_globals[kCopyProtectFailed] = true;
 		return;
 	case PROTECTION_ESCAPE:
@@ -78,23 +135,6 @@ void GameNebular::startGame() {
 		// Copy protection check succeeded
 		break;
 	}
-	*/
-
-	initSection(_sectionNumber);
-	_statusFlag = true;
-
-	// Show the main menu
-	_vm->_dialogs->_pendingDialog = DIALOG_MAIN_MENU;
-	_vm->_dialogs->showDialog();
-	_vm->_dialogs->_pendingDialog = DIALOG_NONE;
-
-	_priorSectionNumber = 0;
-	_priorSectionNumber = -1;
-	_scene._priorSceneId = 0;
-	_scene._currentSceneId = -1;
-	_scene._nextSceneId = 101;
-
-	initializeGlobals();
 }
 
 void GameNebular::initializeGlobals() {
@@ -244,10 +284,12 @@ void GameNebular::initializeGlobals() {
 	// Final setup based on selected difficulty level
 	switch (_difficulty) {
 	case DIFFICULTY_HARD:
-		_objects.setRoom(OBJ_PLANT_STALK, NOWHERE);
-		_objects.setRoom(OBJ_PENLIGHT, NOWHERE);
+		_objects.setRoom(OBJ_BLOWGUN, NOWHERE);
+		_objects.setRoom(OBJ_NOTE, NOWHERE);
 
-		_globals[kLeavesStatus] = LEAVES_ON_TRAP;
+		_globals[kLeavesStatus] = LEAVES_ON_GROUND;
+		_globals[kDurafailRecharged] = 0;
+		_globals[kPenlightCellStatus] = FIRST_TIME_UNCHARGED_DURAFAIL;
 		break;
 
 	case DIFFICULTY_MEDIUM:
@@ -259,12 +301,10 @@ void GameNebular::initializeGlobals() {
 		break;
 
 	case DIFFICULTY_EASY:
-		_objects.setRoom(OBJ_BLOWGUN, NOWHERE);
-		_objects.setRoom(OBJ_NOTE, NOWHERE);
+		_objects.setRoom(OBJ_PLANT_STALK, NOWHERE);
+		_objects.setRoom(OBJ_PENLIGHT, NOWHERE);
 
-		_globals[kLeavesStatus] = LEAVES_ON_GROUND;
-		_globals[kPenlightCellStatus] = FIRST_TIME_UNCHARGED_DURAFAIL;
-		_globals[kDurafailRecharged] = 0;
+		_globals[kLeavesStatus] = LEAVES_ON_TRAP;
 		break;
 	}
 
@@ -309,7 +349,9 @@ void GameNebular::setSectionHandler() {
 }
 
 void GameNebular::checkShowDialog() {
-	if (_vm->_dialogs->_pendingDialog && _player._stepEnabled && !_globals[kCopyProtectFailed]) {
+	// Loop for showing dialogs, if any need to be shown
+	if (_vm->_dialogs->_pendingDialog && (_player._stepEnabled || _winStatus) 
+			&& !_globals[kCopyProtectFailed]) {
 		_player.releasePlayerSprites();
 
 		// Make a thumbnail in case it's needed for making a savegame
@@ -428,7 +470,7 @@ void GameNebular::doObjectAction() {
 		dialogs.show(464);
 	} else if (action.isAction(VERB_REFLECT)) {
 		dialogs.show(466);
-	} 	else if (action.isAction(VERB_GAZE_INTO, NOUN_REARVIEW_MIRROR)) {
+	} else if (action.isAction(VERB_GAZE_INTO, NOUN_REARVIEW_MIRROR)) {
 		dialogs.show(467);
 	} else if (action.isAction(VERB_EAT, NOUN_CHICKEN_BOMB)) {
 		dialogs.show(469);
@@ -599,7 +641,7 @@ void GameNebular::doObjectAction() {
 			_objects.addToInventory(OBJ_DURAFAIL_CELLS);
 			if (_difficulty == DIFFICULTY_HARD) {
 				dialogs.showItem(OBJ_DURAFAIL_CELLS, 416);
-			} 
+			}
 			_globals[kHandsetCellStatus] = 0;
 			break;
 		case 3:
@@ -784,7 +826,7 @@ void GameNebular::step() {
 		(_player._facing == _player._turnToFacing)) {
 		if (_scene._frameStartTime >= *((uint32 *)&_globals[kWalkerTiming])) {
 			if (!_player._stopWalkerIndex) {
-				int randomVal = _vm->getRandomNumber(29999);;
+				int randomVal = _vm->getRandomNumber(29999);
 				if (_globals[kSexOfRex] == REX_MALE) {
 					switch (_player._facing) {
 					case FACING_SOUTHWEST:
diff --git a/engines/mads/nebular/game_nebular.h b/engines/mads/nebular/game_nebular.h
index da607d47ee..3cf7aefc18 100644
--- a/engines/mads/nebular/game_nebular.h
+++ b/engines/mads/nebular/game_nebular.h
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
@@ -131,20 +131,21 @@ public:
 	virtual void step();
 
 	virtual void synchronize(Common::Serializer &s, bool phase1);
-};
 
+	virtual void setNaughtyMode(bool naughtyMode) { _storyMode = naughtyMode ? STORYMODE_NAUGHTY : STORYMODE_NICE; }
+	virtual bool getNaughtyMode() const { return _storyMode == STORYMODE_NAUGHTY; }
+};
 
+// Section handlers aren't needed in ScummVM implementation
 class Section1Handler : public SectionHandler {
 public:
 	Section1Handler(MADSEngine *vm) : SectionHandler(vm) {}
 
-	// TODO: Properly implement handler methods
 	virtual void preLoadSection() {}
 	virtual void sectionPtr2() {}
 	virtual void postLoadSection() {}
 };
 
-// TODO: Properly implement handler classes
 typedef Section1Handler Section2Handler;
 typedef Section1Handler Section3Handler;
 typedef Section1Handler Section4Handler;
diff --git a/engines/mads/nebular/globals_nebular.cpp b/engines/mads/nebular/globals_nebular.cpp
index 9f8b8a7888..c44506e546 100644
--- a/engines/mads/nebular/globals_nebular.cpp
+++ b/engines/mads/nebular/globals_nebular.cpp
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
diff --git a/engines/mads/nebular/globals_nebular.h b/engines/mads/nebular/globals_nebular.h
index bd1c6d84b0..7c7069892e 100644
--- a/engines/mads/nebular/globals_nebular.h
+++ b/engines/mads/nebular/globals_nebular.h
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
@@ -148,9 +148,9 @@ enum GlobalId {
 
 	/* Section #6 Variables */
 	kConvHermit1			= 130,
-	kconvHermit2			= 131,
+	kConvHermit2			= 131,
 	kHasTalkedToHermit		= 132,
-	kExecuted_1_11			= 133,
+	kHermitWantsBatteries	= 133,
 	kHandsetCellStatus		= 134,
 	kBeenInVideoStore		= 135,
 	kDurafailRecharged		= 136,
diff --git a/engines/mads/nebular/menu_nebular.cpp b/engines/mads/nebular/menu_nebular.cpp
index 717e3f6cf9..6fe17f3beb 100644
--- a/engines/mads/nebular/menu_nebular.cpp
+++ b/engines/mads/nebular/menu_nebular.cpp
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
@@ -21,6 +21,7 @@
  */
 
 #include "common/scummsys.h"
+#include "common/config-manager.h"
 #include "mads/game.h"
 #include "mads/mads.h"
 #include "mads/menu_views.h"
@@ -47,7 +48,7 @@ MainMenu::MainMenu(MADSEngine *vm): MenuView(vm) {
 	_highlightedIndex = -1;
 	_selectedIndex = -1;
 	_buttonDown = false;
-	
+
 	for (int i = 0; i < 7; ++i)
 		_menuItems[i] = nullptr;
 }
@@ -62,6 +63,10 @@ MainMenu::~MainMenu() {
 	scene._spriteSlots.reset();
 }
 
+bool MainMenu::shouldShowQuotes() {
+	return ConfMan.hasKey("ShowQuotes") && ConfMan.getBool("ShowQuotes");
+}
+
 void MainMenu::display() {
 	MenuView::display();
 	Scene &scene = _vm->_game->_scene;
@@ -80,8 +85,8 @@ void MainMenu::display() {
 		Common::Point pt(frame0->_offset.x - (frame0->w / 2),
 			frame0->_offset.y - frame0->h);
 		screenObjects.add(
-			Common::Rect(pt.x, pt.y + DIALOG_TOP, pt.x + frame0->w, 
-			pt.y + frame0->h + DIALOG_TOP), LAYER_GUI, CAT_COMMAND, i);
+			Common::Rect(pt.x, pt.y + DIALOG_TOP, pt.x + frame0->w,
+			pt.y + frame0->h + DIALOG_TOP), SCREENMODE_VGA, CAT_COMMAND, i);
 	}
 
 	// Set the cursor for when it's shown
@@ -101,6 +106,9 @@ void MainMenu::doFrame() {
 			handleAction((MADSGameAction)_selectedIndex);
 		} else {
 			for (_menuItemIndex = 0; _menuItemIndex < 6; ++_menuItemIndex) {
+				if (_menuItemIndex == 4 && !shouldShowQuotes())
+					continue;
+
 				if (_menuItemIndex != _selectedIndex) {
 					addSpriteSlot();
 				}
@@ -118,8 +126,11 @@ void MainMenu::doFrame() {
 
 	// If the user has chosen to skip the animation, show the full menu immediately
 	if (_skipFlag && _menuItemIndex >= 0) {
-		// Quickly loop through all the menu items to display each's final frame		
+		// Quickly loop through all the menu items to display each's final frame
 		for (; _menuItemIndex < 6; ++_menuItemIndex) {
+			if (_menuItemIndex == 4 && !shouldShowQuotes())
+				continue;
+
 			// Draw the final frame of the menuitem
 			_frameIndex = 0;
 			addSpriteSlot();
@@ -129,9 +140,12 @@ void MainMenu::doFrame() {
 	} else {
 		if ((_menuItemIndex == -1) || (_frameIndex == 0)) {
 			if (++_menuItemIndex == 6) {
+
 				// Reached end of display animation
 				_vm->_events->showCursor();
 				return;
+			} else if (_menuItemIndex == 4 && !shouldShowQuotes()) {
+				++_menuItemIndex;
 			}
 
 			_frameIndex = _menuItems[_menuItemIndex]->getCount() - 1;
@@ -147,7 +161,7 @@ void MainMenu::doFrame() {
 void MainMenu::addSpriteSlot() {
 	Scene &scene = _vm->_game->_scene;
 	SpriteSlots &spriteSlots = scene._spriteSlots;
-	
+
 	int seqIndex = (_menuItemIndex < 6) ? _menuItemIndex : _frameIndex;
 	spriteSlots.deleteTimer(seqIndex);
 
@@ -241,7 +255,7 @@ bool MainMenu::onEvent(Common::Event &event) {
 		}
 		return true;
 
-	case Common::EVENT_MOUSEMOVE: 
+	case Common::EVENT_MOUSEMOVE:
 		if (_buttonDown) {
 			int menuIndex = getHighlightedItem(event.mouse);
 			if (menuIndex != _highlightedIndex) {
@@ -273,12 +287,12 @@ bool MainMenu::onEvent(Common::Event &event) {
 	default:
 		break;
 	}
-	
+
 	return false;
 }
 
 int MainMenu::getHighlightedItem(const Common::Point &pt) {
-	return _vm->_game->_screenObjects.scan(pt, LAYER_GUI) - 1;
+	return _vm->_game->_screenObjects.scan(pt, SCREENMODE_VGA) - 1;
 }
 
 void MainMenu::unhighlightItem() {
@@ -303,7 +317,7 @@ void MainMenu::handleAction(MADSGameAction action) {
 		break;
 
 	case RESUME_GAME:
-		// The original resumed the most recently saved game. Instead, 
+		// The original resumed the most recently saved game. Instead,
 		// just show the load game scren
 		_vm->_dialogs->_pendingDialog = DIALOG_RESTORE;
 		return;
@@ -340,7 +354,7 @@ void AdvertView::show() {
 	uint32 expiryTime = g_system->getMillis() + 10 * 1000;
 
 	_vm->_palette->resetGamePalette(4, 8);
-	
+
 	// Load the advert background onto the screen
 	SceneInfo *sceneInfo = SceneInfo::init(_vm);
 	sceneInfo->load(screenId, 0, Common::String(), 0, _vm->_game->_scene._depthSurface,
@@ -375,6 +389,21 @@ bool AdvertView::onEvent(Common::Event &event) {
 	return false;
 }
 
+/*------------------------------------------------------------------------*/
+
+void RexAnimationView::scriptDone() {
+	AnimationView::scriptDone();
+
+	Common::String s = getResourceName();
+	if (s == "rexend1") {
+		TextView::execute(_vm, "ending1");
+	} else if (s == "rexend2") {
+		TextView::execute(_vm, "ending2");
+	} else if (s == "rexend3") {
+		TextView::execute(_vm, "credits");
+	}
+}
+
 } // End of namespace Nebular
 
 } // End of namespace MADS
diff --git a/engines/mads/nebular/menu_nebular.h b/engines/mads/nebular/menu_nebular.h
index 29777a7a7c..35af0bb34f 100644
--- a/engines/mads/nebular/menu_nebular.h
+++ b/engines/mads/nebular/menu_nebular.h
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
@@ -80,6 +80,8 @@ private:
 	 * Add a sprite slot for the current menuitem frame
 	 */
 	void addSpriteSlot();
+
+	bool shouldShowQuotes();
 protected:
 	/**
 	 * Display the menu
@@ -128,6 +130,18 @@ public:
 	void show();
 };
 
+class RexAnimationView : public AnimationView {
+protected:
+	virtual void scriptDone();
+public:
+	RexAnimationView(MADSEngine *vm) : AnimationView(vm) {}
+};
+
+class RexTextView : public TextView {
+public:
+	RexTextView(MADSEngine *vm) : TextView(vm) {}
+};
+
 } // End of namespace Nebular
 
 } // End of namespace MADS
diff --git a/engines/mads/nebular/nebular_scenes.cpp b/engines/mads/nebular/nebular_scenes.cpp
index b5e2491624..eb6f7a5610 100644
--- a/engines/mads/nebular/nebular_scenes.cpp
+++ b/engines/mads/nebular/nebular_scenes.cpp
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
@@ -432,7 +432,7 @@ void SceneTeleporter::teleporterHandleKey() {
 	case 0: {
 		_game._player._stepEnabled = false;
 		Common::Point msgPos = teleporterComputeLocation();
-		_handSequenceId = _scene->_sequences.startReverseCycle(_handSpriteId, false, 4, 2, 0, 0);
+		_handSequenceId = _scene->_sequences.startPingPongCycle(_handSpriteId, false, 4, 2, 0, 0);
 		_scene->_sequences.setPosition(_handSequenceId, msgPos);
 		_scene->_sequences.setDepth(_handSequenceId, 2);
 		_scene->_sequences.addSubEntry(_handSequenceId, SEQUENCE_TRIGGER_LOOP, 0, 1);
@@ -451,7 +451,10 @@ void SceneTeleporter::teleporterHandleKey() {
 				_curCode *= 10;
 				_curCode += _buttonTyped;
 				_digitCount++;
-				_msgText = Common::String::format("%d", _curCode);
+
+				Common::String format = "%01d";
+				format.setChar('0' + _digitCount, 2);
+				_msgText = Common::String::format(format.c_str(), _curCode);
 				if (_digitCount < 4)
 					_msgText += "_";
 
@@ -535,7 +538,7 @@ void SceneTeleporter::teleporterEnter() {
 	_curMessageId        = -1;
 	_msgText = "_";
 
-	if (_scene->_priorSceneId == -2)
+	if (_scene->_priorSceneId == RETURNING_FROM_DIALOG)
 		_scene->_priorSceneId = _globals[kTeleporterDestination];
 
 	if (_scene->_priorSceneId < 101)
diff --git a/engines/mads/nebular/nebular_scenes.h b/engines/mads/nebular/nebular_scenes.h
index cf33b21aad..58a6d1c98f 100644
--- a/engines/mads/nebular/nebular_scenes.h
+++ b/engines/mads/nebular/nebular_scenes.h
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
@@ -106,6 +106,7 @@ enum Verb {
 	VERB_WALK_UP        = 0x227,
 	VERB_WALK_INTO      = 0x242,
 	VERB_EXIT           = 0x298,
+	VERB_WALK_BEHIND    = 0x2A2,
 	VERB_WALK_ONTO      = 0x2B5,
 	VERB_RETURN_TO      = 0x2D5,
 	VERB_CLIMB_INTO     = 0x2F7,
@@ -216,9 +217,9 @@ enum Noun {
 	NOUN_CLEARING_TO_EAST = 0x4B,
 	NOUN_CLEARING_TO_SOUTH = 0x4C,
 	NOUN_CLIFF_FACE = 0x4D,
-	NOUN_CLIMB_DOWN = 0x4E,
-	NOUN_CLIMB_THROUGH = 0x4F,
-	NOUN_CLIMB_UP = 0x50,
+	//NOUN_CLIMB_DOWN = 0x4E,
+	//NOUN_CLIMB_THROUGH = 0x4F,
+	//NOUN_CLIMB_UP = 0x50,
 	NOUN_CLOCK = 0x51,
 	NOUN_CLOSET = 0x52,
 	NOUN_CLOTHESLINE = 0x53,
@@ -397,7 +398,7 @@ enum Noun {
 	NOUN_PALM_TREE = 0x100,
 	NOUN_PASSAGE_WAY_TO_SOUTH = 0x101,
 	NOUN_PASSION_PUSS = 0x102,
-	NOUN_PEER_THROUGH = 0x103,
+	//NOUN_PEER_THROUGH = 0x103,
 	NOUN_PENCIL = 0x104,
 	NOUN_PENDULOUS_CRAG = 0x105,
 	NOUN_PENLIGHT = 0x106,
@@ -812,7 +813,7 @@ enum Noun {
 	NOUN_COUNTER = 0x29F,
 	NOUN_SENSOR = 0x2A0,
 	NOUN_SOFTWARE_INFORMATION = 0x2A1,
-	NOUN_WALK_BEHIND = 0x2A2,
+	//NOUN_WALK_BEHIND = 0x2A2,
 	NOUN_BARGAINS = 0x2A3,
 	NOUN_SCAN_LIGHT = 0x2A4,
 	NOUN_OLD_SOFTWARE_STAND = 0x2A5,
@@ -831,7 +832,7 @@ enum Noun {
 	//NOUN_GAWK_AT = 0x2B2,
 	NOUN_CORRIDOR_TO_SOUTH = 0x2B3,
 	NOUN_CORRIDOR_TO_NORTH = 0x2B4,
-	NOUN_WALK_ONTO = 0x2B5,
+	//NOUN_WALK_ONTO = 0x2B5,
 	NOUN_ROCK_WALL = 0x2B6,
 	NOUN_WOMAN = 0x2B7,
 	NOUN_WOMEN = 0x2B8,
@@ -897,7 +898,7 @@ enum Noun {
 	NOUN_YOUR_STUFF = 0x2F4,
 	NOUN_OTHER_STUFF = 0x2F5,
 	NOUN_LAMP = 0x2F6,
-	NOUN_CLIMB_INTO = 0x2F7,
+	//NOUN_CLIMB_INTO = 0x2F7,
 	NOUN_LIGHT_BULB = 0x2F8,
 	//NOUN_STEP_INTO = 0x2F9,
 	NOUN_ROOM = 0x2FA,
@@ -924,7 +925,6 @@ enum Noun {
 	NOUN_WHISKEY = 0x30F,
 	NOUN_ALCOHOL = 0x310,
 	NOUN_RIM = 0x311,
-	//NOUN_WALK_ALONG = 0x312,
 	NOUN_SUBMERGED_CITY = 0x313,
 	NOUN_GOVERNORS_HOUSE = 0x314,
 	NOUN_RIM_TOWARDS_EAST = 0x315,
@@ -1057,7 +1057,7 @@ enum Noun {
 	NOUN_PAD_TO_EAST = 0x394,
 	NOUN_PAD_TO_WEST = 0x395,
 	NOUN_TOWER = 0x396,
-	NOUN_LOOK_OUT = 0x397,
+	//NOUN_LOOK_OUT = 0x397,
 	NOUN_SERVICE_PANEL = 0x398,
 	NOUN_CRACK = 0x399,
 	NOUN_THROTTLE = 0x39A,
diff --git a/engines/mads/nebular/nebular_scenes1.cpp b/engines/mads/nebular/nebular_scenes1.cpp
index ab072c1d3c..fd97f71727 100644
--- a/engines/mads/nebular/nebular_scenes1.cpp
+++ b/engines/mads/nebular/nebular_scenes1.cpp
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
@@ -134,7 +134,7 @@ void Scene101::sayDang() {
 	switch (_game._trigger) {
 	case 0:
 		_scene->_sequences.remove(_globals._sequenceIndexes[11]);
-		_globals._sequenceIndexes[11] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[11], false, 3, 6, 0, 0);
+		_globals._sequenceIndexes[11] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[11], false, 3, 6, 0, 0);
 		_scene->_sequences.setAnimRange(_globals._sequenceIndexes[11], 17, 21);
 		_scene->_sequences.addSubEntry(_globals._sequenceIndexes[11], SEQUENCE_TRIGGER_EXPIRE, 0, 72);
 		_vm->_sound->command(17);
@@ -188,13 +188,13 @@ void Scene101::enter() {
 	_scene->_hotspots.activate(NOUN_SHIELD_MODULATOR, false);
 	_panelOpened = false;
 
-	if (_scene->_priorSceneId != -1)
+	if (_scene->_priorSceneId != RETURNING_FROM_LOADING)
 		_globals[kNeedToStandUp] = false;
 
-	if (_scene->_priorSceneId != -2)
+	if (_scene->_priorSceneId != RETURNING_FROM_DIALOG)
 		_game._player._playerPos = Common::Point(100, 152);
 
-	if ((_scene->_priorSceneId == 112) || ((_scene->_priorSceneId == -2) && _sittingFl )) {
+	if ((_scene->_priorSceneId == 112) || ((_scene->_priorSceneId == RETURNING_FROM_DIALOG) && _sittingFl )) {
 		_game._player._visible = false;
 		_sittingFl = true;
 		_game._player._playerPos = Common::Point(161, 123);
@@ -696,7 +696,7 @@ void Scene102::enter() {
 	_globals._spriteIndexes[11] = _scene->_sprites.addSprites("*RXMRC_8");
 	_globals._spriteIndexes[13] = _scene->_sprites.addSprites(formAnimName('x', 0));
 
-	_globals._sequenceIndexes[1] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[1], false, 8, 0, 0, 0);
+	_globals._sequenceIndexes[1] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[1], false, 8, 0, 0, 0);
 	_globals._sequenceIndexes[2] = _scene->_sequences.addSpriteCycle(_globals._spriteIndexes[2], false, 170, 0, 1, 6);
 	_globals._sequenceIndexes[3] = _scene->_sequences.addSpriteCycle(_globals._spriteIndexes[3], false, 11, 0, 2, 3);
 	_globals._sequenceIndexes[4] = _scene->_sequences.addSpriteCycle(_globals._spriteIndexes[4], false, 4, 0, 1, 0);
@@ -721,7 +721,7 @@ void Scene102::enter() {
 		_scene->_sequences.addSubEntry(_globals._sequenceIndexes[6], SEQUENCE_TRIGGER_EXPIRE, 0, 70);
 	} else if (_scene->_priorSceneId == 103)
 		_game._player._playerPos = Common::Point(47, 152);
-	else if (_scene->_priorSceneId != -2) {
+	else if (_scene->_priorSceneId != RETURNING_FROM_DIALOG) {
 		_game._player._facing = FACING_NORTHWEST;
 		_game._player._playerPos = Common::Point(32, 129);
 	}
@@ -906,7 +906,7 @@ void Scene102::actions() {
 		_fridgeFirstOpenFl = false;
 		int quoteId = _vm->getRandomNumber(59, 63);
 		Common::String curQuote = _game.getQuote(quoteId);
-		int width = _vm->_font->getWidth(curQuote, -1);
+		int width = _scene->_kernelMessages._talkFont->getWidth(curQuote, -1);
 		_scene->_kernelMessages.reset();
 		_game._triggerSetupMode = SEQUENCE_TRIGGER_DAEMON;
 		_scene->_kernelMessages.add(Common::Point(210, 60), 0x1110, 0, 73, 120, curQuote);
@@ -1201,7 +1201,7 @@ void Scene102::actions() {
 	if (_action.isAction(VERB_TAKE, NOUN_BINOCULARS) && _game._objects.isInRoom(OBJ_BINOCULARS)) {
 		switch (_game._trigger) {
 		case 0:
-			_globals._sequenceIndexes[11] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[11], false, 3, 1, 0, 0);
+			_globals._sequenceIndexes[11] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[11], false, 3, 1, 0, 0);
 			_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[11]);
 			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[11], SEQUENCE_TRIGGER_EXPIRE, 0, 1);
 			_game._player._visible = false;
@@ -1342,7 +1342,7 @@ void Scene103::enter() {
 		_scene->_hotspots.activate(362, false);
 	}
 
-	if (_scene->_priorSceneId != -2)
+	if (_scene->_priorSceneId != RETURNING_FROM_DIALOG)
 		_game._player._playerPos = Common::Point(237, 74);
 
 	if (_scene->_priorSceneId == 102) {
@@ -1433,7 +1433,7 @@ void Scene103::actions() {
 		switch (_vm->_game->_trigger) {
 		case 0:
 			_scene->changeVariant(1);
-			_globals._sequenceIndexes[13] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[13], false, 3, 2);
+			_globals._sequenceIndexes[13] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[13], false, 3, 2);
 			_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[13]);
 			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[13], SEQUENCE_TRIGGER_SPRITE, 7, 1);
 			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[13], SEQUENCE_TRIGGER_EXPIRE, 0, 2);
@@ -1453,17 +1453,16 @@ void Scene103::actions() {
 			_scene->_hotspots.activate(371, false);
 			_vm->_game->_player._visible = true;
 			_vm->_game->_player._stepEnabled = true;
-			_vm->_dialogs->showItem(OBJ_REBREATHER, 805);
+			_vm->_dialogs->showItem(OBJ_TIMER_MODULE, 805);
 			break;
 
 		default:
 			break;
 		}
-	} else if (_action.isAction(VERB_TAKE, 289, 0) && _game._objects.isInRoom(OBJ_REBREATHER)) {
+	} else if (_action.isAction(VERB_TAKE, NOUN_REBREATHER, 0) && _game._objects.isInRoom(OBJ_REBREATHER)) {
 		switch (_vm->_game->_trigger) {
 		case 0:
-			_scene->changeVariant(1);
-			_globals._sequenceIndexes[12] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[12], false, 3, 2);
+			_globals._sequenceIndexes[12] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[12], false, 3, 2);
 			_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[12]);
 			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[12], SEQUENCE_TRIGGER_SPRITE, 6, 1);
 			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[12], SEQUENCE_TRIGGER_EXPIRE, 0, 2);
@@ -1621,10 +1620,11 @@ void Scene104::setup() {
 void Scene104::enter() {
 	_globals._spriteIndexes[1] = _scene->_sprites.addSprites(formAnimName('h', -1));
 	_globals._sequenceIndexes[1] = _scene->_sequences.addSpriteCycle(_globals._spriteIndexes[1], false, 14, 0, 0, 1);
+	_scene->_sequences.setDepth(_globals._sequenceIndexes[1], 8);
 
 	if (_scene->_priorSceneId == 105)
 		_game._player._playerPos = Common::Point(302, 107);
-	else if (_scene->_priorSceneId != -2)
+	else if (_scene->_priorSceneId != RETURNING_FROM_DIALOG)
 		_game._player._playerPos = Common::Point(160, 134);
 
 	_loseFl = false;
@@ -1846,7 +1846,7 @@ void Scene105::enter() {
 
 	if (_scene->_priorSceneId == 104)
 		_game._player._playerPos = Common::Point(13, 97);
-	else if (_scene->_priorSceneId != -2)
+	else if (_scene->_priorSceneId != RETURNING_FROM_DIALOG)
 		_game._player._playerPos = Common::Point(116, 147);
 
 	_game.loadQuoteSet(0x4A, 0x4B, 0x4C, 0x35, 0x34, 0);
@@ -2009,7 +2009,7 @@ void Scene106::enter() {
 	}
 
 	_globals._spriteIndexes[2] = _scene->_sprites.addSprites(formAnimName('G', -1));
-	_globals._sequenceIndexes[2] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[2], false, 21, 0, 0, 0);
+	_globals._sequenceIndexes[2] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[2], false, 21, 0, 0, 0);
 	_globals._spriteIndexes[4] = _scene->_sprites.addSprites(formAnimName('I', -1));
 	_globals._sequenceIndexes[4] = _scene->_sequences.addSpriteCycle(_globals._spriteIndexes[4], false, 6, 0, 32, 47);
 
@@ -2020,7 +2020,7 @@ void Scene106::enter() {
 		_game._player._stepEnabled = false;
 		_game._player._facing = FACING_EAST;
 		_game._player._playerPos = Common::Point(106, 69);
-	} else if (_scene->_priorSceneId != -2) {
+	} else if (_scene->_priorSceneId != RETURNING_FROM_DIALOG) {
 		if (_scene->_priorSceneId == 107) {
 			_game._player._playerPos = Common::Point(319, 84);
 			_game._player._facing = _game._player._prepareWalkFacing = FACING_WEST;
@@ -2112,9 +2112,9 @@ void Scene106::step() {
 		}
 
 		if (msgId >= 0) {
-			int nextAbortVal = _game._trigger + 1;
+			int nextTrigger = _game._trigger + 1;
 			_scene->_kernelMessages.add(Common::Point(15, _positionY), 0x1110, 0, 0, 360, _game.getQuote(msgId));
-			_scene->_sequences.addTimer(150, nextAbortVal);
+			_scene->_sequences.addTimer(150, nextTrigger);
 			_positionY += 14;
 		}
 	}
@@ -2239,7 +2239,7 @@ void Scene107::enter() {
 		_game._player._playerPos = Common::Point(132, 47);
 	else if (_scene->_priorSceneId == 106)
 		_game._player._playerPos = Common::Point(20, 91);
-	else if (_scene->_priorSceneId != -2)
+	else if (_scene->_priorSceneId != RETURNING_FROM_DIALOG)
 		_game._player._playerPos = Common::Point(223, 151);
 
 	if (((_scene->_priorSceneId == 105) || (_scene->_priorSceneId == 106)) && (_vm->getRandomNumber(1, 3) == 1)) {
@@ -2351,7 +2351,7 @@ void Scene108::enter() {
 
 	if (_scene->_priorSceneId == 107)
 		_game._player._playerPos = Common::Point(138, 58);
-	else if (_scene->_priorSceneId != -2)
+	else if (_scene->_priorSceneId != RETURNING_FROM_DIALOG)
 		_game._player._playerPos = Common::Point(305, 98);
 
 	_game.loadQuoteSet(0x4A, 0x4B, 0x4C, 0x35, 0x34, 0);
@@ -2458,7 +2458,7 @@ void Scene109::enter() {
 	if (_scene->_priorSceneId == 110) {
 		_game._player._playerPos = Common::Point(248, 38);
 		_globals[kHoovicSated] = 2;
-	} else if (_scene->_priorSceneId != -2) {
+	} else if (_scene->_priorSceneId != RETURNING_FROM_DIALOG) {
 		_game._player._playerPos = Common::Point(20, 68);
 		_game._player._facing = FACING_EAST;
 	}
@@ -2502,7 +2502,7 @@ void Scene109::enter() {
 		_globals._spriteIndexes[10] = _scene->_sprites.addSprites(Resources::formatName(105, 'F', 1, EXT_SS, ""));
 		_globals._spriteIndexes[9] = _scene->_sprites.addSprites(formAnimName('H', 1));
 
-		_globals._sequenceIndexes[10] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[10], true, 4, 0, 0, 0);
+		_globals._sequenceIndexes[10] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[10], true, 4, 0, 0, 0);
 		_scene->_sequences.setDepth(_globals._sequenceIndexes[10], 5);
 		_scene->_sequences.setPosition(_globals._sequenceIndexes[10], Common::Point(126, 39));
 		_scene->_sequences.setMotion(_globals._sequenceIndexes[10], 0, 200, 0);
@@ -2589,8 +2589,8 @@ void Scene109::preActions() {
 		_game._player._walkOffScreenSceneId = 108;
 
 	if ((_action.isAction(VERB_THROW) || _action.isAction(VERB_GIVE) || _action.isAction(VERB_PUT))
-	&& (_action.isObject(NOUN_SMALL_HOLE) || _action.isObject(NOUN_TUNNEL))
-	&& (_action.isObject(NOUN_DEAD_FISH) || _action.isObject(NOUN_STUFFED_FISH) || _action.isObject(NOUN_BURGER))) {
+			&& (_action.isTarget(NOUN_SMALL_HOLE) || _action.isTarget(NOUN_TUNNEL))
+			&& (_action.isObject(NOUN_DEAD_FISH) || _action.isObject(NOUN_STUFFED_FISH) || _action.isObject(NOUN_BURGER))) {
 		int idx = _game._objects.getIdFromDesc(_action._activeAction._objectNameId);
 		if ((idx >= 0) && _game._objects.isInInventory(idx)) {
 			_game._player._prepareWalkPos = Common::Point(106, 38);
@@ -2637,7 +2637,7 @@ void Scene109::actions() {
 							break;
 
 						case OBJ_BURGER:
-							_hoovicDifficultFl = (_game._difficulty == DIFFICULTY_EASY);
+							_hoovicDifficultFl = (_game._difficulty == DIFFICULTY_HARD);
 							_globals._spriteIndexes[8] = _scene->_sprites.addSprites(formAnimName('H', (_hoovicDifficultFl ? 3 : 1)));
 							break;
 						}
@@ -2675,7 +2675,7 @@ void Scene109::actions() {
 
 					case 2:
 						if (_hoovicDifficultFl)
-							_globals._sequenceIndexes[8] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[8], false, 4, 2, 0, 0);
+							_globals._sequenceIndexes[8] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[8], false, 4, 2, 0, 0);
 						else
 							_globals._sequenceIndexes[8] = _scene->_sequences.addSpriteCycle(_globals._spriteIndexes[8], false, 4, 1, 0, 0);
 
@@ -2864,7 +2864,7 @@ void Scene110::enter() {
 		_scene->_dynamicHotspots.setPosition(idx, Common::Point(-1, 0), FACING_NONE);
 		idx = _scene->_dynamicHotspots.add(91, 348, _globals._sequenceIndexes[3], Common::Rect(0, 0, 0, 0));
 		_scene->_dynamicHotspots.setPosition(idx, Common::Point(-1, 0), FACING_NONE);
-	} else if (_scene->_priorSceneId != -2) {
+	} else if (_scene->_priorSceneId != RETURNING_FROM_DIALOG) {
 		_game._player._playerPos = Common::Point(194, 23);
 		_game._player._facing = FACING_SOUTH;
 		_game._player._visible = false;
@@ -3007,7 +3007,7 @@ void Scene111::enter() {
 	_launched2Fl = false;
 	_stampedFl = false;
 
-	if ((_scene->_priorSceneId < 201) && (_scene->_priorSceneId != -2)) {
+	if ((_scene->_priorSceneId < 201) && (_scene->_priorSceneId != RETURNING_FROM_DIALOG)) {
 		_game._player._stepEnabled = false;
 		_game._player._visible = false;
 		_scene->loadAnimation(Resources::formatName(111, 'A', 0, EXT_AA, ""), 70);
@@ -3018,7 +3018,7 @@ void Scene111::enter() {
 		_launched2Fl = true;
 
 		_vm->_sound->command(36);
-	} else if (_scene->_priorSceneId != -2) {
+	} else if (_scene->_priorSceneId != RETURNING_FROM_DIALOG) {
 		_game._player._playerPos = Common::Point(300, 130);
 		_game._player._facing = FACING_WEST;
 	}
diff --git a/engines/mads/nebular/nebular_scenes1.h b/engines/mads/nebular/nebular_scenes1.h
index 1afa7fccc1..d8c9059846 100644
--- a/engines/mads/nebular/nebular_scenes1.h
+++ b/engines/mads/nebular/nebular_scenes1.h
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
diff --git a/engines/mads/nebular/nebular_scenes2.cpp b/engines/mads/nebular/nebular_scenes2.cpp
index 94e30aa4f2..1cbd6f56ef 100644
--- a/engines/mads/nebular/nebular_scenes2.cpp
+++ b/engines/mads/nebular/nebular_scenes2.cpp
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
@@ -152,7 +152,7 @@ void Scene201::enter() {
 	int idx = _scene->_dynamicHotspots.add(NOUN_BIRDS, 209, _globals._sequenceIndexes[4], Common::Rect(0, 0, 0, 0));
 	_scene->_dynamicHotspots.setPosition(idx, Common::Point(186, 81), FACING_NORTH);
 
-	if ((_scene->_priorSceneId == 202) || (_scene->_priorSceneId == -1)) {
+	if ((_scene->_priorSceneId == 202) || (_scene->_priorSceneId == RETURNING_FROM_LOADING)) {
 		_game._player._playerPos = Common::Point(165, 152);
 	} else {
 		_game._player._playerPos = Common::Point(223, 149);
@@ -165,16 +165,16 @@ void Scene201::enter() {
 		int sepChar = (_globals[kSexOfRex] == SEX_MALE) ? 't' : 'u';
 		// Guess values. What is the default value used by the compiler?
 		int suffixNum = -1;
-		int abortTimers = -1;
+		int endTrigger = -1;
 		switch(_globals[kTeleporterCommand]) {
 		case 1:
 			suffixNum = 3;
-			abortTimers = 76;
+			endTrigger = 76;
 			_globals[kTeleporterUnderstood] = true;
 			break;
 		case 2:
 			suffixNum = 1;
-			abortTimers = 77;
+			endTrigger = 77;
 			break;
 		case 3:
 			_game._player._visible = true;
@@ -183,12 +183,12 @@ void Scene201::enter() {
 			break;
 		case 4:
 			suffixNum = 2;
-			abortTimers = 78;
+			endTrigger = 78;
 			break;
 		}
 		_globals[kTeleporterCommand] = 0;
 		if (suffixNum >= 0)
-			_scene->loadAnimation(formAnimName(sepChar, suffixNum), abortTimers);
+			_scene->loadAnimation(formAnimName(sepChar, suffixNum), endTrigger);
 	}
 
 	if ((_scene->_priorSceneId == 202) && (_globals[kMeteorologistStatus] == METEOROLOGIST_PRESENT) && !_scene->_roomChanged) {
@@ -430,7 +430,7 @@ void Scene202::enter() {
 	if (_scene->_priorSceneId == 201) {
 		_game._player._playerPos = Common::Point(190, 91);
 		_game._player._facing = FACING_SOUTH;
-	} else if (_scene->_priorSceneId != -2) {
+	} else if (_scene->_priorSceneId != RETURNING_FROM_DIALOG) {
 		_game._player._playerPos = Common::Point(178, 152);
 		_game._player._facing = FACING_NORTH;
 	}
@@ -446,7 +446,7 @@ void Scene202::enter() {
 	_game.loadQuoteSet(0x5C, 0x5D, 0x5E, 0x5F, 0x60, 0x62, 0x63, 0x64, 0x65, 0x66, 0x61, 0);
 	_activeMsgFl = false;
 
-	if (_scene->_priorSceneId == -2) {
+	if (_scene->_priorSceneId == RETURNING_FROM_DIALOG) {
 		if (_waitingMeteoFl) {
 			_globals._sequenceIndexes[9] = _scene->_sequences.startCycle(_globals._spriteIndexes[9], false, 1);
 			_game._player._visible = false;
@@ -556,7 +556,7 @@ void Scene202::step() {
 	case 90:
 		_vm->_sound->command(41);
 		_scene->_sequences.remove(_globals._sequenceIndexes[10]);
-		_globals._sequenceIndexes[9] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[9], true, 6, 1, 0, 0);
+		_globals._sequenceIndexes[9] = _scene->_sequences.addReverseSpriteCycle(_globals._spriteIndexes[9], true, 6, 1, 0, 0);
 		_scene->_sequences.setPosition(_globals._sequenceIndexes[9], Common::Point(247, 82));
 		_scene->_sequences.setDepth(_globals._sequenceIndexes[9], 1);
 		_scene->_sequences.addSubEntry(_globals._sequenceIndexes[9], SEQUENCE_TRIGGER_EXPIRE, 0, 91);
@@ -811,7 +811,7 @@ void Scene202::actions() {
 			} else {
 				_game._player._stepEnabled = false;
 				_game._player._visible = false;
-				_globals._sequenceIndexes[7] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[7], false, 3, 2, 0, 0);
+				_globals._sequenceIndexes[7] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[7], false, 3, 2, 0, 0);
 				_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[7]);
 				_scene->_sequences.addSubEntry(_globals._sequenceIndexes[7], SEQUENCE_TRIGGER_SPRITE, 6, 1);
 				_scene->_sequences.addSubEntry(_globals._sequenceIndexes[7], SEQUENCE_TRIGGER_EXPIRE, 0, 2);
@@ -1044,7 +1044,7 @@ void Scene203::enter() {
 	} else if (_scene->_priorSceneId == 209) {
 		_game._player._playerPos = Common::Point(308, 117);
 		_game._player._facing = FACING_WEST;
-	} else if (_scene->_priorSceneId != -2) {
+	} else if (_scene->_priorSceneId != RETURNING_FROM_DIALOG) {
 		_game._player._playerPos = Common::Point(155, 152);
 		_game._player._facing = FACING_NORTH;
 	}
@@ -1152,8 +1152,9 @@ void Scene205::setup() {
 }
 
 Scene205::Scene205(MADSEngine *vm) : Scene2xx(vm) {
-	_lastFishTime = 0;
-	_chickenTime = 0;
+	_lastFishTime = _scene->_frameStartTime;
+	_chickenTime = _scene->_frameStartTime;
+
 	_beingKicked = false;
 	_kernelMessage = -1;
 }
@@ -1161,8 +1162,6 @@ Scene205::Scene205(MADSEngine *vm) : Scene2xx(vm) {
 void Scene205::synchronize(Common::Serializer &s) {
 	Scene2xx::synchronize(s);
 
-	s.syncAsUint32LE(_lastFishTime);
-	s.syncAsUint32LE(_chickenTime);
 	s.syncAsByte(_beingKicked);
 	s.syncAsSint16LE(_kernelMessage);
 }
@@ -1191,7 +1190,6 @@ void Scene205::enter() {
 	_scene->_sequences.setDepth(_globals._sequenceIndexes[5], 11);
 
 	if (!_game._visitedScenes._sceneRevisited) {
-		_lastFishTime = _scene->_frameStartTime;
 		_globals._sequenceIndexes[6] = _scene->_sequences.addSpriteCycle(_globals._spriteIndexes[6], false, 7, 1, 0, 0);
 		idx = _scene->_dynamicHotspots.add(269, 13, _globals._sequenceIndexes[6], Common::Rect(0, 0, 0, 0));
 		_scene->_dynamicHotspots.setPosition(idx, Common::Point(49, 86), FACING_NORTH);
@@ -1224,7 +1222,7 @@ void Scene205::enter() {
 			Common::Rect(195, 99, 264, 134), 13, 2, 0xFDFC, 60,
 			108, 108, 109, 109, 110, 110, 111, 108, 0);
 
-	if (_scene->_priorSceneId != -2)
+	if (_scene->_priorSceneId != RETURNING_FROM_DIALOG)
 		_game._player._playerPos = Common::Point(99, 152);
 
 	if (_globals[kSexOfRex] != SEX_MALE) {
@@ -1448,8 +1446,9 @@ Scene207::Scene207(MADSEngine *vm) : Scene2xx(vm) {
 	_eyeFl = false;
 	_spiderHotspotId = -1;
 	_vultureHotspotId = -1;
-	_spiderTime = 0;
-	_vultureTime = 0;
+
+	_spiderTime = _game._player._priorTimer;
+	_vultureTime = _game._player._priorTimer;
 }
 
 void Scene207::synchronize(Common::Serializer &s) {
@@ -1461,8 +1460,6 @@ void Scene207::synchronize(Common::Serializer &s) {
 
 	s.syncAsSint32LE(_spiderHotspotId);
 	s.syncAsSint32LE(_vultureHotspotId);
-	s.syncAsSint32LE(_spiderTime);
-	s.syncAsSint32LE(_vultureTime);
 }
 
 void Scene207::setup() {
@@ -1500,8 +1497,7 @@ void Scene207::enter() {
 	_spiderFl = (var2 & 1);
 
 	if (_vultureFl) {
-		_globals._sequenceIndexes[1] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[1], false, 30, 0, 0, 400);
-		_vultureTime = _game._player._priorTimer;
+		_globals._sequenceIndexes[1] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[1], false, 30, 0, 0, 400);
 		_vultureHotspotId = _scene->_dynamicHotspots.add(389, 13, _globals._sequenceIndexes[1], Common::Rect(0, 0, 0, 0));
 		_scene->_dynamicHotspots.setPosition(_vultureHotspotId, Common::Point(254, 94), FACING_WEST);
 	}
@@ -1509,7 +1505,6 @@ void Scene207::enter() {
 	if (_spiderFl) {
 		_globals._sequenceIndexes[4] = _scene->_sequences.addSpriteCycle(_globals._spriteIndexes[4], false, 7, 1, 0, 0);
 		_scene->_sequences.setAnimRange(_globals._sequenceIndexes[4], -1, -1);
-		_spiderTime = _game._player._priorTimer;
 		_spiderHotspotId = _scene->_dynamicHotspots.add(333, 13, _globals._sequenceIndexes[4], Common::Rect(0, 0, 0, 0));
 		_scene->_dynamicHotspots.setPosition(_spiderHotspotId, Common::Point(59, 132), FACING_SOUTH);
 	}
@@ -1521,7 +1516,7 @@ void Scene207::enter() {
 	} else if (_scene->_priorSceneId == 214) {
 		_game._player._playerPos = Common::Point(164, 117);
 		_game._player._facing = FACING_SOUTH;
-	} else if (_scene->_priorSceneId != -2) {
+	} else if (_scene->_priorSceneId != RETURNING_FROM_DIALOG) {
 		_game._player._playerPos = Common::Point(305, 131);
 	}
 
@@ -1549,11 +1544,17 @@ void Scene207::moveSpider() {
 }
 
 void Scene207::step() {
-	if (!_vultureFl)
-		moveVulture();
+	Player &player = _game._player;
+
+	if (_vultureFl) {
+		if (((int32)player._priorTimer - _vultureTime) > 1700)
+			moveVulture();
+	}
 
-	if (_spiderFl)
-		moveSpider();
+	if (_spiderFl) {
+		if (((int32)player._priorTimer - _spiderTime) > 800)
+			moveSpider();
+	}
 
 	if (_game._trigger == 70) {
 		_globals._sequenceIndexes[6] = _scene->_sequences.addSpriteCycle(_globals._spriteIndexes[6], false, 10, 0, 0, 0);
@@ -1685,18 +1686,18 @@ void Scene208::updateTrap() {
 	}
 
 	switch (_globals[kLeavesStatus]) {
-	case 0: {
+	case LEAVES_ON_GROUND: {
 		_globals._sequenceIndexes[2] = _scene->_sequences.startCycle(_globals._spriteIndexes[2], false, 1);
 		_scene->_sequences.setDepth(_globals._sequenceIndexes[2], 15);
 		int idx = _scene->_dynamicHotspots.add(NOUN_PILE_OF_LEAVES, VERB_WALKTO, _globals._sequenceIndexes[2], Common::Rect(0, 0, 0, 0));
 		_scene->_dynamicHotspots.setPosition(idx, Common::Point(60, 152), FACING_NORTH);
 		}
 		break;
-	case 2: {
+	case LEAVES_ON_TRAP: {
 		_scene->_sequences.setDepth(_globals._sequenceIndexes[3], 15);
 		_globals._sequenceIndexes[3] = _scene->_sequences.startCycle(_globals._spriteIndexes[3], false, 1);
 		_scene->_hotspots.activate(NOUN_DEEP_PIT, false);
-		int idx = _scene->_dynamicHotspots.add(NOUN_LEAF_COVERED_PIT, VERB_WALKTO, _globals._sequenceIndexes[2], Common::Rect(0, 0, 0, 0));
+		int idx = _scene->_dynamicHotspots.add(NOUN_LEAF_COVERED_PIT, VERB_WALKTO, _globals._sequenceIndexes[3], Common::Rect(0, 0, 0, 0));
 		_scene->_dynamicHotspots.setPosition(idx, Common::Point(100, 146), FACING_NORTH);
 		_scene->_dynamicHotspots[idx]._articleNumber = PREP_ON;
 		}
@@ -1727,7 +1728,7 @@ void Scene208::enter() {
 	} else if (_scene->_priorSceneId == 209) {
 		_game._player._playerPos = Common::Point(307, 123);
 		_game._player._facing = FACING_WEST;
-	} else if (_scene->_priorSceneId != -2) {
+	} else if (_scene->_priorSceneId != RETURNING_FROM_DIALOG) {
 		_game._player._playerPos = Common::Point(162, 149);
 		_game._player._facing = FACING_NORTH;
 	}
@@ -1745,7 +1746,8 @@ void Scene208::enter() {
 }
 
 void Scene208::step() {
-	if (_boundingFl && (_rhotundaTime <= _scene->_activeAnimation->getCurrentFrame())) {
+	if (_boundingFl && _scene->_activeAnimation &&
+			(_rhotundaTime <= _scene->_activeAnimation->getCurrentFrame())) {
 		_rhotundaTime = _scene->_activeAnimation->getCurrentFrame();
 
 		if (_rhotundaTime == 125)
@@ -1794,7 +1796,6 @@ void Scene208::preActions() {
 }
 
 void Scene208::subAction(int mode) {
-
 	switch (_game._trigger) {
 	case 0: {
 		_game._player._stepEnabled = false;
@@ -1802,21 +1803,21 @@ void Scene208::subAction(int mode) {
 		_globals._sequenceIndexes[5] = _scene->_sequences.addSpriteCycle(_globals._spriteIndexes[5], false, 6, 1, 0, 0);
 		_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[5]);
 
-		int abortVal;
+		int endTrigger;
 		if ((mode == 1) || (mode == 2))
-			abortVal = 1;
+			endTrigger = 1;
 		else
-			abortVal = 2;
+			endTrigger = 2;
 
-		_scene->_sequences.addSubEntry(_globals._sequenceIndexes[5], SEQUENCE_TRIGGER_EXPIRE, 0, abortVal);
+		_scene->_sequences.addSubEntry(_globals._sequenceIndexes[5], SEQUENCE_TRIGGER_EXPIRE, 0, endTrigger);
 		}
 		break;
 	case 1: {
-		int oldVal = _globals._sequenceIndexes[5];
-		_globals._sequenceIndexes[5] = _scene->_sequences.addSpriteCycle(_globals._spriteIndexes[6], false, 12, 3, 0, 0);
+		int oldSeq = _globals._sequenceIndexes[5];
+		_globals._sequenceIndexes[5] = _scene->_sequences.addSpriteCycle(_globals._spriteIndexes[5], false, 12, 3, 0, 0);
 		_scene->_sequences.setAnimRange(_globals._sequenceIndexes[5], 3, 4);
 		_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[5]);
-		_scene->_sequences.updateTimeout(_globals._sequenceIndexes[5], oldVal);
+		_scene->_sequences.updateTimeout(_globals._sequenceIndexes[5], oldSeq);
 		_scene->_sequences.addSubEntry(_globals._sequenceIndexes[5], SEQUENCE_TRIGGER_EXPIRE, 0, 2);
 		_vm->_sound->command(20);
 		}
@@ -2157,7 +2158,7 @@ void Scene209::handleLookRight() {
 	switch (_game._trigger) {
 	case 151:
 		_scene->_sequences.remove(_globals._sequenceIndexes[3]);
-		_globals._sequenceIndexes[3] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[3], false, 8, 2, 0, 0);
+		_globals._sequenceIndexes[3] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[3], false, 8, 2, 0, 0);
 		_scene->_sequences.setAnimRange(_globals._sequenceIndexes[3], 8, 14);
 		_scene->_sequences.addSubEntry(_globals._sequenceIndexes[3], SEQUENCE_TRIGGER_EXPIRE, 0, 152);
 		break;
@@ -2224,7 +2225,7 @@ void Scene209::handleGetBinoculars() {
 
 	case 162: {
 		int oldIdx = _globals._sequenceIndexes[3];
-		_globals._sequenceIndexes[3] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[3], false, 8, 6, 0, 0);
+		_globals._sequenceIndexes[3] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[3], false, 8, 6, 0, 0);
 		_scene->_sequences.setAnimRange(_globals._sequenceIndexes[3], 23, 25);
 		_scene->_sequences.updateTimeout(_globals._sequenceIndexes[3], oldIdx);
 		_scene->_sequences.addSubEntry(_globals._sequenceIndexes[3], SEQUENCE_TRIGGER_EXPIRE, 0, 163);
@@ -2233,7 +2234,7 @@ void Scene209::handleGetBinoculars() {
 
 	case 163: {
 		int oldIdx = _globals._sequenceIndexes[3];
-		_globals._sequenceIndexes[3] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[3], false, 8, 0, 0, 0);
+		_globals._sequenceIndexes[3] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[3], false, 8, 0, 0, 0);
 		_scene->_sequences.setAnimRange(_globals._sequenceIndexes[3], 23, 24);
 		_scene->_sequences.updateTimeout(_globals._sequenceIndexes[3], oldIdx);
 		_scene->_sequences.addTimer(8, 164);
@@ -2257,7 +2258,7 @@ void Scene209::handleBinocularBlink() {
 	case 167: {
 		int oldIdx = _globals._sequenceIndexes[3];
 		_scene->_sequences.remove(_globals._sequenceIndexes[3]);
-		_globals._sequenceIndexes[3] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[3], false, 8, 2, 0, 0);
+		_globals._sequenceIndexes[3] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[3], false, 8, 2, 0, 0);
 		_scene->_sequences.setAnimRange(_globals._sequenceIndexes[3], 23, 25);
 		_scene->_sequences.updateTimeout(_globals._sequenceIndexes[3], oldIdx);
 		_scene->_sequences.addSubEntry(_globals._sequenceIndexes[3], SEQUENCE_TRIGGER_EXPIRE, 0, 168);
@@ -2266,7 +2267,7 @@ void Scene209::handleBinocularBlink() {
 
 	case 168: {
 		int oldIdx = _globals._sequenceIndexes[3];
-		_globals._sequenceIndexes[3] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[3], false, 8, 0, 0, 0);
+		_globals._sequenceIndexes[3] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[3], false, 8, 0, 0, 0);
 		_scene->_sequences.setAnimRange(_globals._sequenceIndexes[3], 23, 24);
 		_scene->_sequences.updateTimeout(_globals._sequenceIndexes[3], oldIdx);
 		_scene->_sequences.addTimer(30, 169);
@@ -2286,7 +2287,7 @@ void Scene209::handleBinocularScan() {
 	case 171: {
 		int oldIdx = _globals._sequenceIndexes[3];
 		_scene->_sequences.remove(_globals._sequenceIndexes[3]);
-		_globals._sequenceIndexes[3] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[3], false, 12, 2, 0, 0);
+		_globals._sequenceIndexes[3] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[3], false, 12, 2, 0, 0);
 		_scene->_sequences.setAnimRange(_globals._sequenceIndexes[3], 43, 45);
 		_scene->_sequences.updateTimeout(_globals._sequenceIndexes[3], oldIdx);
 		_scene->_sequences.addSubEntry(_globals._sequenceIndexes[3], SEQUENCE_TRIGGER_EXPIRE, 0, 172);
@@ -2298,10 +2299,10 @@ void Scene209::handleBinocularScan() {
 		int randAction = _vm->getRandomNumber(1,2);
 		switch (randAction) {
 		case 1:
-			_globals._sequenceIndexes[3] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[3], false, 12, 2, 0, 0);
+			_globals._sequenceIndexes[3] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[3], false, 12, 2, 0, 0);
 			break;
 		case 2:
-			_globals._sequenceIndexes[3] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[3], false, 12, 4, 0, 0);
+			_globals._sequenceIndexes[3] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[3], false, 12, 4, 0, 0);
 			break;
 		}
 		_scene->_sequences.setAnimRange(_globals._sequenceIndexes[3], 23, 25);
@@ -2312,7 +2313,7 @@ void Scene209::handleBinocularScan() {
 
 	case 173: {
 		int oldIdx = _globals._sequenceIndexes[3];
-		_globals._sequenceIndexes[3] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[3], false, 12, 2, 0, 0);
+		_globals._sequenceIndexes[3] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[3], false, 12, 2, 0, 0);
 		_scene->_sequences.setAnimRange(_globals._sequenceIndexes[3], 26, 30);
 		_scene->_sequences.updateTimeout(_globals._sequenceIndexes[3], oldIdx);
 		_scene->_sequences.addSubEntry(_globals._sequenceIndexes[3], SEQUENCE_TRIGGER_EXPIRE, 0, 174);
@@ -2321,7 +2322,7 @@ void Scene209::handleBinocularScan() {
 
 	case 174: {
 		int oldIdx = _globals._sequenceIndexes[3];
-		_globals._sequenceIndexes[3] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[3], false, 12, 0, 0, 0);
+		_globals._sequenceIndexes[3] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[3], false, 12, 0, 0, 0);
 		_scene->_sequences.setAnimRange(_globals._sequenceIndexes[3], 23, 24);
 		_scene->_sequences.updateTimeout(_globals._sequenceIndexes[3], oldIdx);
 		_scene->_sequences.addTimer(60, 175);
@@ -2407,7 +2408,7 @@ void Scene209::handleTongue() {
 	case 185: {
 		_vm->_sound->command(18);
 		int oldIdx = _globals._sequenceIndexes[3];
-		_globals._sequenceIndexes[3] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[3], false, 6, 20, 0, 0);
+		_globals._sequenceIndexes[3] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[3], false, 6, 20, 0, 0);
 		_scene->_sequences.setAnimRange(_globals._sequenceIndexes[3], 38, 39);
 		_scene->_sequences.updateTimeout(_globals._sequenceIndexes[3], oldIdx);
 		_scene->_sequences.addSubEntry(_globals._sequenceIndexes[3], SEQUENCE_TRIGGER_EXPIRE, 0, 186);
@@ -2527,7 +2528,7 @@ void Scene209::handleMonkeyEating() {
 
 	case 200: {
 		int oldIdx = _globals._sequenceIndexes[4];
-		_globals._sequenceIndexes[4] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[4], false, 10, 10, 0, 0);
+		_globals._sequenceIndexes[4] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[4], false, 10, 10, 0, 0);
 		_scene->_sequences.setAnimRange(_globals._sequenceIndexes[4], 15, 16);
 		_scene->_sequences.updateTimeout(_globals._sequenceIndexes[4], oldIdx);
 		_scene->_sequences.addSubEntry(_globals._sequenceIndexes[4], SEQUENCE_TRIGGER_EXPIRE, 0, 201);
@@ -2556,14 +2557,14 @@ void Scene209::handleMonkeyEating() {
 
 	case 204:
 		_scene->_sequences.remove(_globals._sequenceIndexes[4]);
-		_globals._sequenceIndexes[4] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[4], false, 10, 8, 0, 0);
+		_globals._sequenceIndexes[4] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[4], false, 10, 8, 0, 0);
 		_scene->_sequences.setAnimRange(_globals._sequenceIndexes[4], 18, 19);
 		_scene->_sequences.addSubEntry(_globals._sequenceIndexes[4], SEQUENCE_TRIGGER_EXPIRE, 0, 205);
 		break;
 
 	case 205: {
 		int oldIdx = _globals._sequenceIndexes[4];
-		_globals._sequenceIndexes[4] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[4], false, 10, 8, 0, 0);
+		_globals._sequenceIndexes[4] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[4], false, 10, 8, 0, 0);
 		_scene->_sequences.setAnimRange(_globals._sequenceIndexes[4], 20, 21);
 		_scene->_sequences.updateTimeout(_globals._sequenceIndexes[4], oldIdx);
 		_scene->_sequences.addSubEntry(_globals._sequenceIndexes[4], SEQUENCE_TRIGGER_EXPIRE, 0, 206);
@@ -2588,7 +2589,7 @@ void Scene209::handleMonkeyEating() {
 		 _scene->_kernelMessages.setQuoted(msgIndex, 4, true);
 
 		 int oldIdx = _globals._sequenceIndexes[4];
-		_globals._sequenceIndexes[4] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[4], false, 15, 4, 0, 0);
+		_globals._sequenceIndexes[4] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[4], false, 15, 4, 0, 0);
 		_scene->_sequences.setAnimRange(_globals._sequenceIndexes[4], 26, 27);
 		_scene->_sequences.updateTimeout(_globals._sequenceIndexes[4], oldIdx);
 		_scene->_sequences.addSubEntry(_globals._sequenceIndexes[4], SEQUENCE_TRIGGER_EXPIRE, 0, 208);
@@ -2598,7 +2599,7 @@ void Scene209::handleMonkeyEating() {
 	case 208: {
 		_scene->_kernelMessages.add(Common::Point(180, 39), 0xFDFC, 0, 0, 90, _game.getQuote(131));
 		int oldIdx = _globals._sequenceIndexes[4];
-		_globals._sequenceIndexes[4] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[4], false, 10, 4, 0, 0);
+		_globals._sequenceIndexes[4] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[4], false, 10, 4, 0, 0);
 		_scene->_sequences.setAnimRange(_globals._sequenceIndexes[4], 28, 29);
 		_scene->_sequences.updateTimeout(_globals._sequenceIndexes[4], oldIdx);
 		_scene->_sequences.addSubEntry(_globals._sequenceIndexes[4], SEQUENCE_TRIGGER_EXPIRE, 0, 209);
@@ -2837,6 +2838,7 @@ void Scene209::enter() {
 	_globals._spriteIndexes[5] = _scene->_sprites.addSprites(formAnimName('m', 3));
 	_globals._spriteIndexes[6] = _scene->_sprites.addSprites(formAnimName('m', 6));
 	_globals._spriteIndexes[7] = _scene->_sprites.addSprites(formAnimName('m', 8));
+	_globals._spriteIndexes[11] = _scene->_sprites.addSprites("*RXMBD_2");
 
 	_game.loadQuoteSet(0x82, 0x83, 0x84, 0x9C, 0x97, 0x95, 0x99, 0x9E, 0x98, 0x9B, 0xA0, 0x96, 0x9F,
 		0x8B, 0x8C, 0x8D, 0x8E, 0x8F, 0x91, 0x92, 0x93, 0x94, 0x89, 0x85, 0x8A, 0x86, 0x87, 0x88, 0);
@@ -2854,7 +2856,7 @@ void Scene209::enter() {
 	if (_scene->_priorSceneId == 208) {
 		_game._player._playerPos = Common::Point(11, 121);
 		_game._player._facing = FACING_EAST;
-	} else if (_scene->_priorSceneId != -2) {
+	} else if (_scene->_priorSceneId != RETURNING_FROM_DIALOG) {
 		_game._player._playerPos = Common::Point(28, 121);
 		_game._player._facing = FACING_SOUTH;
 	}
@@ -3438,10 +3440,9 @@ void Scene209::actions() {
 	if (_action.isAction(VERB_TAKE, NOUN_PLANT_STALK) && (_game._trigger || _game._objects.isInRoom(OBJ_PLANT_STALK))) {
 		switch (_game._trigger) {
 		case 0:
-			_globals._spriteIndexes[11] = _scene->_sprites.addSprites("*RXMBD_2");
 			_game._player._stepEnabled = false;
 			_game._player._visible = false;
-			_globals._sequenceIndexes[11] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[11], false, 3, 2, 0, 0);
+			_globals._sequenceIndexes[11] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[11], false, 3, 2, 0, 0);
 			_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[11]);
 			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[11], SEQUENCE_TRIGGER_SPRITE, 4, 1);
 			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[11], SEQUENCE_TRIGGER_EXPIRE, 0, 2);
@@ -3460,7 +3461,6 @@ void Scene209::actions() {
 			break;
 
 		case 3:
-			_scene->_sprites.remove(_globals._spriteIndexes[11]);
 			break;
 		}
 		_action._inProgress = false;
@@ -3473,7 +3473,7 @@ void Scene209::actions() {
 			_globals._spriteIndexes[10] = _scene->_sprites.addSprites("*RXMBD_8");
 			_game._player._stepEnabled = false;
 			_game._player._visible = false;
-			_globals._sequenceIndexes[10] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[10], false, 3, 2, 0, 0);
+			_globals._sequenceIndexes[10] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[10], false, 3, 2, 0, 0);
 			_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[10]);
 			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[10], SEQUENCE_TRIGGER_SPRITE, 4, 1);
 			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[10], SEQUENCE_TRIGGER_EXPIRE, 0, 2);
@@ -4173,7 +4173,7 @@ void Scene210::enter() {
 		_game._player._playerPos = Common::Point(168, 128);
 		_game._player._facing = FACING_SOUTH;
 		_globals[kCurtainOpen] = true;
-	} else if (_scene->_priorSceneId != -2)
+	} else if (_scene->_priorSceneId != RETURNING_FROM_DIALOG)
 		_game._player._playerPos = Common::Point(308, 132);
 
 	if (!_globals[kCurtainOpen]) {
@@ -4210,7 +4210,7 @@ void Scene210::enter() {
 	_twinkleAnimationType = 0;
 	_twinklesCurrentFrame = 0;
 
-	if (_scene->_priorSceneId != -2) {
+	if (_scene->_priorSceneId != RETURNING_FROM_DIALOG) {
 		_shouldMoveHead = false;
 		_shouldFaceRex = false;
 		_shouldTalk = false;
@@ -4647,7 +4647,7 @@ void Scene211::enter() {
 		_game._player._visible = false;
 		_scene->loadAnimation(formAnimName('A', -1), 100);
 		_scene->_activeAnimation->setCurrentFrame(169);
-	} else if (_scene->_priorSceneId != -2) {
+	} else if (_scene->_priorSceneId != RETURNING_FROM_DIALOG) {
 		_game._player._playerPos = Common::Point(310, 31);
 		_game._player._facing = FACING_SOUTHWEST;
 	}
@@ -4905,7 +4905,7 @@ void Scene212::enter() {
 	if (_scene->_priorSceneId == 208) {
 		_game._player._playerPos = Common::Point(195, 85);
 		_game._player._facing = FACING_SOUTH;
-	} else if (_scene->_priorSceneId != -2) {
+	} else if (_scene->_priorSceneId != RETURNING_FROM_DIALOG) {
 		_game._player._playerPos = Common::Point(67, 117);
 		_game._player._facing = FACING_NORTHEAST;
 	}
@@ -5061,7 +5061,7 @@ void Scene214::enter() {
 		_scene->_hotspots.activate(NOUN_BLOWGUN, false);
 	}
 
-	if (_scene->_priorSceneId != -2)
+	if (_scene->_priorSceneId != RETURNING_FROM_DIALOG)
 		_game._player._playerPos = Common::Point(191, 152);
 
 	sceneEntrySound();
@@ -5257,7 +5257,7 @@ void Scene215::enter() {
 		_game._player._stepEnabled = false;
 		_globals._sequenceIndexes[3] = _scene->_sequences.startCycle(_globals._spriteIndexes[3], false, 1);
 		_scene->_sequences.addTimer(120, 70);
-	} else if (_scene->_priorSceneId != -2) {
+	} else if (_scene->_priorSceneId != RETURNING_FROM_DIALOG) {
 		_game._player._playerPos = Common::Point(204, 152);
 		_game._player._facing = FACING_NORTH;
 	}
@@ -5290,7 +5290,7 @@ void Scene215::actions() {
 				if (_globals[kSexOfRex] == REX_MALE) {
 					_game._player._visible = false;
 					_game._player._stepEnabled = false;
-					_globals._sequenceIndexes[2] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[2], false, 6, 2, 0, 0);
+					_globals._sequenceIndexes[2] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[2], false, 6, 2, 0, 0);
 					_scene->_sequences.setAnimRange(_globals._sequenceIndexes[2], 1, 4);
 					_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[2]);
 					_scene->_sequences.addSubEntry(_globals._sequenceIndexes[2], SEQUENCE_TRIGGER_LOOP, 0, 1);
diff --git a/engines/mads/nebular/nebular_scenes2.h b/engines/mads/nebular/nebular_scenes2.h
index c860db9470..0ea4702eea 100644
--- a/engines/mads/nebular/nebular_scenes2.h
+++ b/engines/mads/nebular/nebular_scenes2.h
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
diff --git a/engines/mads/nebular/nebular_scenes3.cpp b/engines/mads/nebular/nebular_scenes3.cpp
index bcedf95a27..5a6edbf995 100644
--- a/engines/mads/nebular/nebular_scenes3.cpp
+++ b/engines/mads/nebular/nebular_scenes3.cpp
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
@@ -370,7 +370,7 @@ void Scene304::enter() {
 		_globals._spriteIndexes[2] = _scene->_sprites.addSprites(formAnimName('a', 1));
 		_globals._spriteIndexes[3] = _scene->_sprites.addSprites(formAnimName('b', 0));
 
-		_globals._sequenceIndexes[3] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[3], false, 150, 0, 3, 0);
+		_globals._sequenceIndexes[3] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[3], false, 150, 0, 3, 0);
 		_scene->_sequences.setDepth(_globals._sequenceIndexes[3], 2);
 		_vm->_palette->setEntry(252, 45, 63, 45);
 		_vm->_palette->setEntry(253, 20, 45, 20);
@@ -521,11 +521,11 @@ void Scene307::setup() {
 	setPlayerSpritesPrefix();
 	setAAName();
 	_scene->addActiveVocab(NOUN_AIR_VENT);
-	_scene->addActiveVocab(NOUN_CLIMB_INTO);
+	_scene->addActiveVocab(VERB_CLIMB_INTO);
 }
 
 void Scene307::handleRexDialog(int quote) {
-	Common::String curQuote = _game.getQuote(_action._activeAction._verbId);
+	Common::String curQuote = _game.getQuote(quote);
 	if (_vm->_font->getWidth(curQuote, _scene->_textSpacing) > 200) {
 		Common::String subQuote1;
 		_game.splitQuote(curQuote, subQuote1, _subQuote2);
@@ -769,7 +769,7 @@ void Scene307::enter() {
 		_dialog2.write(0x11E, true);
 
 
-	if (_scene->_priorSceneId == -2) {
+	if (_scene->_priorSceneId == RETURNING_FROM_DIALOG) {
 		if (_grateOpenedFl)
 			_vm->_sound->command(10);
 		else
@@ -953,7 +953,7 @@ void Scene307::actions() {
 
 		case 2: {
 			int oldIdx = _globals._sequenceIndexes[5];
-			_globals._sequenceIndexes[5] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[5], false, 12, 6, 0, 0);
+			_globals._sequenceIndexes[5] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[5], false, 12, 6, 0, 0);
 			_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[5]);
 			_scene->_sequences.setAnimRange(_globals._sequenceIndexes[5], 2, 3);
 			_scene->_sequences.updateTimeout(_globals._sequenceIndexes[5], oldIdx);
@@ -992,7 +992,7 @@ void Scene307::actions() {
 			_scene->_sequences.remove(_globals._sequenceIndexes[5]);
 			_grateOpenedFl = true;
 			_scene->_hotspots.activate(17, false);
-			int idx = _scene->_dynamicHotspots.add(17, NOUN_CLIMB_INTO, -1, Common::Rect(117, 67, 117 + 19, 67 + 13));
+			int idx = _scene->_dynamicHotspots.add(17, VERB_CLIMB_INTO, -1, Common::Rect(117, 67, 117 + 19, 67 + 13));
 			int hotspotId = _scene->_dynamicHotspots.setPosition(idx, Common::Point(129, 104), FACING_NORTH);
 			_scene->_dynamicHotspots.setCursor(hotspotId, CURSOR_GO_UP);
 			_game._objects.removeFromInventory(OBJ_SCALPEL, NOWHERE);
@@ -1245,7 +1245,7 @@ void Scene308::step() {
 	switch (_game._trigger) {
 	case 70: {
 		_scene->_sequences.remove(_globals._sequenceIndexes[3]);
-		_globals._sequenceIndexes[3] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[3], false, 18, 9, 0, 0);
+		_globals._sequenceIndexes[3] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[3], false, 18, 9, 0, 0);
 		_scene->_sequences.setAnimRange(_globals._sequenceIndexes[3], 2, 3);
 		_scene->_sequences.setDepth(_globals._sequenceIndexes[3], 9);
 		_scene->_kernelMessages.reset();
@@ -1266,7 +1266,7 @@ void Scene308::step() {
 
 	case 72:
 		_scene->_sequences.remove(_globals._sequenceIndexes[3]);
-		_globals._sequenceIndexes[3] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[3], false, 20, 5, 0, 0);
+		_globals._sequenceIndexes[3] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[3], false, 20, 5, 0, 0);
 		_scene->_sequences.setAnimRange(_globals._sequenceIndexes[3], 3, 4);
 		_scene->_sequences.setDepth(_globals._sequenceIndexes[3], 9);
 		_scene->_kernelMessages.reset();
@@ -1284,7 +1284,7 @@ void Scene308::step() {
 
 	case 74: {
 		_scene->_sequences.remove(_globals._sequenceIndexes[3]);
-		_globals._sequenceIndexes[3] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[3], false, 20, 8, 0, 0);
+		_globals._sequenceIndexes[3] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[3], false, 20, 8, 0, 0);
 		_scene->_sequences.setAnimRange(_globals._sequenceIndexes[3], 6, 7);
 		_scene->_sequences.setDepth(_globals._sequenceIndexes[3], 9);
 		_scene->_kernelMessages.reset();
@@ -1306,7 +1306,7 @@ void Scene308::step() {
 
 	case 76: {
 		int seqIdx = _globals._sequenceIndexes[3];
-		_globals._sequenceIndexes[3] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[3], false, 26, 0, 0, 0);
+		_globals._sequenceIndexes[3] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[3], false, 26, 0, 0, 0);
 		_scene->_sequences.setAnimRange(_globals._sequenceIndexes[3], 2, 3);
 		_scene->_sequences.setDepth(_globals._sequenceIndexes[3], 9);
 		_scene->_kernelMessages.reset();
@@ -1441,7 +1441,7 @@ void Scene309::step() {
 		case 70: {
 			int idx = _scene->_dynamicHotspots.add(689, 690, _globals._sequenceIndexes[3], Common::Rect(0, 0, 0, 0));
 			_scene->_dynamicHotspots.setPosition(idx, Common::Point(142, 146), FACING_NORTHEAST);
-			_globals._sequenceIndexes[3] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[3], false, 7, 4, 0, 0);
+			_globals._sequenceIndexes[3] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[3], false, 7, 4, 0, 0);
 			_scene->_sequences.setAnimRange(_globals._sequenceIndexes[3], 2, 3);
 			_scene->_sequences.setDepth(_globals._sequenceIndexes[3], 11);
 			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[3], SEQUENCE_TRIGGER_EXPIRE, 0, 71);
@@ -1462,7 +1462,7 @@ void Scene309::step() {
 
 		case 72: {
 			int _oldIdx = _globals._sequenceIndexes[3];
-			_globals._sequenceIndexes[3] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[3], false, 7, 8, 0, 0);
+			_globals._sequenceIndexes[3] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[3], false, 7, 8, 0, 0);
 			_scene->_sequences.setAnimRange(_globals._sequenceIndexes[3], 8, 11);
 			_scene->_sequences.setDepth(_globals._sequenceIndexes[3], 11);
 			_scene->_sequences.updateTimeout(_globals._sequenceIndexes[3], _oldIdx);
@@ -1484,7 +1484,7 @@ void Scene309::step() {
 
 		case 74: {
 			int _oldIdx = _globals._sequenceIndexes[3];
-			_globals._sequenceIndexes[3] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[3], false, 7, 6, 0, 0);
+			_globals._sequenceIndexes[3] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[3], false, 7, 6, 0, 0);
 			_scene->_sequences.setAnimRange(_globals._sequenceIndexes[3], 21, 23);
 			_scene->_sequences.setDepth(_globals._sequenceIndexes[3], 11);
 			_scene->_sequences.updateTimeout(_globals._sequenceIndexes[3], _oldIdx);
@@ -1494,7 +1494,7 @@ void Scene309::step() {
 
 		case 75: {
 			int _oldIdx = _globals._sequenceIndexes[3];
-			_globals._sequenceIndexes[3] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[3], false, 12, 6, 0, 0);
+			_globals._sequenceIndexes[3] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[3], false, 12, 6, 0, 0);
 			_scene->_sequences.setAnimRange(_globals._sequenceIndexes[3], 24, 25);
 			_scene->_sequences.updateTimeout(_globals._sequenceIndexes[3], _oldIdx);
 			_scene->_sequences.setDepth(_globals._sequenceIndexes[3], 11);
@@ -1513,7 +1513,7 @@ void Scene309::step() {
 			break;
 
 		case 77: {
-			_globals._sequenceIndexes[3] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[3], false, 90, 0, 0, 0);
+			_globals._sequenceIndexes[3] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[3], false, 90, 0, 0, 0);
 			_scene->_sequences.setAnimRange(_globals._sequenceIndexes[3], 29, 30);
 			_scene->_sequences.setDepth(_globals._sequenceIndexes[3], 11);
 			int idx = _scene->_kernelMessages.add(Common::Point(15, 46), 0xFDFC, 0, 0, 120, _game.getQuote(247));
@@ -1618,7 +1618,7 @@ void Scene311::enter() {
 	else if (_scene->_priorSceneId == 320) {
 		_game._player._playerPos = Common::Point(129, 113);
 		_game._player._facing = FACING_SOUTH;
-	} else if (_scene->_priorSceneId != -2) {
+	} else if (_scene->_priorSceneId != RETURNING_FROM_DIALOG) {
 		_game._player._visible = false;
 		_game._player._stepEnabled = false;
 		_scene->loadAnimation(formAnimName('a', -1), 70);
@@ -1749,7 +1749,7 @@ void Scene311::actions() {
 	else if (_checkGuardFl) {
 		_checkGuardFl = false;
 		_scene->_kernelMessages.reset();
-		_scene->_kernelMessages.addQuote(0xFA, 120, 0);
+		_scene->_kernelMessages.addQuote(250, 0, 240);
 	} else if (_action.isAction(VERB_SIT_AT, NOUN_DESK))
 		_scene->_nextSceneId = 320;
 	else if (_action.isAction(VERB_CLIMB_INTO, NOUN_AIR_VENT)) {
@@ -1896,7 +1896,7 @@ void Scene313::enter() {
 	} else if (_scene->_priorSceneId == 388) {
 		_game._player._playerPos = Common::Point(199, 70);
 		_game._player._facing = FACING_WEST;
-	} else if (_scene->_priorSceneId != -2) {
+	} else if (_scene->_priorSceneId != RETURNING_FROM_DIALOG) {
 		_game._player._playerPos = Common::Point(234, 70);
 		_game._player._facing = FACING_WEST;
 	}
@@ -1965,7 +1965,7 @@ void Scene316::handleRexInGrate() {
 
 	case 1:
 		_scene->_sequences.setDone(_globals._sequenceIndexes[4]);
-		_globals._sequenceIndexes[4] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[4], false, 12, 3, 0, 0);
+		_globals._sequenceIndexes[4] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[4], false, 12, 3, 0, 0);
 		_scene->_sequences.setAnimRange(_globals._sequenceIndexes[4], 2, 3);
 		_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[4]);
 		_scene->_sequences.addSubEntry(_globals._sequenceIndexes[4], SEQUENCE_TRIGGER_EXPIRE, 0, 2);
@@ -2085,7 +2085,7 @@ void Scene316::handleRoxInGrate() {
 
 	case 1:
 		_scene->_sequences.setDone(_globals._sequenceIndexes[5]);
-		_globals._sequenceIndexes[5] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[5], false, 17, 3, 0, 0);
+		_globals._sequenceIndexes[5] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[5], false, 17, 3, 0, 0);
 		_scene->_sequences.setAnimRange(_globals._sequenceIndexes[5], 2, 3);
 		_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[5]);
 		_scene->_sequences.addSubEntry(_globals._sequenceIndexes[5], SEQUENCE_TRIGGER_EXPIRE, 0, 2);
@@ -2215,7 +2215,7 @@ void Scene316::enter() {
 		_globals._sequenceIndexes[1] = _scene->_sequences.addReverseSpriteCycle(_globals._spriteIndexes[spriteIdx], false, 6, 1, 0, 0);
 		_scene->_sequences.setDepth(_globals._sequenceIndexes[1], 2);
 		_scene->_sequences.addSubEntry(_globals._sequenceIndexes[1], SEQUENCE_TRIGGER_EXPIRE, 0, 60);
-	} else if (_scene->_priorSceneId != -2)
+	} else if (_scene->_priorSceneId != RETURNING_FROM_DIALOG)
 		_game._player._playerPos = Common::Point(291, 126);
 
 	sceneEntrySound();
@@ -2523,7 +2523,7 @@ void Scene318::handleDialog() {
 		case 0x19C:
 		case 0x19D:
 			_scene->_sequences.remove(_globals._sequenceIndexes[2]);
-			_globals._sequenceIndexes[2] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[2], false, 8, 1, 0, 0);
+			_globals._sequenceIndexes[2] = _scene->_sequences.addReverseSpriteCycle(_globals._spriteIndexes[2], false, 8, 1, 0, 0);
 			_scene->_sequences.setDepth(_globals._sequenceIndexes[2], 1);
 			_scene->_sequences.setPosition(_globals._sequenceIndexes[2], Common::Point(142, 121));
 			_scene->_sequences.setAnimRange(_globals._sequenceIndexes[2], 6, 8);
@@ -2581,6 +2581,12 @@ void Scene318::handleInternDialog(int quoteId, int quoteNum, uint32 timeout) {
 	_scene->_kernelMessages.reset();
 	_internTalkingFl = true;
 
+	// WORKAROUND: In case the player launches multiple talk selections with the
+	// intern before previous ones have finished, take care of removing any
+	int seqIndex;
+	while ((seqIndex = _scene->_sequences.findByTrigger(63)) != -1)
+		_scene->_sequences.remove(seqIndex);
+
 	for (int i = 0; i < quoteNum; i++) {
 		_game._triggerSetupMode = SEQUENCE_TRIGGER_DAEMON;
 		_scene->_sequences.addTimer(180, 63);
@@ -2611,7 +2617,7 @@ void Scene318::enter() {
 
 	if (_scene->_priorSceneId == 357)
 		_game._player._playerPos = Common::Point(15, 110);
-	else if (_scene->_priorSceneId != -2)
+	else if (_scene->_priorSceneId != RETURNING_FROM_DIALOG)
 		_game._player._playerPos = Common::Point(214, 152);
 
 	_dialog1.setup(0x47, 0x191, 0x192, 0x193, 0x194, 0x195, 0x196, 0x197, 0x198, 0x199, 0x19A, 0x19B, 0x19C, 0x19D, 0);
@@ -2632,7 +2638,7 @@ void Scene318::enter() {
 	_lastFrame = 0;
 	_scene->_hotspots.activate(NOUN_INTERN, false);
 
-	if (_scene->_priorSceneId != -2) {
+	if (_scene->_priorSceneId != RETURNING_FROM_DIALOG) {
 		_dialogFl = false;
 		_internWalkingFl = false;
 		_counter= 0;
@@ -2649,7 +2655,8 @@ void Scene318::enter() {
 		0x1C8, 0x1C9, 0x1CA, 0x1CB, 0x1CC, 0x1CD, 0x1CE, 0x1CF, 0x1D0, 0x1D1, 0x1D2, 0x1D3,
 		0x190, 0x19D, 0);
 
-	if ((_scene->_priorSceneId== -2) || (((_scene->_priorSceneId == 318) || (_scene->_priorSceneId == -1)) && (!_globals[kAfterHavoc]))) {
+	if ((_scene->_priorSceneId == RETURNING_FROM_DIALOG) || (((_scene->_priorSceneId == 318) || 
+			(_scene->_priorSceneId == RETURNING_FROM_LOADING)) && (!_globals[kAfterHavoc]))) {
 		if (!_globals[kAfterHavoc]) {
 			_game._player._visible = false;
 			_globals._spriteIndexes[2] = _scene->_sprites.addSprites(formAnimName('g', -1));
@@ -2883,7 +2890,7 @@ void Scene318::actions() {
 		case 0:
 			_game._player._stepEnabled = false;
 			_scene->_sequences.remove(_globals._sequenceIndexes[2]);
-			_globals._sequenceIndexes[2] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[2], false, 8, 2, 0, 80);
+			_globals._sequenceIndexes[2] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[2], false, 8, 2, 0, 80);
 			_scene->_sequences.setDepth(_globals._sequenceIndexes[2], 1);
 			_scene->_sequences.setPosition(_globals._sequenceIndexes[2], Common::Point(142, 121));
 			_scene->_sequences.setAnimRange(_globals._sequenceIndexes[2], 2, 5);
@@ -3113,7 +3120,7 @@ void Scene319::enter() {
 	_dialog2.setup(0x44, 0x171, 0x172, 0x173, 0x174, 0x175, 0x176, 0);
 	_dialog3.setup(0x45, 0x17D, 0x17E, 0x17F, 0x180, 0x181, 0x182, 0x183, 0);
 
-	if (_scene->_priorSceneId != -2) {
+	if (_scene->_priorSceneId != RETURNING_FROM_DIALOG) {
 		_dialog1.set(0x165, 0x166, 0x167, 0x168, 0);
 		_dialog2.set(0x171, 0x172, 0x173, 0x174, 0);
 		_dialog3.set(0x17D, 0x17E, 0x17F, 0x180, 0);
@@ -3136,7 +3143,7 @@ void Scene319::enter() {
 
 	_scene->loadAnimation(formAnimName('b', 0));
 
-	if (_scene->_priorSceneId != -2) {
+	if (_scene->_priorSceneId != RETURNING_FROM_DIALOG) {
 		_animMode = 1;
 		_nextAction1 = 2;
 		_nextAction2 = 2;
@@ -3306,7 +3313,7 @@ void Scene319::step() {
 
 	switch (_game._trigger) {
 	case 70:
-	case 71:
+	case 71: {
 		_animMode = 1;
 		_nextAction1 = _nextAction2;
 		_animFrame = 0;
@@ -3329,7 +3336,14 @@ void Scene319::step() {
 			_scene->_sequences.updateTimeout(_globals._sequenceIndexes[i], oldIdx);
 		}
 		_scene->_sequences.addSubEntry(_globals._sequenceIndexes[0], SEQUENCE_TRIGGER_EXPIRE, 0, 74);
+
+		// WORKAROUND: This fixes the game sometimes going into an endless waiting
+		// loop even after the doctor has finished hitting Rex. Note sure if it's due
+		// to a bug in room script or in the engine, but this at least fixes it
+		int seqIndex = _scene->_sequences.findByTrigger(2);
+		_scene->_sequences[seqIndex]._doneFlag = false;
 		break;
+	}
 
 	case 72:
 		_vm->_palette->setColorFlags(0xFF, 0, 0);
@@ -3588,7 +3602,7 @@ void Scene320::setLeftView(int view) {
 		_scene->_sequences.remove(_globals._sequenceIndexes[0]);
 
 	if (view != 10) {
-		_globals._sequenceIndexes[0] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[view], false, 6, 0, 0, 18);
+		_globals._sequenceIndexes[0] = _scene->_sequences.addReverseSpriteCycle(_globals._spriteIndexes[view], false, 6, 0, 0, 18);
 		_scene->_sequences.setDepth(_globals._sequenceIndexes[0], 0);
 		if (!_blinkFl)
 			_scene->_sequences.setAnimRange(_globals._sequenceIndexes[0], 2, 2);
@@ -3752,7 +3766,7 @@ void Scene320::actions() {
 		case 0:
 			_game._player._stepEnabled = false;
 			handleButtons();
-			_globals._sequenceIndexes[18] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[18], _flippedFl, 4, 2, 0, 0);
+			_globals._sequenceIndexes[18] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[18], _flippedFl, 4, 2, 0, 0);
 			_scene->_sequences.setScale(_globals._sequenceIndexes[18], 60);
 			_scene->_sequences.setPosition(_globals._sequenceIndexes[18], Common::Point(_posX, 170));
 			_scene->_sequences.setDepth(_globals._sequenceIndexes[18], 0);
@@ -3825,7 +3839,7 @@ void Scene320::actions() {
 	else if (_action.isAction(VERB_LOOK, NOUN_DOUGHNUT))
 		_vm->_dialogs->show(32006);
 	else if (_action.isAction(VERB_LOOK, NOUN_MAGAZINE))
-		_vm->_dialogs->show(32006);
+		_vm->_dialogs->show(32007);
 	else if (_action.isAction(VERB_LOOK, NOUN_PAPER_FOOTBALL))
 		_vm->_dialogs->show(32008);
 	else if (_action.isAction(VERB_LOOK, NOUN_NEWSPAPER))
@@ -3975,7 +3989,7 @@ void Scene351::enter() {
 
 	if (_scene->_priorSceneId == 352)
 		_game._player._playerPos = Common::Point(148, 152);
-	else if (_scene->_priorSceneId != -2) {
+	else if (_scene->_priorSceneId != RETURNING_FROM_DIALOG) {
 		_game._player._playerPos = Common::Point(207, 81);
 		_game._player._facing = FACING_NORTH;
 	}
@@ -4053,12 +4067,12 @@ void Scene351::actions() {
 				_game._player._stepEnabled = false;
 				_game._player._visible = false;
 				if (_globals[kSexOfRex] == REX_FEMALE) {
-					_globals._sequenceIndexes[2] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[2], false, 5, 2, 0, 0);
+					_globals._sequenceIndexes[2] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[2], false, 5, 2, 0, 0);
 					_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[2]);
 					_scene->_sequences.addSubEntry(_globals._sequenceIndexes[2], SEQUENCE_TRIGGER_SPRITE, 5, 1);
 					_scene->_sequences.addSubEntry(_globals._sequenceIndexes[2], SEQUENCE_TRIGGER_EXPIRE, 0, 2);
 				} else {
-					_globals._sequenceIndexes[3] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[3], false, 5, 2, 0, 0);
+					_globals._sequenceIndexes[3] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[3], false, 5, 2, 0, 0);
 					_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[3]);
 					_scene->_sequences.addSubEntry(_globals._sequenceIndexes[3], SEQUENCE_TRIGGER_SPRITE, 6, 1);
 					_scene->_sequences.addSubEntry(_globals._sequenceIndexes[3], SEQUENCE_TRIGGER_EXPIRE, 0, 2);
@@ -4152,7 +4166,7 @@ void Scene352::setup() {
 void Scene352::putArmDown(bool corridorExit, bool doorwayExit) {
 	switch (_game._trigger) {
 	case 0:
-		_scene->_kernelMessages.add(Common::Point(0, 0), 0x1110, 34, 0, 60, _game.getQuote(0xFF));
+		_scene->_kernelMessages.add(Common::Point(0, 0), 0x1110, 34, 0, 120, _game.getQuote(0xFF));
 		_scene->_sequences.addTimer(48, 1);
 		break;
 
@@ -4160,12 +4174,12 @@ void Scene352::putArmDown(bool corridorExit, bool doorwayExit) {
 		_game._player._stepEnabled = false;
 		_game._player._visible = false;
 		if (_globals[kSexOfRex] == REX_FEMALE) {
-			_globals._sequenceIndexes[3] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[3], false, 5, 2, 0, 0);
+			_globals._sequenceIndexes[3] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[3], false, 5, 2, 0, 0);
 			_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[3]);
 			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[3], SEQUENCE_TRIGGER_SPRITE, 5, 2);
 			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[3], SEQUENCE_TRIGGER_EXPIRE, 0, 3);
 		} else {
-			_globals._sequenceIndexes[4] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[4], false, 5, 2, 0, 0);
+			_globals._sequenceIndexes[4] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[4], false, 5, 2, 0, 0);
 			_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[4]);
 			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[4], SEQUENCE_TRIGGER_SPRITE, 6, 2);
 			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[4], SEQUENCE_TRIGGER_EXPIRE, 0, 3);
@@ -4197,7 +4211,6 @@ void Scene352::putArmDown(bool corridorExit, bool doorwayExit) {
 
 	case 4:
 		_game._player.walk(Common::Point(116, 107), FACING_NORTH);
-		_game._player._stepEnabled = true;
 		_mustPutArmDownFl = false;
 		_scene->_sequences.addTimer(180, 5);
 		_leaveRoomFl = true;
@@ -4261,7 +4274,7 @@ void Scene352::enter() {
 
 	_vaultOpenFl = false;
 
-	if (_scene->_priorSceneId != -2) {
+	if (_scene->_priorSceneId != RETURNING_FROM_DIALOG) {
 		_mustPutArmDownFl = false;
 		if (!_game._visitedScenes._sceneRevisited)
 			_globals[kHaveYourStuff] = false;
@@ -4276,7 +4289,7 @@ void Scene352::enter() {
 
 	if (_scene->_priorSceneId == 353)
 		_game._player._playerPos = Common::Point(171, 155);
-	else if (_scene->_priorSceneId != -2)
+	else if (_scene->_priorSceneId != RETURNING_FROM_DIALOG)
 		_game._player._playerPos = Common::Point(116, 107);
 
 	sceneEntrySound();
@@ -4305,7 +4318,7 @@ void Scene352::preActions() {
 				_game._player._stepEnabled = false;
 				_scene->_sequences.remove(_commonSequenceIdx);
 				_vm->_sound->command(20);
-				_commonSequenceIdx = _scene->_sequences.startReverseCycle(_commonSpriteIndex, false, 6, 1, 0, 0);
+				_commonSequenceIdx = _scene->_sequences.addReverseSpriteCycle(_commonSpriteIndex, false, 6, 1, 0, 0);
 				_scene->_sequences.addSubEntry(_commonSequenceIdx, SEQUENCE_TRIGGER_EXPIRE, 0, 1);
 				_scene->_sequences.setDepth(_commonSequenceIdx, 15);
 			}
@@ -4364,7 +4377,7 @@ void Scene352::actions() {
 
 			case 1: {
 				_vm->_sound->command(21);
-				_globals._sequenceIndexes[12] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[12], false, 7, 2, 20, 0);
+				_globals._sequenceIndexes[12] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[12], false, 7, 2, 20, 0);
 				_scene->_sequences.setDepth(_globals._sequenceIndexes[12], FACING_NORTH);
 				int oldIdx = _commonSequenceIdx;
 				_commonSequenceIdx = _scene->_sequences.startCycle(_commonSpriteIndex, false, -2);
@@ -4376,7 +4389,7 @@ void Scene352::actions() {
 			case 2:
 				_vm->_sound->command(22);
 				_scene->_sequences.remove(_commonSequenceIdx);
-				_commonSequenceIdx = _scene->_sequences.startReverseCycle(_commonSpriteIndex, false, 8, 1, 0, 0);
+				_commonSequenceIdx = _scene->_sequences.startPingPongCycle(_commonSpriteIndex, false, 8, 1, 0, 0);
 				_scene->_sequences.setAnimRange(_commonSequenceIdx, 1, 3);
 				_scene->_sequences.addSubEntry(_commonSequenceIdx, SEQUENCE_TRIGGER_EXPIRE, 0, 3);
 				break;
@@ -4431,12 +4444,12 @@ void Scene352::actions() {
 				_game._player._stepEnabled = false;
 				_game._player._visible = false;
 				if (_globals[kSexOfRex] == REX_FEMALE) {
-					_globals._sequenceIndexes[3] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[3], false, 5, 2, 0, 0);
+					_globals._sequenceIndexes[3] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[3], false, 5, 2, 0, 0);
 					_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[3]);
 					_scene->_sequences.addSubEntry(_globals._sequenceIndexes[3], SEQUENCE_TRIGGER_SPRITE, 5, 1);
 					_scene->_sequences.addSubEntry(_globals._sequenceIndexes[3], SEQUENCE_TRIGGER_EXPIRE, 0, 2);
 				} else {
-					_globals._sequenceIndexes[4] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[4], false, 5, 2, 0, 0);
+					_globals._sequenceIndexes[4] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[4], false, 5, 2, 0, 0);
 					_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[4]);
 					_scene->_sequences.addSubEntry(_globals._sequenceIndexes[4], SEQUENCE_TRIGGER_SPRITE, 6, 1);
 					_scene->_sequences.addSubEntry(_globals._sequenceIndexes[4], SEQUENCE_TRIGGER_EXPIRE, 0, 2);
@@ -4478,7 +4491,7 @@ void Scene352::actions() {
 
 			case 1: {
 				_vm->_sound->command(21);
-				_globals._sequenceIndexes[12] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[12], false, 7, 2, 20, 0);
+				_globals._sequenceIndexes[12] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[12], false, 7, 2, 20, 0);
 				_scene->_sequences.setDepth(_globals._sequenceIndexes[12], 8);
 				int oldIdx = _commonSequenceIdx;
 				_commonSequenceIdx = _scene->_sequences.startCycle(_commonSpriteIndex, false, -2);
@@ -4490,7 +4503,7 @@ void Scene352::actions() {
 			case 2:
 				_vm->_sound->command(23);
 				_scene->_sequences.remove(_commonSequenceIdx);
-				_commonSequenceIdx = _scene->_sequences.startReverseCycle(_commonSpriteIndex, false, 8, 1, 0, 0);
+				_commonSequenceIdx = _scene->_sequences.addReverseSpriteCycle(_commonSpriteIndex, false, 8, 1, 0, 0);
 				_scene->_sequences.setAnimRange(_commonSequenceIdx, 1, 4);
 				_scene->_sequences.addSubEntry(_commonSequenceIdx, SEQUENCE_TRIGGER_EXPIRE, 0, 3);
 				break;
@@ -4545,13 +4558,13 @@ void Scene352::actions() {
 			_game._player._stepEnabled = false;
 			_game._player._visible = false;
 			if (_globals[kSexOfRex] == REX_MALE) {
-				_globals._sequenceIndexes[14] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[14], false, 8, 1, 0, 0);
+				_globals._sequenceIndexes[14] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[14], false, 8, 1, 0, 0);
 				_scene->_sequences.setAnimRange(_globals._sequenceIndexes[14], 1, 2);
 				_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[14]);
 				_scene->_sequences.addSubEntry(_globals._sequenceIndexes[14], SEQUENCE_TRIGGER_SPRITE, 2, 1);
 				_scene->_sequences.addSubEntry(_globals._sequenceIndexes[14], SEQUENCE_TRIGGER_EXPIRE, 0, 2);
 			} else {
-				_globals._sequenceIndexes[15] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[15], false, 8, 1, 0, 0);
+				_globals._sequenceIndexes[15] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[15], false, 8, 1, 0, 0);
 				_scene->_sequences.setAnimRange(_globals._sequenceIndexes[15], 1, 2);
 				_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[15]);
 				_scene->_sequences.addSubEntry(_globals._sequenceIndexes[15], SEQUENCE_TRIGGER_SPRITE, 2, 1);
@@ -4592,12 +4605,12 @@ void Scene352::actions() {
 			_game._player._stepEnabled = false;
 			_game._player._visible = false;
 			if (_globals[kSexOfRex] == REX_MALE) {
-				_globals._sequenceIndexes[6] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[6], true, 6, 2, 0, 0);
+				_globals._sequenceIndexes[6] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[6], true, 6, 2, 0, 0);
 				_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[6]);
 				_scene->_sequences.addSubEntry(_globals._sequenceIndexes[6], SEQUENCE_TRIGGER_SPRITE, 6, 1);
 				_scene->_sequences.addSubEntry(_globals._sequenceIndexes[6], SEQUENCE_TRIGGER_EXPIRE, 0, 2);
 			} else {
-				_globals._sequenceIndexes[7] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[7], true, 6, 2, 0, 0);
+				_globals._sequenceIndexes[7] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[7], true, 6, 2, 0, 0);
 				_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[7]);
 				_scene->_sequences.addSubEntry(_globals._sequenceIndexes[7], SEQUENCE_TRIGGER_SPRITE, 6, 1);
 				_scene->_sequences.addSubEntry(_globals._sequenceIndexes[7], SEQUENCE_TRIGGER_EXPIRE, 0, 2);
@@ -4745,7 +4758,7 @@ void Scene354::enter() {
 		_game._player._facing = FACING_NORTH;
 	} else if (_scene->_priorSceneId == 316)
 		_game._player._playerPos = Common::Point(71, 107);
-	else if (_scene->_priorSceneId != -2)
+	else if (_scene->_priorSceneId != RETURNING_FROM_DIALOG)
 		_game._player._playerPos = Common::Point(167, 57);
 
 	sceneEntrySound();
@@ -4812,7 +4825,7 @@ void Scene357::enter() {
 		_game._player._playerPos = Common::Point(298, 142);
 	else if (_scene->_priorSceneId == 313)
 		_game._player._playerPos = Common::Point(127, 101);
-	else if (_scene->_priorSceneId != -2)
+	else if (_scene->_priorSceneId != RETURNING_FROM_DIALOG)
 		_game._player._playerPos = Common::Point(15, 148);
 
 	sceneEntrySound();
@@ -4876,7 +4889,7 @@ void Scene358::enter() {
 
 	if (_scene->_priorSceneId == 357)
 		_game._player._playerPos = Common::Point(305, 142);
-	else if (_scene->_priorSceneId != -2)
+	else if (_scene->_priorSceneId != RETURNING_FROM_DIALOG)
 		_game._player._playerPos = Common::Point(12, 141);
 
 	sceneEntrySound();
@@ -4952,7 +4965,7 @@ void Scene359::enter() {
 
 	if (_scene->_priorSceneId == 358)
 		_game._player._playerPos = Common::Point(301, 141);
-	else if (_scene->_priorSceneId != -2)
+	else if (_scene->_priorSceneId != RETURNING_FROM_DIALOG)
 		_game._player._playerPos = Common::Point(15, 148);
 
 	sceneEntrySound();
@@ -4980,12 +4993,12 @@ void Scene359::actions() {
 				_game._player._visible = false;
 				_vm->_dialogs->show(35920);
 				if (_globals[kSexOfRex] == REX_MALE) {
-					_globals._sequenceIndexes[2] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[2], false, 4, 2, 0, 0);
+					_globals._sequenceIndexes[2] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[2], false, 4, 2, 0, 0);
 					_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[2]);
 					_scene->_sequences.addSubEntry(_globals._sequenceIndexes[2], SEQUENCE_TRIGGER_SPRITE, 6, 1);
 					_scene->_sequences.addSubEntry(_globals._sequenceIndexes[2], SEQUENCE_TRIGGER_EXPIRE, 0, 2);
 				} else {
-					_globals._sequenceIndexes[4] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[4], true, 7, 2, 0, 0);
+					_globals._sequenceIndexes[4] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[4], true, 7, 2, 0, 0);
 					_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[4]);
 					_scene->_sequences.setPosition(_globals._sequenceIndexes[4], Common::Point(106, 110));
 					_scene->_sequences.addSubEntry(_globals._sequenceIndexes[4], SEQUENCE_TRIGGER_SPRITE, 6, 1);
@@ -5075,7 +5088,7 @@ void Scene360::enter() {
 
 	if (_scene->_priorSceneId == 359)
 		_game._player._playerPos = Common::Point(304, 143);
-	else if (_scene->_priorSceneId != -2)
+	else if (_scene->_priorSceneId != RETURNING_FROM_DIALOG)
 		_game._player._playerPos = Common::Point(13, 141);
 
 	sceneEntrySound();
@@ -5341,7 +5354,7 @@ void Scene361::enter() {
 	else if (_scene->_priorSceneId == 320) {
 		_game._player._playerPos = Common::Point(129, 113);
 		_game._player._facing = FACING_SOUTH;
-	} else if (_scene->_priorSceneId != -2)
+	} else if (_scene->_priorSceneId != RETURNING_FROM_DIALOG)
 		_game._player._playerPos = Common::Point(13, 145);
 
 	_game.loadQuoteSet(0xFB, 0xFC, 0);
@@ -5466,7 +5479,7 @@ void Scene361::actions() {
 		_vm->_dialogs->show(36119);
 	else if (_action.isAction(VERB_SIT_AT, NOUN_DESK)) {
 		_scene->_kernelMessages.reset();
-		_scene->_kernelMessages.addQuote(0xFC, 120, 0);
+		_scene->_kernelMessages.addQuote(252, 0, 120);
 	} else if (_action.isAction(VERB_CLIMB_INTO, NOUN_AIR_VENT)) {
 		if (_globals[kSexOfRex] == REX_FEMALE)
 			handleRoxAction();
diff --git a/engines/mads/nebular/nebular_scenes3.h b/engines/mads/nebular/nebular_scenes3.h
index 9efd38e9a4..cf925b3867 100644
--- a/engines/mads/nebular/nebular_scenes3.h
+++ b/engines/mads/nebular/nebular_scenes3.h
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
diff --git a/engines/mads/nebular/nebular_scenes4.cpp b/engines/mads/nebular/nebular_scenes4.cpp
index 56f6fb4466..c981f6a6e4 100644
--- a/engines/mads/nebular/nebular_scenes4.cpp
+++ b/engines/mads/nebular/nebular_scenes4.cpp
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
@@ -113,7 +113,7 @@ void Scene401::setup() {
 }
 
 void Scene401::enter() {
-	if (_scene->_priorSceneId != -2)
+	if (_scene->_priorSceneId != RETURNING_FROM_DIALOG)
 		_northFl = false;
 
 	_timer = 0;
@@ -125,7 +125,7 @@ void Scene401::enter() {
 		_game._player._playerPos = Common::Point(149, 90);
 		_game._player._facing = FACING_SOUTH;
 		_northFl = true;
-	} else if (_scene->_priorSceneId != -2) {
+	} else if (_scene->_priorSceneId != RETURNING_FROM_DIALOG) {
 		_game._player._playerPos = Common::Point(142, 131);
 		_game._player._facing = FACING_NORTH;
 	}
@@ -718,7 +718,7 @@ void Scene402::enter() {
 		_roxOnStool = false;
 		_bartenderDialogNode = 1;
 		_conversationFl = false;
-	} else if (_scene->_priorSceneId != -2) {
+	} else if (_scene->_priorSceneId != RETURNING_FROM_DIALOG) {
 		_game._player._playerPos = Common::Point(160, 150);
 		_game._player._facing = FACING_NORTH;
 		_game._objects.addToInventory(OBJ_CREDIT_CHIP);
@@ -962,7 +962,7 @@ void Scene402::step() {
 		}
 
 		if (!_bartenderTalking) {
-			_globals._sequenceIndexes[10] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[10], false, 7, 0, 0, 0);
+			_globals._sequenceIndexes[10] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[10], false, 7, 0, 0, 0);
 			_scene->_sequences.setAnimRange(_globals._sequenceIndexes[10], 3, 4);
 			_scene->_sequences.setDepth(_globals._sequenceIndexes[10], 8);
 			int idx = _scene->_dynamicHotspots.add(NOUN_BARTENDER, VERB_WALKTO, _globals._sequenceIndexes[10], Common::Rect(0, 0, 0, 0));
@@ -1514,7 +1514,7 @@ void Scene402::step() {
 				break;
 
 			case 3:
-				_globals._sequenceIndexes[3] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[3], false, 12, 2, 0, 0);
+				_globals._sequenceIndexes[3] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[3], false, 12, 2, 0, 0);
 				_scene->_sequences.setAnimRange(_globals._sequenceIndexes[3], 4, 5);
 				_scene->_sequences.addSubEntry(_globals._sequenceIndexes[3], SEQUENCE_TRIGGER_EXPIRE, 0, 32);
 				_rightWomanMoving = true;
@@ -1697,7 +1697,7 @@ void Scene402::step() {
 		_scene->_kernelMessages.add(Common::Point(171, 47), 0xFBFA, 0, 0, 130, _game.getQuote(0x200));
 		_scene->_sequences.addTimer(150, 63);
 		_scene->_sequences.remove(_globals._sequenceIndexes[13]);
-		_globals._sequenceIndexes[13] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[13], false, 30, 4, 0, 0);
+		_globals._sequenceIndexes[13] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[13], false, 30, 4, 0, 0);
 		_scene->_sequences.setAnimRange(_globals._sequenceIndexes[13], 10, 11);
 		_scene->_sequences.setDepth(_globals._sequenceIndexes[13], 8);
 		_scene->_sequences.addSubEntry(_globals._sequenceIndexes[13], SEQUENCE_TRIGGER_EXPIRE, 0, 62);
@@ -1769,7 +1769,7 @@ void Scene402::step() {
 
 	case 69: {
 		int seqIdx = _globals._sequenceIndexes[13];
-		_globals._sequenceIndexes[13] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[13], false, 25, 4, 0, 0);
+		_globals._sequenceIndexes[13] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[13], false, 25, 4, 0, 0);
 		_scene->_sequences.setAnimRange(_globals._sequenceIndexes[13], 10, 11);
 		_scene->_sequences.setDepth(_globals._sequenceIndexes[13], 8);
 		_scene->_sequences.updateTimeout(_globals._sequenceIndexes[13], seqIdx);
@@ -1783,7 +1783,7 @@ void Scene402::step() {
 		break;
 
 	case 70:
-		_globals._sequenceIndexes[13] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[13], false, 25, 4, 0, 0);
+		_globals._sequenceIndexes[13] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[13], false, 25, 4, 0, 0);
 		_scene->_sequences.setAnimRange(_globals._sequenceIndexes[13], 10, 12);
 		_scene->_sequences.setDepth(_globals._sequenceIndexes[13], 8);
 		_scene->_sequences.addSubEntry(_globals._sequenceIndexes[13], SEQUENCE_TRIGGER_EXPIRE, 0, 72);
@@ -1840,7 +1840,7 @@ void Scene402::step() {
 				_cutSceneReady = false;
 				_helgaReady = false;
 				_scene->_sequences.remove(_globals._sequenceIndexes[13]);
-				_globals._sequenceIndexes[13] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[13], false, 15, 2, 0, 0);
+				_globals._sequenceIndexes[13] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[13], false, 15, 2, 0, 0);
 				_scene->_sequences.setAnimRange(_globals._sequenceIndexes[13], 11, 13);
 				_scene->_sequences.setDepth(_globals._sequenceIndexes[13], 8);
 				_scene->_sequences.addSubEntry(_globals._sequenceIndexes[13], SEQUENCE_TRIGGER_EXPIRE, 0, 26);
@@ -1860,7 +1860,7 @@ void Scene402::step() {
 				_cutSceneReady = false;
 				_helgaReady = false;
 				_scene->_sequences.remove(_globals._sequenceIndexes[13]);
-				_globals._sequenceIndexes[13] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[13], false, 15, 2, 0, 0);
+				_globals._sequenceIndexes[13] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[13], false, 15, 2, 0, 0);
 				_scene->_sequences.setAnimRange(_globals._sequenceIndexes[13], 14, 15);
 				_scene->_sequences.setDepth(_globals._sequenceIndexes[13], 8);
 				_scene->_sequences.addSubEntry(_globals._sequenceIndexes[13], SEQUENCE_TRIGGER_EXPIRE, 0, 26);
@@ -2069,7 +2069,7 @@ void Scene402::actions() {
 		if (_game._trigger == 0) {
 			_game._player._stepEnabled = false;
 			_game._player._visible = false;
-			_globals._sequenceIndexes[21] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[21], false, 7, 2, 0, 0);
+			_globals._sequenceIndexes[21] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[21], false, 7, 2, 0, 0);
 			_scene->_sequences.setAnimRange(_globals._sequenceIndexes[21], 1, 2);
 			_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[21]);
 			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[21], SEQUENCE_TRIGGER_SPRITE, 2, 165);
@@ -2202,7 +2202,7 @@ void Scene402::actions() {
 		_game._triggerSetupMode = SEQUENCE_TRIGGER_DAEMON;
 		_game._player._stepEnabled = false;
 		_game._player._visible = false;
-		_globals._sequenceIndexes[22] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[22], false, 7, 2, 0, 0);
+		_globals._sequenceIndexes[22] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[22], false, 7, 2, 0, 0);
 		_scene->_sequences.setAnimRange(_globals._sequenceIndexes[22], 1, 2);
 		_scene->_sequences.setPosition(_globals._sequenceIndexes[22], Common::Point(_game._player._playerPos.x, _game._player._playerPos.y + 1));
 		_scene->_sequences.setDepth(_globals._sequenceIndexes[22], 5);
@@ -2411,7 +2411,7 @@ void Scene405::enter() {
 	} else if (_scene->_priorSceneId == 413) {
 		_game._player._playerPos = Common::Point(284, 109);
 		_game._player._facing = FACING_SOUTH;
-	} else if (_scene->_priorSceneId != -2) {
+	} else if (_scene->_priorSceneId != RETURNING_FROM_DIALOG) {
 		_game._player._playerPos = Common::Point(23, 123);
 		_game._player._facing = FACING_EAST;
 	}
@@ -2445,7 +2445,7 @@ void Scene405::step() {
 	if (_game._trigger == 70) {
 		_game._player._priorTimer = _scene->_frameStartTime + _game._player._ticksAmount ;
 		_game._player._visible = true;
-		_globals._sequenceIndexes[1] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[1], false, 6, 1, 0, 0);
+		_globals._sequenceIndexes[1] = _scene->_sequences.addReverseSpriteCycle(_globals._spriteIndexes[1], false, 6, 1, 0, 0);
 		_scene->_sequences.addSubEntry(_globals._sequenceIndexes[1], SEQUENCE_TRIGGER_EXPIRE, 0, 71);
 		_vm->_sound->command(19);
 	}
@@ -2495,7 +2495,7 @@ void Scene405::actions() {
 		_game._player._stepEnabled = false;
 		_game._player._visible = false;
 		_game._triggerSetupMode = SEQUENCE_TRIGGER_DAEMON;
-		_globals._sequenceIndexes[3] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[3], false, 7, 2, 0, 0);
+		_globals._sequenceIndexes[3] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[3], false, 7, 2, 0, 0);
 		_scene->_sequences.setAnimRange(_globals._sequenceIndexes[3], 1, 2);
 		_scene->_sequences.addSubEntry(_globals._sequenceIndexes[3], SEQUENCE_TRIGGER_EXPIRE, 0, 75);
 		Common::Point msgPos = Common::Point(_game._player._playerPos.x, _game._player._playerPos.y + 1);
@@ -2505,7 +2505,7 @@ void Scene405::actions() {
 		_game._triggerSetupMode = SEQUENCE_TRIGGER_DAEMON;
 		_game._player._stepEnabled = false;
 		_game._player._visible = false;
-		_globals._sequenceIndexes[3] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[3], false, 7, 2, 0, 0);
+		_globals._sequenceIndexes[3] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[3], false, 7, 2, 0, 0);
 		_scene->_sequences.setAnimRange(_globals._sequenceIndexes[3], 1, 2);
 		_scene->_sequences.addSubEntry(_globals._sequenceIndexes[3], SEQUENCE_TRIGGER_EXPIRE, 0, 70);
 		_scene->_sequences.setPosition(_globals._sequenceIndexes[3], _game._player._playerPos);
@@ -2514,7 +2514,7 @@ void Scene405::actions() {
 		_game._triggerSetupMode = SEQUENCE_TRIGGER_DAEMON;
 		_game._player._stepEnabled = false;
 		_game._player._visible = false;
-		_globals._sequenceIndexes[3] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[3], false, 7, 2, 0, 0);
+		_globals._sequenceIndexes[3] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[3], false, 7, 2, 0, 0);
 		_scene->_sequences.setAnimRange(_globals._sequenceIndexes[3], 1, 2);
 		_scene->_sequences.addSubEntry(_globals._sequenceIndexes[3], SEQUENCE_TRIGGER_EXPIRE, 0, 80);
 		_scene->_sequences.setPosition(_globals._sequenceIndexes[3], _game._player._playerPos);
@@ -2587,7 +2587,7 @@ void Scene406::enter() {
 	} else if (_scene->_priorSceneId == 411) {
 		_game._player._playerPos = Common::Point(153, 108);
 		_game._player._facing = FACING_SOUTH;
-	} else if (_scene->_priorSceneId != -2) {
+	} else if (_scene->_priorSceneId != RETURNING_FROM_DIALOG) {
 		_game._player._playerPos = Common::Point(15, 129);
 		_game._player._facing = FACING_EAST;
 	}
@@ -2609,7 +2609,7 @@ void Scene406::enter() {
 	else {
 		_game._player._stepEnabled = false;
 		_game._triggerSetupMode = SEQUENCE_TRIGGER_DAEMON;
-		_globals._sequenceIndexes[3] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[3], false, 3, 1, 0, 0);
+		_globals._sequenceIndexes[3] = _scene->_sequences.addReverseSpriteCycle(_globals._spriteIndexes[3], false, 3, 1, 0, 0);
 		_scene->_sequences.addSubEntry(_globals._sequenceIndexes[3], SEQUENCE_TRIGGER_EXPIRE, 0, 90);
 		_vm->_sound->command(19);
 	}
@@ -2647,7 +2647,7 @@ void Scene406::step() {
 	if (_game._trigger == 70) {
 		_game._player._priorTimer = _scene->_frameStartTime + _game._player._ticksAmount;
 		_game._player._visible = true;
-		_globals._sequenceIndexes[1] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[1], false, 4, 1, 0, 0);
+		_globals._sequenceIndexes[1] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[1], false, 4, 1, 0, 0);
 		_scene->_sequences.addSubEntry(_globals._sequenceIndexes[1], SEQUENCE_TRIGGER_EXPIRE, 0, 71);
 		_vm->_sound->command(19);
 	}
@@ -2703,7 +2703,7 @@ void Scene406::actions() {
 		_game._player._stepEnabled = false;
 		_game._player._visible = false;
 		_game._triggerSetupMode = SEQUENCE_TRIGGER_DAEMON;
-		_globals._sequenceIndexes[2] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[2], false, 7, 2, 0, 0);
+		_globals._sequenceIndexes[2] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[2], false, 7, 2, 0, 0);
 		_scene->_sequences.setAnimRange(_globals._sequenceIndexes[2], 1, 2);
 		_scene->_sequences.addSubEntry(_globals._sequenceIndexes[2], SEQUENCE_TRIGGER_EXPIRE, 0, 75);
 		Common::Point msgPos = Common::Point(_game._player._playerPos.x, _game._player._playerPos.y + 1);
@@ -2713,7 +2713,7 @@ void Scene406::actions() {
 		_game._triggerSetupMode = SEQUENCE_TRIGGER_DAEMON;
 		_game._player._stepEnabled = false;
 		_game._player._visible = false;
-		_globals._sequenceIndexes[2] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[2], false, 7, 2, 0, 0);
+		_globals._sequenceIndexes[2] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[2], false, 7, 2, 0, 0);
 		_scene->_sequences.setAnimRange(_globals._sequenceIndexes[2], 1, 2);
 		_scene->_sequences.addSubEntry(_globals._sequenceIndexes[2], SEQUENCE_TRIGGER_EXPIRE, 0, 70);
 		Common::Point msgPos = Common::Point(_game._player._playerPos.x, _game._player._playerPos.y + 1);
@@ -2723,7 +2723,7 @@ void Scene406::actions() {
 		_game._triggerSetupMode = SEQUENCE_TRIGGER_DAEMON;
 		_game._player._stepEnabled = false;
 		_game._player._visible = false;
-		_globals._sequenceIndexes[2] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[2], false, 7, 2, 0, 0);
+		_globals._sequenceIndexes[2] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[2], false, 7, 2, 0, 0);
 		_scene->_sequences.setAnimRange(_globals._sequenceIndexes[2], 1, 2);
 		_scene->_sequences.addSubEntry(_globals._sequenceIndexes[2], SEQUENCE_TRIGGER_EXPIRE, 0, 110);
 		_scene->_sequences.setPosition(_globals._sequenceIndexes[2], _game._player._playerPos);
@@ -2791,14 +2791,14 @@ void Scene407::setup() {
 }
 
 void Scene407::enter() {
-	if (_scene->_priorSceneId != -2)
+	if (_scene->_priorSceneId != RETURNING_FROM_DIALOG)
 		_fromNorth = false;
 
 	if (_scene->_priorSceneId == 318) {
 		_game._player._playerPos = Common::Point(172, 92);
 		_game._player._facing = FACING_SOUTH;
 		_fromNorth = true;
-	} else if (_scene->_priorSceneId != -2) {
+	} else if (_scene->_priorSceneId != RETURNING_FROM_DIALOG) {
 		_game._player._playerPos = Common::Point(172, 132);
 		_game._player._facing = FACING_NORTH;
 	}
@@ -2934,7 +2934,7 @@ void Scene408::actions() {
 			_vm->_sound->command(57);
 			_game._player._stepEnabled = false;
 			_game._player._visible = false;
-			_globals._sequenceIndexes[1] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[1], true, 7, 2, 0, 0);
+			_globals._sequenceIndexes[1] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[1], true, 7, 2, 0, 0);
 			_scene->_sequences.setAnimRange(_globals._sequenceIndexes[1], 1, 2);
 			_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[1]);
 			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[1], SEQUENCE_TRIGGER_SPRITE, 2, 1);
@@ -3118,7 +3118,7 @@ void Scene410::enter() {
 	else
 		_scene->_hotspots.activate(NOUN_CHARGE_CASES, false);
 
-	if (_scene->_priorSceneId != -2) {
+	if (_scene->_priorSceneId != RETURNING_FROM_DIALOG) {
 		_game._player._playerPos = Common::Point(155, 150);
 		_game._player._facing = FACING_NORTH;
 	}
@@ -3182,7 +3182,7 @@ void Scene410::actions() {
 			_vm->_sound->command(57);
 			_game._player._stepEnabled = false;
 			_game._player._visible = false;
-			_globals._sequenceIndexes[2] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[2], false, 7, 2, 0, 0);
+			_globals._sequenceIndexes[2] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[2], false, 7, 2, 0, 0);
 			_scene->_sequences.setAnimRange(_globals._sequenceIndexes[2], 1, 3);
 			_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[2]);
 			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[2], SEQUENCE_TRIGGER_SPRITE, 3, 1);
@@ -3646,7 +3646,7 @@ void Scene411::enter() {
 		_scene->_dynamicHotspots.setPosition(idx, Common::Point(220, 121), FACING_NORTHEAST);
 	}
 
-	if (_scene->_priorSceneId != -2) {
+	if (_scene->_priorSceneId != RETURNING_FROM_DIALOG) {
 		_game._player._playerPos = Common::Point(60, 146);
 		_game._player._facing = FACING_NORTHEAST;
 	}
@@ -3842,7 +3842,7 @@ void Scene411::actions() {
 			_vm->_sound->command(57);
 			_game._player._stepEnabled = false;
 			_game._player._visible = false;
-			_globals._sequenceIndexes[8] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[8], false, 7, 2, 0, 0);
+			_globals._sequenceIndexes[8] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[8], false, 7, 2, 0, 0);
 			_scene->_sequences.setAnimRange(_globals._sequenceIndexes[8], 1, 2);
 			_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[8]);
 			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[8], SEQUENCE_TRIGGER_SPRITE, 2, 1);
@@ -3879,7 +3879,7 @@ void Scene411::actions() {
 			_vm->_sound->command(57);
 			_game._player._stepEnabled = false;
 			_game._player._visible = false;
-			_globals._sequenceIndexes[8] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[8], false, 7, 2, 0, 0);
+			_globals._sequenceIndexes[8] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[8], false, 7, 2, 0, 0);
 			_scene->_sequences.setAnimRange(_globals._sequenceIndexes[8], 1, 2);
 			_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[8]);
 			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[8], SEQUENCE_TRIGGER_SPRITE, 2, 1);
@@ -4058,7 +4058,7 @@ void Scene413::enter() {
 		_game._player._playerPos = Common::Point(142, 146);
 		_game._player._facing = FACING_NORTH;
 		_game._player._visible = true;
-	} else if (_scene->_priorSceneId != -2) {
+	} else if (_scene->_priorSceneId != RETURNING_FROM_DIALOG) {
 		if (_globals[kSexOfRex] == REX_MALE) {
 			_scene->loadAnimation(Resources::formatName(413, 'd', 1, EXT_AA, ""), 78);
 			_vm->_sound->command(30);
@@ -4078,7 +4078,7 @@ void Scene413::enter() {
 		case 1:
 			_vm->_sound->command(30);
 			_game._player._visible = false;
-			_globals._sequenceIndexes[1] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[1], false, 7, 1, 0, 0);
+			_globals._sequenceIndexes[1] = _scene->_sequences.addReverseSpriteCycle(_globals._spriteIndexes[1], false, 7, 1, 0, 0);
 			_scene->_sequences.setAnimRange(_globals._sequenceIndexes[1], 1, 19);
 			_scene->_sequences.setDepth(_globals._sequenceIndexes[1], 8);
 			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[1], SEQUENCE_TRIGGER_EXPIRE, 0, 76);
diff --git a/engines/mads/nebular/nebular_scenes4.h b/engines/mads/nebular/nebular_scenes4.h
index fbd5ce81f0..de11bd4129 100644
--- a/engines/mads/nebular/nebular_scenes4.h
+++ b/engines/mads/nebular/nebular_scenes4.h
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
diff --git a/engines/mads/nebular/nebular_scenes5.cpp b/engines/mads/nebular/nebular_scenes5.cpp
index 66d8294fc6..95eb429193 100644
--- a/engines/mads/nebular/nebular_scenes5.cpp
+++ b/engines/mads/nebular/nebular_scenes5.cpp
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
@@ -132,7 +132,7 @@ void Scene501::handleSlotActions() {
 			frameIndex = 2;
 		}
 
-		_mainSequenceId = _scene->_sequences.startReverseCycle(_mainSpriteId, false, numTicks, 1, 0, 0);
+		_mainSequenceId = _scene->_sequences.startPingPongCycle(_mainSpriteId, false, numTicks, 1, 0, 0);
 		_scene->_sequences.setAnimRange(_mainSequenceId, 1, frameIndex);
 		_scene->_sequences.setMsgLayout(_mainSequenceId);
 		_vm->_sound->command(10);
@@ -199,7 +199,7 @@ void Scene501::enter() {
 		_game._player._playerPos = Common::Point(317, 102);
 		_game._player._facing = FACING_SOUTHWEST;
 		_scene->_sequences.addTimer(15, 80);
-	} else if (_scene->_priorSceneId != -2)
+	} else if (_scene->_priorSceneId != RETURNING_FROM_DIALOG)
 		_game._player._playerPos = Common::Point(299, 131);
 
 	if (_scene->_roomChanged) {
@@ -238,7 +238,7 @@ void Scene501::step() {
 			break;
 
 		case 82:
-			_globals._sequenceIndexes[3] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[3], false, 9, 1, 0, 0);
+			_globals._sequenceIndexes[3] = _scene->_sequences.addReverseSpriteCycle(_globals._spriteIndexes[3], false, 9, 1, 0, 0);
 			_scene->_sequences.setDepth(_globals._sequenceIndexes[3], 7);
 			_vm->_sound->command(12);
 			_doorHotspotid = _scene->_dynamicHotspots.add(NOUN_DOOR, VERB_WALK_THROUGH, _globals._sequenceIndexes[3], Common::Rect(0, 0, 0, 0));
@@ -273,7 +273,7 @@ void Scene501::step() {
 
 		case 72:
 			_scene->_sequences.remove(_globals._sequenceIndexes[2]);
-			_globals._sequenceIndexes[2] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[2], false, 6, 1, 0, 0);
+			_globals._sequenceIndexes[2] = _scene->_sequences.addReverseSpriteCycle(_globals._spriteIndexes[2], false, 6, 1, 0, 0);
 			_scene->_sequences.setDepth(_globals._sequenceIndexes[2], 4);
 			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[2], SEQUENCE_TRIGGER_EXPIRE, 0, 73);
 			break;
@@ -415,7 +415,7 @@ void Scene501::actions() {
 		case 7: {
 			_vm->_sound->command(12);
 			int syncIdx = _globals._sequenceIndexes[3];
-			_globals._sequenceIndexes[3] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[3], false, 9, 1, 0, 0);
+			_globals._sequenceIndexes[3] = _scene->_sequences.addReverseSpriteCycle(_globals._spriteIndexes[3], false, 9, 1, 0, 0);
 			_scene->_sequences.setDepth(_globals._sequenceIndexes[3], 7);
 			_scene->_sequences.updateTimeout(_globals._sequenceIndexes[3], syncIdx);
 			_vm->_sound->command(12);
@@ -563,7 +563,7 @@ void Scene503::enter() {
 		_scene->_dynamicHotspots.setPosition(_detonatorHotspotId, Common::Point(254, 135), FACING_SOUTH);
 	}
 
-	if (_scene->_priorSceneId != -2) {
+	if (_scene->_priorSceneId != RETURNING_FROM_DIALOG) {
 		_game._player._playerPos = Common::Point(191, 152);
 		_game._player._facing = FACING_NORTHWEST;
 	}
@@ -581,13 +581,13 @@ void Scene503::actions() {
 				_game._player._stepEnabled = false;
 				_game._player._visible = false;
 				if (_globals[kSexOfRex] == REX_MALE) {
-					_globals._sequenceIndexes[2] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[2], false, 8, 1, 0, 0);
+					_globals._sequenceIndexes[2] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[2], false, 8, 1, 0, 0);
 					_scene->_sequences.setAnimRange(_globals._sequenceIndexes[2], 1, 3);
 					_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[2]);
 					_scene->_sequences.addSubEntry(_globals._sequenceIndexes[2], SEQUENCE_TRIGGER_SPRITE, 3, 1);
 					_scene->_sequences.addSubEntry(_globals._sequenceIndexes[2], SEQUENCE_TRIGGER_EXPIRE, 0, 2);
 				} else {
-					_globals._sequenceIndexes[3] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[3], true, 8, 1, 0, 0);
+					_globals._sequenceIndexes[3] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[3], true, 8, 1, 0, 0);
 					_scene->_sequences.setAnimRange(_globals._sequenceIndexes[3], 1, 4);
 					_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[3]);
 					_scene->_sequences.addSubEntry(_globals._sequenceIndexes[3], SEQUENCE_TRIGGER_SPRITE, 4, 1);
@@ -709,7 +709,7 @@ void Scene504::enter() {
 		_globals._spriteIndexes[3] = _scene->_sprites.addSprites(formAnimName('a', 3));
 		_carAnimationMode = 1;
 		_scene->loadAnimation(formAnimName('A', -1));
-		if ((_scene->_priorSceneId != -2) && (_scene->_priorSceneId != 505))
+		if ((_scene->_priorSceneId != RETURNING_FROM_DIALOG) && (_scene->_priorSceneId != 505))
 			_globals[kHoverCarLocation] = _scene->_priorSceneId;
 
 		_globals._sequenceIndexes[7] = _scene->_sequences.startCycle(_globals._spriteIndexes[7], false, 1);
@@ -800,7 +800,7 @@ void Scene504::actions() {
 
 		case 1: {
 			int syncIdx = _globals._sequenceIndexes[3];
-			_globals._sequenceIndexes[3] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[3], false, 6, 1, 0, 0);
+			_globals._sequenceIndexes[3] = _scene->_sequences.addReverseSpriteCycle(_globals._spriteIndexes[3], false, 6, 1, 0, 0);
 			_scene->_sequences.setDepth(_globals._sequenceIndexes[3], 13);
 			_scene->_sequences.setAnimRange(_globals._sequenceIndexes[3], 1, 6);
 			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[3], SEQUENCE_TRIGGER_EXPIRE, 0, 2);
@@ -912,8 +912,8 @@ void Scene505::enter() {
 	_globals._spriteIndexes[11] = _scene->_sprites.addSprites(formAnimName('t', -1));
 	_globals._spriteIndexes[12] = _scene->_sprites.addSprites(formAnimName('e', -1));
 
-	if (_scene->_priorSceneId != -2)
-		_globals._sequenceIndexes[12] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[12], false, 6, 1, 0, 0);
+	if (_scene->_priorSceneId != RETURNING_FROM_DIALOG)
+		_globals._sequenceIndexes[12] = _scene->_sequences.addReverseSpriteCycle(_globals._spriteIndexes[12], false, 6, 1, 0, 0);
 
 	_globals._sequenceIndexes[13] = _scene->_sequences.addSpriteCycle(_globals._spriteIndexes[13], false, 6, 1, 120, 0);
 	_scene->_sequences.addSubEntry(_globals._sequenceIndexes[13], SEQUENCE_TRIGGER_EXPIRE, 0, 60);
@@ -934,7 +934,7 @@ void Scene505::enter() {
 	for (int i = 0; i < 9; i++) {
 		if (_globals[kHoverCarLocation] == _carLocations[i]) {
 			_homeSelectedId = i;
-			if (_scene->_priorSceneId != -2)
+			if (_scene->_priorSceneId != RETURNING_FROM_DIALOG)
 				_selectedId = i;
 		}
 	}
@@ -996,7 +996,7 @@ void Scene505::step() {
 					_scene->_sequences.remove(_globals._sequenceIndexes[1]);
 					_scene->_sequences.remove(_globals._sequenceIndexes[0]);
 					_scene->_sequences.remove(_globals._sequenceIndexes[13]);
-					_globals._sequenceIndexes[13] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[13], false, 6, 1, 0, 0);
+					_globals._sequenceIndexes[13] = _scene->_sequences.addReverseSpriteCycle(_globals._spriteIndexes[13], false, 6, 1, 0, 0);
 					_scene->_sequences.addSubEntry(_globals._sequenceIndexes[13], SEQUENCE_TRIGGER_EXPIRE, 0, 63);
 					_vm->_sound->command(18);
 				}
@@ -1222,7 +1222,7 @@ void Scene506::enter() {
 		_game._player._facing = FACING_SOUTHEAST;
 		_scene->_sequences.addTimer(60, 80);
 		_game._player._stepEnabled = false;
-	} else if (_scene->_priorSceneId != -2) {
+	} else if (_scene->_priorSceneId != RETURNING_FROM_DIALOG) {
 		_game._player._playerPos = Common::Point(138, 116);
 		_game._player._facing = FACING_NORTHEAST;
 		_game._player._visible = false;
@@ -1260,7 +1260,7 @@ void Scene506::step() {
 
 		case 71:
 			_scene->_sequences.remove(_globals._sequenceIndexes[3]);
-			_globals._sequenceIndexes[3] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[3], false, 6, 1, 0, 0);
+			_globals._sequenceIndexes[3] = _scene->_sequences.addReverseSpriteCycle(_globals._spriteIndexes[3], false, 6, 1, 0, 0);
 			_scene->_sequences.setDepth(_globals._sequenceIndexes[3], 5);
 			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[3], SEQUENCE_TRIGGER_EXPIRE, 0, 72);
 			break;
@@ -1317,7 +1317,7 @@ void Scene506::handleDoorSequences() {
 
 	case 82:
 		_scene->_sequences.remove(_doorSequenceIdx);
-		_doorSequenceIdx = _scene->_sequences.startReverseCycle(_doorSpriteIdx, false, 7, 1, 0, 0);
+		_doorSequenceIdx = _scene->_sequences.addReverseSpriteCycle(_doorSpriteIdx, false, 7, 1, 0, 0);
 		_scene->_sequences.setDepth(_doorSequenceIdx, _doorDepth);
 		if (_actionFl)
 			_scene->_sequences.addSubEntry(_doorSequenceIdx, SEQUENCE_TRIGGER_EXPIRE, 0, 84);
@@ -1471,7 +1471,7 @@ void Scene507::enter() {
 		_scene->_dynamicHotspots.setPosition(_penlightHotspotId, Common::Point(233, 152), FACING_SOUTHEAST);
 	}
 
-	if (_scene->_priorSceneId != -2) {
+	if (_scene->_priorSceneId != RETURNING_FROM_DIALOG) {
 		_game._player._playerPos = Common::Point(121, 147);
 		_game._player._facing = FACING_NORTH;
 	}
@@ -1487,7 +1487,7 @@ void Scene507::actions() {
 			case 0:
 				_game._player._stepEnabled = false;
 				_game._player._visible = false;
-				_globals._sequenceIndexes[2] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[2], false, 6, 1, 0, 0);
+				_globals._sequenceIndexes[2] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[2], false, 6, 1, 0, 0);
 				_scene->_sequences.setAnimRange(_globals._sequenceIndexes[2], 1, 5);
 				_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[2]);
 				_scene->_sequences.addSubEntry(_globals._sequenceIndexes[2], SEQUENCE_TRIGGER_SPRITE, 5, 1);
@@ -1547,7 +1547,9 @@ void Scene507::actions() {
 		_vm->_dialogs->show(50724);
 	else if (_action.isAction(VERB_LOOK, NOUN_WINDOW))
 		_vm->_dialogs->show(50725);
-	else if (_action.isAction(VERB_LOOK, NOUN_COUNTER)) {
+	else if (_action.isAction(VERB_WALK_BEHIND, NOUN_COUNTER)) {
+		// WORKAROUND: Empty handling to prevent default "can't do that" dialogs showing
+	} else if (_action.isAction(VERB_LOOK, NOUN_COUNTER)) {
 		if (_game._objects.isInRoom(OBJ_PENLIGHT))
 			_vm->_dialogs->show(50728);
 		else
@@ -1613,7 +1615,7 @@ void Scene508::enter() {
 		_scene->_sequences.setDepth(_globals._sequenceIndexes[4], 11);
 		int idx = _scene->_dynamicHotspots.add(NOUN_LASER_BEAM, VERB_WALKTO, _globals._sequenceIndexes[4], Common::Rect(0, 0, 0, 0));
 		_scene->_dynamicHotspots.setPosition(idx, Common::Point(57, 116), FACING_NORTHEAST);
-		_globals._sequenceIndexes[2] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[2], false, 15, 0, 0, 0);
+		_globals._sequenceIndexes[2] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[2], false, 15, 0, 0, 0);
 		_scene->_sequences.setAnimRange(_globals._sequenceIndexes[2], 6, 8);
 		_scene->_sequences.setDepth(_globals._sequenceIndexes[2], 6);
 		if (_globals[kLaserHoleIsThere]) {
@@ -1628,7 +1630,7 @@ void Scene508::enter() {
 	if (_scene->_priorSceneId == 515) {
 		_game._player._playerPos = Common::Point(57, 116);
 		_game._player._facing = FACING_NORTHEAST;
-	} else if (_scene->_priorSceneId != -2) {
+	} else if (_scene->_priorSceneId != RETURNING_FROM_DIALOG) {
 		_game._player._playerPos = Common::Point(289, 139);
 		_game._player._facing = FACING_WEST;
 	}
@@ -1659,7 +1661,7 @@ void Scene508::handlePedestral() {
 		case 0:
 			_game._player._stepEnabled = false;
 			_game._player._visible = false;
-			_globals._sequenceIndexes[6] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[6], false, 9, 1, 0, 0);
+			_globals._sequenceIndexes[6] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[6], false, 9, 1, 0, 0);
 			_scene->_sequences.setAnimRange(_globals._sequenceIndexes[6], 1, 4);
 			_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[6]);
 			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[6], SEQUENCE_TRIGGER_SPRITE, 4, 1);
@@ -1732,7 +1734,7 @@ void Scene508::actions() {
 				break;
 
 			case 4:
-				_globals._sequenceIndexes[2] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[2], false, 15, 0, 0, 0);
+				_globals._sequenceIndexes[2] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[2], false, 15, 0, 0, 0);
 				_scene->_sequences.setAnimRange(_globals._sequenceIndexes[2], 6, 8);
 				_scene->_sequences.setDepth(_globals._sequenceIndexes[2], 6);
 				break;
@@ -1866,7 +1868,7 @@ void Scene511::enter() {
 	_globals._spriteIndexes[1] = _scene->_sprites.addSprites(formAnimName('c', 0));
 	_globals._spriteIndexes[4] = _scene->_sprites.addSprites("*RXCD_6");
 
-	if (_scene->_priorSceneId != -2)
+	if (_scene->_priorSceneId != RETURNING_FROM_DIALOG)
 		_handingLine = false;
 
 	if (_globals[kBoatRaised]) {
@@ -1921,7 +1923,7 @@ void Scene511::enter() {
 	if (_scene->_priorSceneId == 512) {
 		_game._player._playerPos = Common::Point(60, 112);
 		_game._player._facing = FACING_SOUTHEAST;
-	} else if (_scene->_priorSceneId != -2) {
+	} else if (_scene->_priorSceneId != RETURNING_FROM_DIALOG) {
 		_game._player._playerPos = Common::Point(55, 152);
 		_game._player._facing = FACING_NORTHWEST;
 		_game._player._visible = false;
@@ -2024,7 +2026,7 @@ void Scene511::actions() {
 		case 0:
 			_game._player._stepEnabled = false;
 			_scene->_sequences.remove(_globals._sequenceIndexes[1]);
-			_globals._sequenceIndexes[1] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[1], false, 6, 1, 0, 0);
+			_globals._sequenceIndexes[1] = _scene->_sequences.addReverseSpriteCycle(_globals._spriteIndexes[1], false, 6, 1, 0, 0);
 			_scene->_sequences.setDepth(_globals._sequenceIndexes[1], 1);
 			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[1], SEQUENCE_TRIGGER_EXPIRE, 0, 1);
 			break;
@@ -2064,6 +2066,7 @@ void Scene511::actions() {
 					if (_game._trigger == 0) {
 						_game._player._stepEnabled = false;
 						_game._player._visible = false;
+						_game._player.update();
 						_lineAnimationMode = 1;
 						_lineAnimationPosition = 1;
 						_lineMoving = true;
@@ -2086,7 +2089,8 @@ void Scene511::actions() {
 		} else {
 			_vm->_dialogs->show(51130);
 		}
-	} else if (_action.isAction(VERB_TIE, NOUN_FISHING_LINE, NOUN_BOAT) || _action.isAction(VERB_ATTACH, NOUN_FISHING_LINE, NOUN_BOAT)) {
+	} else if (_action.isAction(VERB_TIE, NOUN_FISHING_LINE, NOUN_BOAT) || 
+			_action.isAction(VERB_ATTACH, NOUN_FISHING_LINE, NOUN_BOAT)) {
 		if (_globals[kBoatRaised])
 			_vm->_dialogs->show(51131);
 		else if (_globals[kLineStatus] == 1)
@@ -2104,7 +2108,6 @@ void Scene511::actions() {
 						_scene->_sequences.addTimer(1, 1);
 					else {
 						_game._player._visible = true;
-						_game._player._priorTimer = _scene->_frameStartTime - _game._player._ticksAmount;
 						_globals._sequenceIndexes[7] = _scene->_sequences.startCycle(_globals._spriteIndexes[7], false, -2);
 						_scene->_sequences.setDepth(_globals._sequenceIndexes[7], 4);
 						int idx = _scene->_dynamicHotspots.add(NOUN_FISHING_LINE, VERB_WALKTO, _globals._sequenceIndexes[7], Common::Rect(0, 0, 0, 0));
@@ -2114,6 +2117,10 @@ void Scene511::actions() {
 						_lineMoving = true;
 						_globals[kLineStatus] = 3;
 						_game._player._stepEnabled = true;
+
+						if (_scene->_activeAnimation)
+							_scene->_activeAnimation->eraseSprites();
+						_game._player.update();
 					}
 				}
 			}
@@ -2240,7 +2247,7 @@ void Scene512::enter() {
 	} else
 		_scene->_hotspots.activate(NOUN_PADLOCK_KEY, false);
 
-	if (_scene->_priorSceneId != -2) {
+	if (_scene->_priorSceneId != RETURNING_FROM_DIALOG) {
 		_game._player._playerPos = Common::Point(144, 152);
 		_game._player._facing = FACING_NORTHEAST;
 	}
@@ -2257,7 +2264,7 @@ void Scene512::actions() {
 			case 0:
 				_game._player._stepEnabled = false;
 				_game._player._visible = false;
-				_globals._sequenceIndexes[2] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[2], false, 8, 1, 0, 0);
+				_globals._sequenceIndexes[2] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[2], false, 8, 1, 0, 0);
 				_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[2]);
 				_scene->_sequences.addSubEntry(_globals._sequenceIndexes[2], SEQUENCE_TRIGGER_SPRITE, 5, 1);
 				_scene->_sequences.addSubEntry(_globals._sequenceIndexes[2], SEQUENCE_TRIGGER_EXPIRE, 0, 2);
@@ -2293,7 +2300,7 @@ void Scene512::actions() {
 
 			case 1:
 				_game._player._visible = false;
-				_globals._sequenceIndexes[8] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[8], false, 9, 1, 0, 0);
+				_globals._sequenceIndexes[8] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[8], false, 9, 1, 0, 0);
 				_scene->_sequences.setAnimRange(_globals._sequenceIndexes[8], 1, 3);
 				_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[8]);
 				_scene->_sequences.addSubEntry(_globals._sequenceIndexes[8], SEQUENCE_TRIGGER_EXPIRE, 0, 2);
@@ -2326,7 +2333,7 @@ void Scene512::actions() {
 				break;
 
 			case 5:
-				_globals._sequenceIndexes[5] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[5], false, 14, 0, 0, 0);
+				_globals._sequenceIndexes[5] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[5], false, 14, 0, 0, 0);
 				_scene->_sequences.setDepth(_globals._sequenceIndexes[5], 3);
 				_scene->_hotspots.activate(NOUN_PADLOCK_KEY, true);
 				_scene->_sequences.addTimer(60, 6);
@@ -2347,7 +2354,7 @@ void Scene512::actions() {
 		case 0:
 			_game._player._stepEnabled = false;
 			_game._player._visible = false;
-			_globals._sequenceIndexes[2] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[2], false, 10, 1, 0, 0);
+			_globals._sequenceIndexes[2] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[2], false, 10, 1, 0, 0);
 			_scene->_sequences.setAnimRange(_globals._sequenceIndexes[2], 1, 2);
 			_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[2]);
 			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[2], SEQUENCE_TRIGGER_EXPIRE, 0, 1);
@@ -2358,12 +2365,12 @@ void Scene512::actions() {
 			_game._player._visible = true;
 			if (!_game._objects.isInRoom(OBJ_PADLOCK_KEY) || _game._difficulty == DIFFICULTY_EASY) {
 				_scene->_sequences.remove(_globals._sequenceIndexes[3]);
-				_globals._sequenceIndexes[3] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[3], false, 12, 1, 0, 0);
+				_globals._sequenceIndexes[3] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[3], false, 12, 1, 0, 0);
 				_scene->_sequences.setDepth(_globals._sequenceIndexes[3], 3);
 				_scene->_sequences.addSubEntry(_globals._sequenceIndexes[3], SEQUENCE_TRIGGER_EXPIRE, 0, 2);
 			} else {
 				_scene->_sequences.remove(_globals._sequenceIndexes[5]);
-				_globals._sequenceIndexes[4] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[4], false, 12, 1, 0, 0);
+				_globals._sequenceIndexes[4] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[4], false, 12, 1, 0, 0);
 				_scene->_sequences.setDepth(_globals._sequenceIndexes[4], 3);
 				_scene->_hotspots.activate(NOUN_PADLOCK_KEY, false);
 				_scene->_sequences.addSubEntry(_globals._sequenceIndexes[4], SEQUENCE_TRIGGER_EXPIRE, 0, 2);
@@ -2391,7 +2398,7 @@ void Scene512::actions() {
 				else
 					endVal = 2;
 
-				_globals._sequenceIndexes[2] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[2], false, 10, 1, 0, 0);
+				_globals._sequenceIndexes[2] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[2], false, 10, 1, 0, 0);
 				_scene->_sequences.setAnimRange(_globals._sequenceIndexes[2], 1, endVal);
 				_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[2]);
 				_scene->_sequences.addSubEntry(_globals._sequenceIndexes[2], SEQUENCE_TRIGGER_SPRITE, endVal, 1);
@@ -2427,7 +2434,8 @@ void Scene512::actions() {
 		_vm->_dialogs->show(51225);
 	else if (_action.isAction(VERB_LOOK, NOUN_PADLOCK_KEY) && _game._objects.isInRoom(OBJ_PADLOCK_KEY))
 		_vm->_dialogs->show(51215);
-	else if (_action.isAction(VERB_LOOK, NOUN_FISHING_ROD) && (_scene->_activeAnimation->getCurrentFrame() == 4))
+	else if (_action.isAction(VERB_LOOK, NOUN_FISHING_ROD) && (!_scene->_activeAnimation ||
+			_scene->_activeAnimation->getCurrentFrame() == 4))
 		_vm->_dialogs->show(51216);
 	else if (_action.isAction(VERB_LOOK, NOUN_SHIPS_WHEEL))
 		_vm->_dialogs->show(51218);
@@ -2460,7 +2468,9 @@ void Scene512::actions() {
 		_vm->_dialogs->show(51233);
 	else if (_action.isAction(VERB_LOOK, NOUN_LAMP))
 		_vm->_dialogs->show(51234);
-	else if (_action.isAction(VERB_LOOK, NOUN_COUNTER))
+	else if (_action.isAction(VERB_WALK_BEHIND, NOUN_COUNTER)) {
+		// WORKAROUND: Empty handling to prevent default "can't do that" dialogs showing
+	} else if (_action.isAction(VERB_LOOK, NOUN_COUNTER))
 		_vm->_dialogs->show(51235);
 	else if (_action.isAction(VERB_LOOK, NOUN_ICE_CHESTS))
 		_vm->_dialogs->show(51237);
@@ -2505,7 +2515,7 @@ void Scene513::enter() {
 		_game._player._facing = FACING_WEST;
 		_game._player._stepEnabled = false;
 		_scene->_sequences.addTimer(15, 80);
-	} else if (_scene->_priorSceneId != -2) {
+	} else if (_scene->_priorSceneId != RETURNING_FROM_DIALOG) {
 		_game._player._playerPos = Common::Point(63, 149);
 		_game._player._facing = FACING_NORTHEAST;
 		_game._player._visible = false;
@@ -2529,7 +2539,7 @@ void Scene513::step() {
 	case 80:
 		_game._player._stepEnabled = false;
 		_scene->_sequences.remove(_globals._sequenceIndexes[2]);
-		_globals._sequenceIndexes[2] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[2], false, 7, 1, 0, 0);
+		_globals._sequenceIndexes[2] = _scene->_sequences.addReverseSpriteCycle(_globals._spriteIndexes[2], false, 7, 1, 0, 0);
 		_scene->_sequences.setDepth(_globals._sequenceIndexes[2], 2);
 		_vm->_sound->command(24);
 		_scene->_sequences.addSubEntry(_globals._sequenceIndexes[2], SEQUENCE_TRIGGER_EXPIRE, 0, 81);
@@ -2588,7 +2598,7 @@ void Scene513::actions() {
 		case 0:
 			_game._player._stepEnabled = false;
 			_scene->_sequences.remove(_globals._sequenceIndexes[1]);
-			_globals._sequenceIndexes[1] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[1], false, 6, 1, 0, 0);
+			_globals._sequenceIndexes[1] = _scene->_sequences.addReverseSpriteCycle(_globals._spriteIndexes[1], false, 6, 1, 0, 0);
 			_scene->_sequences.setDepth(_globals._sequenceIndexes[1], 1);
 			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[1], SEQUENCE_TRIGGER_EXPIRE, 0, 1);
 			break;
@@ -2626,7 +2636,7 @@ void Scene513::actions() {
 		case 0:
 			_game._player._stepEnabled = false;
 			_game._player._visible = false;
-			_globals._sequenceIndexes[4] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[4], false, 7, 1, 0, 0);
+			_globals._sequenceIndexes[4] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[4], false, 7, 1, 0, 0);
 			_scene->_sequences.setAnimRange(_globals._sequenceIndexes[4], 1, 2);
 			_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[4]);
 			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[4], SEQUENCE_TRIGGER_EXPIRE, 0, 1);
@@ -2636,7 +2646,7 @@ void Scene513::actions() {
 			_scene->_sequences.updateTimeout(-1, _globals._sequenceIndexes[4]);
 			_game._player._visible = true;
 			_scene->_sequences.remove(_globals._sequenceIndexes[2]);
-			_globals._sequenceIndexes[2] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[2], false, 7, 1, 0, 0);
+			_globals._sequenceIndexes[2] = _scene->_sequences.addReverseSpriteCycle(_globals._spriteIndexes[2], false, 7, 1, 0, 0);
 			_scene->_sequences.setDepth(_globals._sequenceIndexes[2], 2);
 			_vm->_sound->command(24);
 			_scene->_kernelMessages.reset();
@@ -2739,7 +2749,7 @@ void Scene551::enter() {
 
 	if (_scene->_priorSceneId == 501)
 		_game._player._playerPos = Common::Point(18, 130);
-	else if (_scene->_priorSceneId != -2) {
+	else if (_scene->_priorSceneId != RETURNING_FROM_DIALOG) {
 		_game._player._playerPos = Common::Point(124, 119);
 		_game._player._facing = FACING_NORTH;
 	}
diff --git a/engines/mads/nebular/nebular_scenes5.h b/engines/mads/nebular/nebular_scenes5.h
index 2face26508..f314ae8513 100644
--- a/engines/mads/nebular/nebular_scenes5.h
+++ b/engines/mads/nebular/nebular_scenes5.h
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
diff --git a/engines/mads/nebular/nebular_scenes6.cpp b/engines/mads/nebular/nebular_scenes6.cpp
index 13ee1a3dc1..d97e37ea0b 100644
--- a/engines/mads/nebular/nebular_scenes6.cpp
+++ b/engines/mads/nebular/nebular_scenes6.cpp
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
@@ -112,7 +112,7 @@ void Scene601::enter() {
 		_globals._sequenceIndexes[2] = _scene->_sequences.startCycle(_globals._spriteIndexes[2], false, -2);
 		_scene->_sequences.setDepth(_globals._sequenceIndexes[2], 3);
 		_scene->loadAnimation(formAnimName('R', 1), 70);
-	} else if (_scene->_priorSceneId != -2) {
+	} else if (_scene->_priorSceneId != RETURNING_FROM_DIALOG) {
 		_game._player._playerPos = Common::Point(229, 129);
 		_game._player._facing = FACING_SOUTHWEST;
 	}
@@ -130,7 +130,7 @@ void Scene601::step() {
 
 	case 71:
 		_scene->_sequences.remove(_globals._sequenceIndexes[2]);
-		_globals._sequenceIndexes[2] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[2], false, 6, 1, 0, 0);
+		_globals._sequenceIndexes[2] = _scene->_sequences.addReverseSpriteCycle(_globals._spriteIndexes[2], false, 6, 1, 0, 0);
 		_scene->_sequences.setDepth(_globals._sequenceIndexes[2], 3);
 		_scene->_sequences.addSubEntry(_globals._sequenceIndexes[2], SEQUENCE_TRIGGER_EXPIRE, 0, 72);
 		break;
@@ -293,7 +293,7 @@ void Scene602::enter() {
 	if (_scene->_priorSceneId == 603) {
 		_game._player._playerPos = Common::Point(228, 126);
 		_game._player._facing = FACING_WEST;
-	} else if (_scene->_priorSceneId != -2) {
+	} else if (_scene->_priorSceneId != RETURNING_FROM_DIALOG) {
 		_game._player._playerPos = Common::Point(50, 127);
 		_game._player._facing = FACING_EAST;
 	}
@@ -313,7 +313,7 @@ void Scene602::handleSafeActions() {
 	case 0:
 		_game._player._stepEnabled = false;
 		_game._player._visible = false;
-		_globals._sequenceIndexes[5] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[5], true, 12, 1, 0, 0);
+		_globals._sequenceIndexes[5] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[5], true, 12, 1, 0, 0);
 		_scene->_sequences.setAnimRange(_globals._sequenceIndexes[5], 1, 3);
 		_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[5]);
 		_scene->_sequences.addSubEntry(_globals._sequenceIndexes[5], SEQUENCE_TRIGGER_SPRITE, 3, 1);
@@ -348,7 +348,7 @@ void Scene602::handleSafeActions() {
 			else
 				_lastSpriteIdx = _globals._spriteIndexes[3];
 
-			_lastSequenceIdx = _scene->_sequences.startReverseCycle(_lastSpriteIdx, false, 12, 1, 0, 0);
+			_lastSequenceIdx = _scene->_sequences.startPingPongCycle(_lastSpriteIdx, false, 12, 1, 0, 0);
 			_scene->_sequences.setDepth(_lastSequenceIdx, 14);
 			if (_game._objects[OBJ_DOOR_KEY]._roomNumber == _scene->_currentSceneId)
 				_scene->_hotspots.activate(NOUN_DOOR_KEY, false);
@@ -460,7 +460,7 @@ void Scene602::actions() {
 		case 0:
 			_game._player._stepEnabled = false;
 			_game._player._visible = false;
-			_globals._sequenceIndexes[5] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[5], true, 8, 1, 0, 0);
+			_globals._sequenceIndexes[5] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[5], true, 8, 1, 0, 0);
 			_scene->_sequences.setAnimRange(_globals._sequenceIndexes[5], 1, 3);
 			_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[5]);
 			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[5], SEQUENCE_TRIGGER_SPRITE, 3, 1);
@@ -585,7 +585,7 @@ void Scene603::enter() {
 		_scene->_dynamicHotspots.setPosition(_noteHotspotId, Common::Point(242, 118), FACING_NORTHEAST);
 	}
 
-	if (_scene->_priorSceneId != -2)
+	if (_scene->_priorSceneId != RETURNING_FROM_DIALOG)
 		_game._player._playerPos = Common::Point(113, 134);
 
 	sceneEntrySound();
@@ -600,7 +600,7 @@ void Scene603::actions() {
 			case 0:
 				_game._player._stepEnabled = false;
 				_game._player._visible = false;
-				_globals._sequenceIndexes[4] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[4], false, 8, 1, 0, 0);
+				_globals._sequenceIndexes[4] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[4], false, 8, 1, 0, 0);
 				_scene->_sequences.setAnimRange(_globals._sequenceIndexes[4], 1, 5);
 				_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[4]);
 				_scene->_sequences.addSubEntry(_globals._sequenceIndexes[4], SEQUENCE_TRIGGER_SPRITE, 5, 1);
@@ -750,7 +750,7 @@ void Scene604::enter() {
 	_vm->_palette->setEntry(253, 45, 24, 17);
 	_animationActiveFl = false;
 
-	if (_scene->_priorSceneId != -2) {
+	if (_scene->_priorSceneId != RETURNING_FROM_DIALOG) {
 		_game._player._playerPos = Common::Point(72, 149);
 		_game._player._facing = FACING_NORTHEAST;
 		_game._player._visible = false;
@@ -858,7 +858,7 @@ void Scene604::handleBombActions() {
 	case 0:
 		_game._player._stepEnabled = false;
 		_game._player._visible = false;
-		_globals._sequenceIndexes[5] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[5], false, 9, 1, 0, 0);
+		_globals._sequenceIndexes[5] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[5], false, 9, 1, 0, 0);
 		_scene->_sequences.setAnimRange(_globals._sequenceIndexes[5], 1, 3);
 		_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[5]);
 		if (_bombMode == 1)
@@ -908,7 +908,7 @@ void Scene604::actions() {
 		case 0:
 			_game._player._stepEnabled = false;
 			_scene->_sequences.remove(_globals._sequenceIndexes[2]);
-			_globals._sequenceIndexes[2] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[2], false, 6, 1, 0, 0);
+			_globals._sequenceIndexes[2] = _scene->_sequences.addReverseSpriteCycle(_globals._spriteIndexes[2], false, 6, 1, 0, 0);
 			_scene->_sequences.setDepth(_globals._sequenceIndexes[2], 1);
 			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[2], SEQUENCE_TRIGGER_EXPIRE, 0, 1);
 			break;
@@ -948,8 +948,14 @@ void Scene604::actions() {
 		_bombMode = 1;
 		if ((_game._difficulty == DIFFICULTY_HARD) || _globals[kWarnedFloodCity])
 			handleBombActions();
-		else if ((_game._objects.isInInventory(OBJ_POLYCEMENT) && _game._objects.isInInventory(OBJ_CHICKEN))
-			 && ((_globals[kLineStatus] == LINE_TIED) || ((_game._difficulty == DIFFICULTY_EASY) && (!_globals[kBoatRaised]))))
+		else if (
+			(_game._objects.isInInventory(OBJ_POLYCEMENT) && (_game._objects.isInInventory(OBJ_CHICKEN) || _game._objects.isInInventory(OBJ_CHICKEN_BOMB)))
+			 && (_globals[kLineStatus] == LINE_TIED || (_game._difficulty == DIFFICULTY_EASY && !_globals[kBoatRaised]))
+			)
+			// The original can get in an impossible state at this point, if the player has
+			// combined the chicken with the bomb before placing the timer bomb on the ledge.
+			// Therefore, we also allow the player to place the bomb if the chicken bomb is
+			// in the inventory.
 			handleBombActions();
 		else if (_game._difficulty == DIFFICULTY_EASY)
 			_vm->_dialogs->show(60424);
@@ -1003,12 +1009,12 @@ void Scene605::enter() {
 	_globals._spriteIndexes[5] = _scene->_sprites.addSprites(formAnimName('n', -1));
 	_globals._spriteIndexes[6] = _scene->_sprites.addSprites(formAnimName('f', -1));
 
-	_globals._sequenceIndexes[1] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[1], false, 15, 0, 0, 0);
-	_globals._sequenceIndexes[2] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[2], false, 17, 0, 0, 0);
-	_globals._sequenceIndexes[3] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[3], false, 14, 0, 0, 0);
-	_globals._sequenceIndexes[4] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[4], false, 13, 0, 0, 0);
-	_globals._sequenceIndexes[5] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[5], false, 17, 0, 0, 0);
-	_globals._sequenceIndexes[6] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[6], false, 18, 0, 0, 0);
+	_globals._sequenceIndexes[1] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[1], false, 15, 0, 0, 0);
+	_globals._sequenceIndexes[2] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[2], false, 17, 0, 0, 0);
+	_globals._sequenceIndexes[3] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[3], false, 14, 0, 0, 0);
+	_globals._sequenceIndexes[4] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[4], false, 13, 0, 0, 0);
+	_globals._sequenceIndexes[5] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[5], false, 17, 0, 0, 0);
+	_globals._sequenceIndexes[6] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[6], false, 18, 0, 0, 0);
 
 	_game._player._visible = false;
 	_game._player._stepEnabled = false;
@@ -1106,7 +1112,7 @@ void Scene607::enter() {
 	if (_scene->_priorSceneId == 608) {
 		_game._player._playerPos = Common::Point(297, 50);
 		_game._player._facing = FACING_SOUTHEAST;
-	} else if (_scene->_priorSceneId != -2) {
+	} else if (_scene->_priorSceneId != RETURNING_FROM_DIALOG) {
 		_game._player._playerPos = Common::Point(40, 104);
 		_game._player._facing = FACING_SOUTHEAST;
 		_game._player._visible = false;
@@ -1164,7 +1170,7 @@ void Scene607::step() {
 	 && !_dogBarking && (_vm->getRandomNumber(1, 50) == 10)) {
 		_dogBarking = true;
 		_scene->_sequences.remove(_globals._sequenceIndexes[1]);
-		_globals._sequenceIndexes[1] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[1], false, 5, 8, 0, 0);
+		_globals._sequenceIndexes[1] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[1], false, 5, 8, 0, 0);
 		_scene->_sequences.setDepth(_globals._sequenceIndexes[1], 6);
 		_scene->_kernelMessages.reset();
 		_scene->_sequences.addSubEntry(_globals._sequenceIndexes[1], SEQUENCE_TRIGGER_SPRITE, 2, 100);
@@ -1250,7 +1256,7 @@ void Scene607::step() {
 
 		case 61: {
 			int syncIdx = _globals._sequenceIndexes[4];
-			_globals._sequenceIndexes[4] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[4], false, 15, 3, 0, 0);
+			_globals._sequenceIndexes[4] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[4], false, 15, 3, 0, 0);
 			_scene->_sequences.setAnimRange(_globals._sequenceIndexes[4], 46, -2);
 			_scene->_sequences.setDepth(_globals._sequenceIndexes[4], 1);
 			_scene->_sequences.updateTimeout(_globals._sequenceIndexes[4], syncIdx);
@@ -1397,7 +1403,7 @@ void Scene607::actions() {
 		case 0:
 			_game._player._stepEnabled = false;
 			_scene->_sequences.remove(_globals._sequenceIndexes[2]);
-			_globals._sequenceIndexes[2] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[2], false, 6, 1, 0, 0);
+			_globals._sequenceIndexes[2] = _scene->_sequences.addReverseSpriteCycle(_globals._spriteIndexes[2], false, 6, 1, 0, 0);
 			_scene->_sequences.setDepth(_globals._sequenceIndexes[2], 4);
 			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[2], SEQUENCE_TRIGGER_EXPIRE, 0, 1);
 			break;
@@ -1778,7 +1784,7 @@ void Scene608::enter() {
 	_vm->_palette->setEntry(252, 63, 44, 30);
 	_vm->_palette->setEntry(253, 63, 20, 22);
 
-	if (_scene->_priorSceneId != -2) {
+	if (_scene->_priorSceneId != RETURNING_FROM_DIALOG) {
 		_game._player._playerPos = Common::Point(46, 132);
 		_game._player._facing = FACING_EAST;
 		if (_game._difficulty == DIFFICULTY_HARD) {
@@ -1791,7 +1797,7 @@ void Scene608::enter() {
 		if (!_dogUnderCar)
 			resetDogVariables();
 		else {
-			_globals._sequenceIndexes[10] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[10], false, 9, 0, 0, 0);
+			_globals._sequenceIndexes[10] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[10], false, 9, 0, 0, 0);
 			_scene->_sequences.setAnimRange(_globals._sequenceIndexes[10], 10, 11);
 			_scene->_sequences.setDepth(_globals._sequenceIndexes[10], 6);
 		}
@@ -1833,7 +1839,7 @@ void Scene608::step() {
 			if (_vm->getRandomNumber(1, 50) == 10) {
 				_dogBarkingFl = true;
 				_scene->_sequences.remove(_globals._sequenceIndexes[5]);
-				_globals._sequenceIndexes[5] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[5], false, 5, 8, 0, 0);
+				_globals._sequenceIndexes[5] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[5], false, 5, 8, 0, 0);
 				_scene->_sequences.setDepth(_globals._sequenceIndexes[5], 4);
 				int idx = _scene->_dynamicHotspots.add(NOUN_OBNOXIOUS_DOG, VERB_WALKTO, _globals._sequenceIndexes[5], Common::Rect(0, 0, 0, 0));
 				_scene->_dynamicHotspots.setPosition(idx, Common::Point(194, 142), FACING_EAST);
@@ -1958,7 +1964,7 @@ void Scene608::step() {
 				_game._player._visible = true;
 				_game._player._priorTimer = _scene->_activeAnimation->getNextFrameTimer() - _game._player._ticksAmount;
 			} else if (_carFrame == 41) {
-				_globals._sequenceIndexes[10] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[10], false, 9, 0, 0, 0);
+				_globals._sequenceIndexes[10] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[10], false, 9, 0, 0, 0);
 				_scene->_sequences.setAnimRange(_globals._sequenceIndexes[10], 10, 11);
 				_scene->_sequences.setDepth(_globals._sequenceIndexes[10], 6);
 				_dogUnderCar = true;
@@ -2148,7 +2154,7 @@ void Scene608::step() {
 
 		case 82: {
 			int syncIdx = _globals._sequenceIndexes[9];
-			_globals._sequenceIndexes[9] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[9], false, 15, 5, 0, 0);
+			_globals._sequenceIndexes[9] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[9], false, 15, 5, 0, 0);
 			_scene->_sequences.setAnimRange(_globals._sequenceIndexes[9], 39, 40);
 			_scene->_sequences.setDepth(_globals._sequenceIndexes[9], 5);
 			_scene->_sequences.updateTimeout(_globals._sequenceIndexes[9], syncIdx);
@@ -2219,7 +2225,7 @@ void Scene608::actions() {
 			if ((_globals[kCarStatus] == CAR_UP) || (_globals[kCarStatus] == CAR_SQUASHES_DOG) || (_globals[kCarStatus] == CAR_SQUASHES_DOG_AGAIN)) {
 				_game._player._stepEnabled = false;
 				_game._player._visible = false;
-				_globals._sequenceIndexes[3] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[3], true, 6, 2, 0, 0);
+				_globals._sequenceIndexes[3] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[3], true, 6, 2, 0, 0);
 				_scene->_sequences.setAnimRange(_globals._sequenceIndexes[3], 1, 2);
 				_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[3]);
 				_scene->_sequences.addSubEntry(_globals._sequenceIndexes[3], SEQUENCE_TRIGGER_EXPIRE, 0, 1);
@@ -2293,7 +2299,7 @@ void Scene608::actions() {
 			if ((_globals[kCarStatus] == CAR_DOWN) || (_globals[kCarStatus] == CAR_DOWN_ON_SQUASHED_DOG)) {
 				_game._player._stepEnabled = false;
 				_game._player._visible = false;
-				_globals._sequenceIndexes[3] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[3], true, 6, 2, 0, 0);
+				_globals._sequenceIndexes[3] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[3], true, 6, 2, 0, 0);
 				_scene->_sequences.setAnimRange(_globals._sequenceIndexes[3], 1, 3);
 				_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[3]);
 				_scene->_sequences.addSubEntry(_globals._sequenceIndexes[3], SEQUENCE_TRIGGER_EXPIRE, 0, 1);
@@ -2379,7 +2385,7 @@ void Scene608::actions() {
 		case 0:
 			_game._player._stepEnabled = false;
 			_game._player._visible = false;
-			_globals._sequenceIndexes[2] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[2], true, 6, 2, 0, 0);
+			_globals._sequenceIndexes[2] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[2], true, 6, 2, 0, 0);
 			_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[2]);
 			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[2], SEQUENCE_TRIGGER_SPRITE, 4, 1);
 			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[2], SEQUENCE_TRIGGER_EXPIRE, 0, 2);
@@ -2407,7 +2413,7 @@ void Scene608::actions() {
 		case 0:
 			_game._player._stepEnabled = false;
 			_game._player._visible = false;
-			_globals._sequenceIndexes[2] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[2], true, 6, 2, 0, 0);
+			_globals._sequenceIndexes[2] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[2], true, 6, 2, 0, 0);
 			_scene->_sequences.setAnimRange(_globals._sequenceIndexes[2], 1, 2);
 			_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[2]);
 			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[2], SEQUENCE_TRIGGER_SPRITE, 2, 1);
@@ -2535,7 +2541,7 @@ void Scene609::enter() {
 		_game._player._facing = FACING_EAST;
 		_scene->_sequences.addTimer(60, 60);
 		_game._player._stepEnabled = false;
-	} else if (_scene->_priorSceneId != -2) {
+	} else if (_scene->_priorSceneId != RETURNING_FROM_DIALOG) {
 		_game._player._playerPos = Common::Point(86, 136);
 		_game._player._facing = FACING_NORTHEAST;
 		_game._player._visible = false;
@@ -2574,7 +2580,7 @@ void Scene609::step() {
 
 	case 62:
 		_scene->_sequences.remove( _globals._sequenceIndexes[2]);
-		_globals._sequenceIndexes[2] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[2], false, 7, 1, 0, 0);
+		_globals._sequenceIndexes[2] = _scene->_sequences.addReverseSpriteCycle(_globals._spriteIndexes[2], false, 7, 1, 0, 0);
 		_scene->_hotspots.activate(NOUN_VIDEO_STORE_DOOR, true);
 		_scene->_sequences.setDepth(_globals._sequenceIndexes[2], 9);
 		_scene->_sequences.addSubEntry(_globals._sequenceIndexes[2], SEQUENCE_TRIGGER_EXPIRE, 0, 63);
@@ -2582,7 +2588,7 @@ void Scene609::step() {
 
 	case 63:
 		if (!_globals[kHasTalkedToHermit] && (_game._difficulty != DIFFICULTY_HARD)) {
-			_globals._sequenceIndexes[3] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[3], false, 26, 2, 0, 0);
+			_globals._sequenceIndexes[3] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[3], false, 26, 2, 0, 0);
 			_scene->_sequences.setDepth(_globals._sequenceIndexes[3], 7);
 			_scene->_sequences.setPosition(_globals._sequenceIndexes[3], Common::Point(287, 73));
 			_scene->_sequences.setScale(_globals._sequenceIndexes[3], 47);
@@ -2605,7 +2611,7 @@ void Scene609::step() {
 
 	case 71:
 		if (!_globals[kHasTalkedToHermit]) {
-			_globals._sequenceIndexes[3] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[3], false, 26, 2, 0, 0);
+			_globals._sequenceIndexes[3] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[3], false, 26, 2, 0, 0);
 			_scene->_sequences.setDepth(_globals._sequenceIndexes[3], 7);
 			_scene->_sequences.setPosition(_globals._sequenceIndexes[3], Common::Point(287, 73));
 			_scene->_sequences.setScale(_globals._sequenceIndexes[3], 47);
@@ -2648,7 +2654,7 @@ void Scene609::enterStore() {
 
 	case 2:
 		_game._player._visible = false;
-		_globals._sequenceIndexes[5] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[5], true, 11, 2, 0, 0);
+		_globals._sequenceIndexes[5] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[5], true, 11, 2, 0, 0);
 		_scene->_sequences.setAnimRange(_globals._sequenceIndexes[5], 1, 2);
 		_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[5]);
 		_scene->_sequences.addSubEntry(_globals._sequenceIndexes[5], SEQUENCE_TRIGGER_EXPIRE, 0, 3);
@@ -2690,7 +2696,7 @@ void Scene609::enterStore() {
 
 	case 7:
 		_scene->_sequences.remove(_globals._sequenceIndexes[2]);
-		_globals._sequenceIndexes[2] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[2], false, 7, 1, 0, 0);
+		_globals._sequenceIndexes[2] = _scene->_sequences.addReverseSpriteCycle(_globals._spriteIndexes[2], false, 7, 1, 0, 0);
 		_scene->_sequences.setDepth(_globals._sequenceIndexes[2], 9);
 		_scene->_sequences.addSubEntry(_globals._sequenceIndexes[2], SEQUENCE_TRIGGER_EXPIRE, 0, 8);
 		break;
@@ -2766,7 +2772,7 @@ void Scene609::actions() {
 		case 0:
 			_game._player._stepEnabled = false;
 			_scene->_sequences.remove(_globals._sequenceIndexes[1]);
-			_globals._sequenceIndexes[1] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[1], false, 6, 1, 0, 0);
+			_globals._sequenceIndexes[1] = _scene->_sequences.addReverseSpriteCycle(_globals._spriteIndexes[1], false, 6, 1, 0, 0);
 			_scene->_sequences.setDepth(_globals._sequenceIndexes[1], 5);
 			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[1], SEQUENCE_TRIGGER_EXPIRE, 0, 1);
 			break;
@@ -2884,7 +2890,7 @@ void Scene610::enter() {
 	if (_scene->_roomChanged && _game._difficulty != DIFFICULTY_EASY)
 		_game._objects.addToInventory(OBJ_PENLIGHT);
 
-	if (_scene->_priorSceneId != -2) {
+	if (_scene->_priorSceneId != RETURNING_FROM_DIALOG) {
 		_game._player._playerPos = Common::Point(175, 152);
 		_game._player._facing = FACING_NORTHWEST;
 	}
@@ -2922,7 +2928,7 @@ void Scene610::actions() {
 			case 0:
 				_game._player._stepEnabled = false;
 				_game._player._visible = false;
-				_globals._sequenceIndexes[2] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[2], true, 8, 1, 0, 0);
+				_globals._sequenceIndexes[2] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[2], true, 8, 1, 0, 0);
 				_scene->_sequences.setAnimRange(_globals._sequenceIndexes[2], 1, 2);
 				_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[2]);
 				_scene->_sequences.addSubEntry(_globals._sequenceIndexes[2], SEQUENCE_TRIGGER_SPRITE, 2, 1);
@@ -2952,7 +2958,7 @@ void Scene610::actions() {
 		case 0:
 			_game._player._stepEnabled = false;
 			_game._player._visible = false;
-			_globals._sequenceIndexes[2] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[2], true, 8, 1, 0, 0);
+			_globals._sequenceIndexes[2] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[2], true, 8, 1, 0, 0);
 			_scene->_sequences.setAnimRange(_globals._sequenceIndexes[2], 1, 2);
 			_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[2]);
 			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[2], SEQUENCE_TRIGGER_SPRITE, 2, 1);
@@ -3155,7 +3161,7 @@ bool Scene611::check2ChargedBatteries() {
 }
 
 bool Scene611::check4ChargedBatteries() {
-	if (_game._objects.isInInventory(OBJ_DURAFAIL_CELLS) && _game._objects.isInInventory(OBJ_PHONE_CELLS) 
+	if (_game._objects.isInInventory(OBJ_DURAFAIL_CELLS) && _game._objects.isInInventory(OBJ_PHONE_CELLS)
 			&& _globals[kDurafailRecharged])
 		return true;
 
@@ -3253,6 +3259,8 @@ void Scene611::handleSubDialog1() {
 		handleTalking(500);
 		displayHermitQuestions(17);
 		_dialog1.write(0x290, false);
+		_dialog1.write(0x28e, false);
+
 		if (!_dialog1.read(0x28F))
 			_dialog1.write(0x291, true);
 
@@ -3271,8 +3279,9 @@ void Scene611::handleSubDialog1() {
 		if ((_game._objects.isInInventory(OBJ_DURAFAIL_CELLS)) || (_game._objects.isInInventory(OBJ_PHONE_CELLS)))
 			_dialog1.write(0x294, true);
 
-		if (!_game._objects.isInInventory(OBJ_DURAFAIL_CELLS) && !_game._objects.isInInventory(OBJ_PHONE_CELLS))
-			_globals[kExecuted_1_11] = true;
+		// WORKAROUND: Fix bug in the original where the option to give Hermit batteries
+		// would be given before the player even has any batteries
+		_globals[kHermitWantsBatteries] = true;
 
 		setDialogNode(1);
 		break;
@@ -3826,29 +3835,29 @@ void Scene611::displayHermitQuestions(int question) {
 		Common::String curQuote = _game.getQuote(0x2D3);
 		int width = _vm->_font->getWidth(curQuote, _scene->_textSpacing);
 		int quotePosX = _defaultDialogPos.x - (width / 2);
-		_scene->_kernelMessages.add(Common::Point(quotePosX, _defaultDialogPos.y + 3), 0xFDFC, 0, 0, 9999999, curQuote);
+		_scene->_kernelMessages.add(Common::Point(quotePosX, _defaultDialogPos.y + 3), 0xFDFC, 0, 0, 800, curQuote);
 
 		curQuote = _game.getQuote(0x2D4);
 		width = _vm->_font->getWidth(curQuote, _scene->_textSpacing);
 		quotePosX = _defaultDialogPos.x - (width / 2);
-		_scene->_kernelMessages.add(Common::Point(quotePosX, _defaultDialogPos.y + 17), 0xFDFC, 0, 0, 9999999, curQuote);
+		_scene->_kernelMessages.add(Common::Point(quotePosX, _defaultDialogPos.y + 17), 0xFDFC, 0, 0, 800, curQuote);
 
 		curQuote = _game.getQuote(0x2D5);
 		width = _vm->_font->getWidth(curQuote, _scene->_textSpacing);
 		quotePosX = _defaultDialogPos.x - (width / 2);
-		_scene->_kernelMessages.add(Common::Point(quotePosX, _defaultDialogPos.y + 31), 0xFDFC, 0, 0, 9999999, curQuote);
+		_scene->_kernelMessages.add(Common::Point(quotePosX, _defaultDialogPos.y + 31), 0xFDFC, 0, 0, 800, curQuote);
 
 		curQuote = _game.getQuote(0x2D6);
 		width = _vm->_font->getWidth(curQuote, _scene->_textSpacing);
 		quotePosX = _defaultDialogPos.x - (width / 2);
-		_scene->_kernelMessages.add(Common::Point(quotePosX, _defaultDialogPos.y + 45), 0xFDFC, 0, 0, 9999999, curQuote);
+		_scene->_kernelMessages.add(Common::Point(quotePosX, _defaultDialogPos.y + 45), 0xFDFC, 0, 0, 800, curQuote);
 
 		curQuote = _game.getQuote(0x2D7);
 		width = _vm->_font->getWidth(curQuote, _scene->_textSpacing);
 		quotePosX = _defaultDialogPos.x - (width / 2);
-		_scene->_kernelMessages.add(Common::Point(quotePosX, _defaultDialogPos.y + 59), 0xFDFC, 0, 0, 9999999, curQuote);
-		 }
-		 break;
+		_scene->_kernelMessages.add(Common::Point(quotePosX, _defaultDialogPos.y + 59), 0xFDFC, 0, 0, 800, curQuote);
+		}
+		break;
 
 	case 22: {
 		Common::String curQuote = _game.getQuote(0x2D8);
@@ -3921,14 +3930,14 @@ void Scene611::enter() {
 		0x2D9, 0x2DA, 0x2DB, 0x2DC, 0x2DD, 0x2DE, 0x2DF, 0x2E0, 0x2E1, 0x2E2, 0x2E3, 0x2E4, 0x2E5, 0x2E6,
 		0x323, 0x324, 0);
 
-	_dialog1.setup(0x82, 0x287, 0x288, 0x289, 0x28A, 0x28B, 0x28C, 0x28D, 0x28E, 0x28F, 0x290,
+	_dialog1.setup(kConvHermit1, 0x287, 0x288, 0x289, 0x28A, 0x28B, 0x28C, 0x28D, 0x28E, 0x28F, 0x290, 
 		0x291, 0x292, 0x293, 0x294, 0x295, 0x296, 0);
 
-	_dialog2.setup(0x83, 0x29C, 0x29D, 0x29E, 0x29F, 0);
+	_dialog2.setup(kConvHermit2, 0x29C, 0x29D, 0x29E, 0x29F, 0);
 
 	if (!_game._visitedScenes._sceneRevisited) {
-		_dialog1.set(0x82, 0x287, 0x288, 0x296, 0);
-		_dialog2.set(0x83, 0x29F, 0);
+		_dialog1.set(kConvHermit1, 0x287, 0x288, 0x296, 0);
+		_dialog2.set(kConvHermit2, 0x29F, 0);
 	}
 
 	_vm->_palette->setEntry(252, 51, 51, 47);
@@ -3945,7 +3954,7 @@ void Scene611::enter() {
 	_alreadyTalkingFl = false;
 	_startTradingFl = false;
 
-	if (_scene->_priorSceneId != -2) {
+	if (_scene->_priorSceneId != RETURNING_FROM_DIALOG) {
 		_game._player._playerPos = Common::Point(22, 132);
 		_game._player._facing = FACING_EAST;
 		_duringDialogFl = false;
@@ -3964,11 +3973,10 @@ void Scene611::enter() {
 		_scene->_hotspots.activate(NOUN_HERMIT, false);
 	}
 
-	// CHECKME: The last line of the block looks extremely useless
-	if (_globals[kExecuted_1_11]) {
-		_dialog1.write(0x294, true);
-		_dialog1.write(0x292, false);
-		_globals[kExecuted_1_11] = true;
+	// WORKAROUND: Fix original adding 'give batteries' option even if you don't have them
+	if (_globals[kHermitWantsBatteries]) {
+		if ((_game._objects.isInInventory(OBJ_DURAFAIL_CELLS)) || (_game._objects.isInInventory(OBJ_PHONE_CELLS)))
+			_dialog1.write(0x294, true);
 	}
 
 	if (_duringDialogFl) {
@@ -4012,7 +4020,7 @@ void Scene611::step() {
 		_scene->_sequences.addSubEntry(_globals._sequenceIndexes[1], SEQUENCE_TRIGGER_EXPIRE, 0, 81);
 	} else if (_game._trigger == 81) {
 		int syncId = _globals._sequenceIndexes[1];
-		_globals._sequenceIndexes[1] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[1], false, 20, 0, 0, 0);
+		_globals._sequenceIndexes[1] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[1], false, 20, 0, 0, 0);
 		int idx = _scene->_dynamicHotspots.add(NOUN_RAT, VERB_WALKTO, _globals._sequenceIndexes[1], Common::Rect(0, 0, 0, 0));
 		_ratHotspotId = _scene->_dynamicHotspots.setPosition(idx, Common::Point(272, 154), FACING_SOUTHEAST);
 		_scene->_sequences.setAnimRange(_globals._sequenceIndexes[1], 9, 10);
@@ -4040,7 +4048,7 @@ void Scene611::step() {
 			break;
 
 		case 6:
-			_globals._sequenceIndexes[2] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[2], false, 12, 3, 0, 0);
+			_globals._sequenceIndexes[2] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[2], false, 12, 3, 0, 0);
 			_scene->_sequences.setAnimRange(_globals._sequenceIndexes[2], 2, 4);
 			_scene->_sequences.setDepth(_globals._sequenceIndexes[2], 1);
 			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[2], SEQUENCE_TRIGGER_EXPIRE, 0, 71);
@@ -4260,7 +4268,7 @@ void Scene611::step() {
 	if (_hermitMode == 6) {
 		if ((_scene->_activeAnimation->getCurrentFrame() == 9) && _check1Fl) {
 			_scene->_sequences.remove(_globals._sequenceIndexes[3]);
-			_globals._sequenceIndexes[3] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[3], false, 7, 1, 0, 0);
+			_globals._sequenceIndexes[3] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[3], false, 7, 1, 0, 0);
 			_scene->_sequences.setAnimRange(_globals._sequenceIndexes[3], 1, 2);
 			_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[3]);
 			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[3], SEQUENCE_TRIGGER_EXPIRE, 0, 112);
@@ -4300,7 +4308,7 @@ void Scene611::step() {
 		_resetBatterieText = true;
 		int syncIdx = _globals._sequenceIndexes[3];
 		_nextFrame = 10;
-		_globals._sequenceIndexes[3] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[3], false, 7, 1, 0, 0);
+		_globals._sequenceIndexes[3] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[3], false, 7, 1, 0, 0);
 		_scene->_sequences.setAnimRange(_globals._sequenceIndexes[3], 1, 2);
 		_scene->_sequences.updateTimeout(_globals._sequenceIndexes[3], syncIdx);
 		_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[3]);
@@ -4488,7 +4496,7 @@ void Scene612::handleWinchMovement() {
 	case 0:
 		_game._player._stepEnabled = false;
 		_game._player._visible = false;
-		_globals._sequenceIndexes[4] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[4], false, 10, 1, 0, 0);
+		_globals._sequenceIndexes[4] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[4], false, 10, 1, 0, 0);
 		_scene->_sequences.setAnimRange(_globals._sequenceIndexes[4], 1, 5);
 		_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[4]);
 		_scene->_sequences.addSubEntry(_globals._sequenceIndexes[4], SEQUENCE_TRIGGER_SPRITE, 5, 1);
@@ -4506,7 +4514,7 @@ void Scene612::handleWinchMovement() {
 			_globals[kBoatRaised] = false;
 		} else {
 			_scene->_sequences.remove(_globals._sequenceIndexes[2]);
-			_globals._sequenceIndexes[2] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[2], false, 17, 9, 0, 0);
+			_globals._sequenceIndexes[2] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[2], false, 17, 9, 0, 0);
 			_vm->_sound->command(18);
 		}
 		_scene->_sequences.setDepth(_globals._sequenceIndexes[2], 1);
@@ -4558,7 +4566,7 @@ void Scene612::enter() {
 	_globals._sequenceIndexes[2] = _scene->_sequences.startCycle(_globals._spriteIndexes[2], false, _cycleIndex);
 	_scene->_sequences.setDepth(_globals._sequenceIndexes[2], 1);
 
-	if (_scene->_priorSceneId != -2) {
+	if (_scene->_priorSceneId != RETURNING_FROM_DIALOG) {
 		_game._player._playerPos = Common::Point(280, 75);
 		_game._player._facing = FACING_SOUTHWEST;
 		_game._player._visible = false;
@@ -4608,7 +4616,7 @@ void Scene612::actions() {
 		case 0:
 			_game._player._stepEnabled = false;
 			_scene->_sequences.remove(_globals._sequenceIndexes[1]);
-			_globals._sequenceIndexes[1] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[1], false, 6, 1, 0, 0);
+			_globals._sequenceIndexes[1] = _scene->_sequences.addReverseSpriteCycle(_globals._spriteIndexes[1], false, 6, 1, 0, 0);
 			_scene->_sequences.setDepth(_globals._sequenceIndexes[1], 2);
 			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[1], SEQUENCE_TRIGGER_EXPIRE, 0, 1);
 			break;
diff --git a/engines/mads/nebular/nebular_scenes6.h b/engines/mads/nebular/nebular_scenes6.h
index c5cac56626..4fc4a2e8ae 100644
--- a/engines/mads/nebular/nebular_scenes6.h
+++ b/engines/mads/nebular/nebular_scenes6.h
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
diff --git a/engines/mads/nebular/nebular_scenes7.cpp b/engines/mads/nebular/nebular_scenes7.cpp
index 930bb7c250..c2a249e5f8 100644
--- a/engines/mads/nebular/nebular_scenes7.cpp
+++ b/engines/mads/nebular/nebular_scenes7.cpp
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
@@ -148,17 +148,20 @@ void Scene701::enter() {
 
 	switch (boatStatus) {
 	case BOAT_TIED_FLOATING:
-		_globals._sequenceIndexes[4] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[4], false, 20, 0, 0, 0);
+		_globals._sequenceIndexes[4] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[4], false, 20, 0, 0, 0);
 		_scene->_sequences.setDepth(_globals._sequenceIndexes[4], 10);
 		break;
 	case BOAT_ADRIFT:
-		_globals._sequenceIndexes[6] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[6], false, 20, 0, 0, 0);
+		_globals._sequenceIndexes[6] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[6], false, 20, 0, 0, 0);
 		_scene->_sequences.setDepth(_globals._sequenceIndexes[6], 10);
 		break;
-	case BOAT_TIED:
+	case BOAT_TIED: {
 		_globals._sequenceIndexes[2] = _scene->_sequences.startCycle(_globals._spriteIndexes[2], false, -1);
 		_scene->_sequences.setDepth(_globals._sequenceIndexes[2], 9);
+		int idx = _scene->_dynamicHotspots.add(837, 759, _globals._sequenceIndexes[2], Common::Rect());
+		_scene->_dynamicHotspots.setPosition(idx, Common::Point(231, 127), FACING_NORTH);
 		break;
+	}
 	case BOAT_GONE:
 		_scene->_hotspots.activate(NOUN_BOAT, false);
 		break;
@@ -191,7 +194,7 @@ void Scene701::enter() {
 		_game._player._stepEnabled = false;
 		_scene->loadAnimation(formAnimName('B', 1), 80);
 		_vm->_sound->command(28);
-	} else if (_scene->_priorSceneId != -2 && _scene->_priorSceneId != 620) {
+	} else if (_scene->_priorSceneId != RETURNING_FROM_DIALOG && _scene->_priorSceneId != 620) {
 		_game._player._playerPos = Common::Point(22, 131);
 		_game._player._facing = FACING_EAST;
 		_game._player._stepEnabled = false;
@@ -206,7 +209,7 @@ void Scene701::step() {
 	switch(_game._trigger) {
 	case 60:
 		_scene->_sequences.remove(_globals._sequenceIndexes[5]);
-		_globals._sequenceIndexes[5] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[5], false, 6, 1, 0, 0);
+		_globals._sequenceIndexes[5] = _scene->_sequences.addReverseSpriteCycle(_globals._spriteIndexes[5], false, 6, 1, 0, 0);
 		_scene->_sequences.setPosition(_globals._sequenceIndexes[5], Common::Point(155, 129));
 		_scene->_sequences.addSubEntry(_globals._sequenceIndexes[5], SEQUENCE_TRIGGER_EXPIRE, 0, 61);
 		break;
@@ -276,10 +279,8 @@ void Scene701::preActions() {
 }
 
 void Scene701::actions() {
-	if (_action.isAction(VERB_WALK_ALONG, NOUN_PLATFORM))
-		return;
-
-	if (_action.isAction(VERB_LOOK, NOUN_BINOCULARS, NOUN_BUILDING) && _game._objects[OBJ_VASE]._roomNumber == 706) {
+	if (_action.isAction(VERB_WALK_ALONG, NOUN_PLATFORM)) {
+	} else if (_action.isAction(VERB_LOOK, NOUN_BINOCULARS, NOUN_BUILDING) && _game._objects[OBJ_VASE]._roomNumber == 706) {
 		switch (_game._trigger) {
 		case 0:
 			_game._player._stepEnabled = false;
@@ -326,7 +327,7 @@ void Scene701::actions() {
 
 		case 3:
 			_vm->_sound->command(17);
-			_globals._sequenceIndexes[1] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[1], false, 5, 1, 0, 0);
+			_globals._sequenceIndexes[1] = _scene->_sequences.addReverseSpriteCycle(_globals._spriteIndexes[1], false, 5, 1, 0, 0);
 			_scene->_sequences.setPosition(_globals._sequenceIndexes[1], Common::Point(48, 136));
 			_scene->_sequences.setDepth(_globals._sequenceIndexes[1], 10);
 			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[1], SEQUENCE_TRIGGER_EXPIRE, 0, 4);
@@ -415,7 +416,7 @@ void Scene701::actions() {
 			_vm->_dialogs->show(70111);
 	} else if (_action.isAction(VERB_LOOK, NOUN_SUBMERGED_CITY))
 		_vm->_dialogs->show(70112);
-	else if (_action.isAction(VERB_LOOK, 0))
+	else if (_action.isAction(VERB_LOOK, NOUN_ELEVATOR))
 		_vm->_dialogs->show(70113);
 	else if (_action.isAction(VERB_LOOK, NOUN_PLATFORM))
 		_vm->_dialogs->show(70114);
@@ -460,7 +461,7 @@ void Scene702::enter() {
 	if (_scene->_priorSceneId == 701) {
 		_game._player._playerPos = Common::Point(13, 145);
 		_game._player._facing = FACING_EAST;
-	} else if (_scene->_priorSceneId != -2 && _scene->_priorSceneId != 620) {
+	} else if (_scene->_priorSceneId != RETURNING_FROM_DIALOG && _scene->_priorSceneId != 620) {
 		_game._player._playerPos = Common::Point(289, 138);
 		_game._player.walk(Common::Point(262, 148), FACING_WEST);
 		_game._player._facing = FACING_WEST;
@@ -502,7 +503,7 @@ void Scene702::actions() {
 		case 0:
 			_game._player._stepEnabled = false;
 			_game._player._visible = false;
-			_globals._sequenceIndexes[12] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[12], false, 5, 2, 0, 0);
+			_globals._sequenceIndexes[12] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[12], false, 5, 2, 0, 0);
 			_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[12]);
 			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[12], SEQUENCE_TRIGGER_SPRITE, 4, 1);
 			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[12], SEQUENCE_TRIGGER_EXPIRE, 0, 2);
@@ -694,7 +695,7 @@ void Scene703::enter() {
 		_monsterMode = 0;
 		_scene->loadAnimation(formAnimName('A', -1));
 		_scene->_activeAnimation->setCurrentFrame(34);
-	} else if (_scene->_priorSceneId != -2) {
+	} else if (_scene->_priorSceneId != RETURNING_FROM_DIALOG) {
 		_game._player._stepEnabled = false;
 		_boatDir = 1;
 		if (_globals[kMonsterAlive]) {
@@ -1218,7 +1219,7 @@ void Scene704::handleFillBottle(int quote) {
 void Scene704::enter() {
 	if (_game._objects[OBJ_BOTTLE]._roomNumber == _scene->_currentSceneId) {
 		_globals._spriteIndexes[1] = _scene->_sprites.addSprites(formAnimName('b', 0));
-		_globals._sequenceIndexes[1] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[1], false, 6, 0, 0, 0);
+		_globals._sequenceIndexes[1] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[1], false, 6, 0, 0, 0);
 		_scene->_sequences.setDepth(_globals._sequenceIndexes[1], 1);
 		if (_scene->_priorSceneId == 705) {
 			_scene->_sequences.setPosition(_globals._sequenceIndexes[1], Common::Point(123, 125));
@@ -1241,7 +1242,7 @@ void Scene704::enter() {
 		_boatDirection = 2;
 		_scene->loadAnimation(formAnimName('A', -1));
 		_scene->_activeAnimation->setCurrentFrame(36);
-	} else if (_scene->_priorSceneId != -2) {
+	} else if (_scene->_priorSceneId != RETURNING_FROM_DIALOG) {
 		_game._player._stepEnabled = false;
 		_boatDirection = 1;
 		_scene->loadAnimation(formAnimName('A', -1));
@@ -1567,7 +1568,7 @@ void Scene705::enter() {
 		_globals._sequenceIndexes[3] = _scene->_sequences.addReverseSpriteCycle(_globals._spriteIndexes[3], false, 9, 1, 0, 0);
 		_scene->_sequences.setAnimRange(_globals._sequenceIndexes[3], 1, 4);
 		_scene->_sequences.addSubEntry(_globals._sequenceIndexes[3], SEQUENCE_TRIGGER_EXPIRE, 0, 71);
-	} else if (_scene->_priorSceneId != -2) {
+	} else if (_scene->_priorSceneId != RETURNING_FROM_DIALOG) {
 		_game._player._stepEnabled = false;
 		_scene->_sequences.addTimer(1, 80);
 		_vm->_sound->command(28);
@@ -1585,7 +1586,7 @@ void Scene705::enter() {
 void Scene705::step() {
 	switch (_game._trigger) {
 	case 70:
-		_globals._sequenceIndexes[3] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[3], false, 9, 1, 0, 0);
+		_globals._sequenceIndexes[3] = _scene->_sequences.addReverseSpriteCycle(_globals._spriteIndexes[3], false, 9, 1, 0, 0);
 		_scene->_sequences.setAnimRange(_globals._sequenceIndexes[3], 1, 4);
 		_scene->_sequences.addSubEntry(_globals._sequenceIndexes[3], SEQUENCE_TRIGGER_EXPIRE, 0, 71);
 		break;
@@ -1798,7 +1799,7 @@ void Scene706::handleTakeVase() {
 	case 0:
 		_game._player._stepEnabled = false;
 		_game._player._visible = false;
-		_globals._sequenceIndexes[3] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[3], false, 4, 2, 0, 0);
+		_globals._sequenceIndexes[3] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[3], false, 4, 2, 0, 0);
 		_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[3]);
 		_scene->_sequences.addSubEntry(_globals._sequenceIndexes[3], SEQUENCE_TRIGGER_SPRITE, 7, 1);
 		_scene->_sequences.addSubEntry(_globals._sequenceIndexes[3], SEQUENCE_TRIGGER_EXPIRE, 0, 2);
@@ -1854,7 +1855,7 @@ void Scene706::enter() {
 	if (_scene->_priorSceneId == 707) {
 		_game._player._playerPos = Common::Point(277, 103);
 		_game._player._facing = FACING_SOUTHWEST;
-	} else if (_scene->_priorSceneId != -2) {
+	} else if (_scene->_priorSceneId != RETURNING_FROM_DIALOG) {
 		_game._player._playerPos = Common::Point(167, 152);
 		_game._player._facing = FACING_NORTH;
 	}
@@ -2087,7 +2088,7 @@ void Scene710::enter() {
 
 	if (_game._objects[OBJ_VASE]._roomNumber == 706) {
 		_globals._spriteIndexes[1] = _scene->_sprites.addSprites(formAnimName('g', -1));
-		_globals._sequenceIndexes[1] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[1], false, 6, 0, 0, 0);
+		_globals._sequenceIndexes[1] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[1], false, 6, 0, 0, 0);
 	}
 
 	_game._player._visible = false;
@@ -2213,7 +2214,7 @@ void Scene751::enter() {
 		_globals._sequenceIndexes[4] = _scene->_sequences.startCycle(_globals._spriteIndexes[4], false, -2);
 		_scene->_sequences.setPosition(_globals._sequenceIndexes[4], Common::Point(155, 129));
 		_scene->_sequences.addTimer(15, 70);
-	} else if (_scene->_priorSceneId != -2) {
+	} else if (_scene->_priorSceneId != RETURNING_FROM_DIALOG) {
 		_game._player._playerPos = Common::Point(22, 131);
 		_game._player._facing = FACING_EAST;
 		_game._player._stepEnabled = false;
@@ -2248,7 +2249,7 @@ void Scene751::step() {
 	switch (_game._trigger) {
 	case 70:
 		_scene->_sequences.remove(_globals._sequenceIndexes[4]);
-		_globals._sequenceIndexes[4] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[4], false, 6, 1, 0, 0);
+		_globals._sequenceIndexes[4] = _scene->_sequences.addReverseSpriteCycle(_globals._spriteIndexes[4], false, 6, 1, 0, 0);
 		_scene->_sequences.setPosition(_globals._sequenceIndexes[4], Common::Point(155, 129));
 		_scene->_sequences.addSubEntry(_globals._sequenceIndexes[4], SEQUENCE_TRIGGER_EXPIRE, 0, 71);
 		break;
@@ -2287,7 +2288,7 @@ void Scene751::step() {
 
 	case 62:
 		_vm->_sound->command(17);
-		_globals._sequenceIndexes[1] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[1], false, 5, 1, 0, 0);
+		_globals._sequenceIndexes[1] = _scene->_sequences.addReverseSpriteCycle(_globals._spriteIndexes[1], false, 5, 1, 0, 0);
 		_scene->_sequences.setPosition(_globals._sequenceIndexes[1], Common::Point(48, 136));
 		_scene->_sequences.setDepth(_globals._sequenceIndexes[1], 10);
 		_scene->_sequences.addSubEntry(_globals._sequenceIndexes[1], SEQUENCE_TRIGGER_EXPIRE, 0, 63);
@@ -2329,7 +2330,7 @@ void Scene751::preActions() {
 			_game._player._readyToWalk = false;
 			_game._player._stepEnabled = false;
 			_scene->_sequences.remove(_globals._sequenceIndexes[2]);
-			_globals._sequenceIndexes[2] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[2], false, 11, 1, 0, 0);
+			_globals._sequenceIndexes[2] = _scene->_sequences.addReverseSpriteCycle(_globals._spriteIndexes[2], false, 11, 1, 0, 0);
 			_scene->_sequences.setAnimRange(_globals._sequenceIndexes[2], -1, 7);
 			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[2], SEQUENCE_TRIGGER_EXPIRE, 0, 1);
 			break;
@@ -2398,7 +2399,7 @@ void Scene751::actions() {
 
 		case 3:
 			_vm->_sound->command(17);
-			_globals._sequenceIndexes[1] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[1], false, 5, 1, 0, 0);
+			_globals._sequenceIndexes[1] = _scene->_sequences.addReverseSpriteCycle(_globals._spriteIndexes[1], false, 5, 1, 0, 0);
 			_scene->_sequences.setPosition(_globals._sequenceIndexes[1], Common::Point(48, 136));
 			_scene->_sequences.setDepth(_globals._sequenceIndexes[1], 10);
 			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[1], SEQUENCE_TRIGGER_EXPIRE, 0, 4);
@@ -2527,7 +2528,7 @@ void Scene752::enter() {
 	if (_scene->_priorSceneId == 751) {
 		_game._player._playerPos = Common::Point(13, 145);
 		_game._player._facing = FACING_EAST;
-	} else if (_scene->_priorSceneId != -2) {
+	} else if (_scene->_priorSceneId != RETURNING_FROM_DIALOG) {
 		_game._player._playerPos = Common::Point(289, 138);
 		_game._player.walk(Common::Point(262, 148), FACING_WEST);
 		_game._player._facing = FACING_WEST;
@@ -2597,7 +2598,7 @@ void Scene752::actions() {
 		case 0:
 			_game._player._stepEnabled = false;
 			_game._player._visible = false;
-			_globals._sequenceIndexes[12] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[12], false, 5, 2, 0, 0);
+			_globals._sequenceIndexes[12] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[12], false, 5, 2, 0, 0);
 			_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[12]);
 			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[12], SEQUENCE_TRIGGER_SPRITE, 4, 1);
 			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[12], SEQUENCE_TRIGGER_EXPIRE, 0, 2);
@@ -2616,13 +2617,13 @@ void Scene752::actions() {
 		default:
 			break;
 		}
-	} else if (_action.isAction(VERB_TAKE, NOUN_BONES) && (_action._savedFields._mainObjectSource == CAT_HOTSPOT) && 
+	} else if (_action.isAction(VERB_TAKE, NOUN_BONES) && (_action._savedFields._mainObjectSource == CAT_HOTSPOT) &&
 			(!_game._objects.isInInventory(OBJ_BONES) || _game._trigger)) {
 		switch (_game._trigger) {
 		case 0:
 			_game._player._stepEnabled = false;
 			_game._player._visible = false;
-			_globals._sequenceIndexes[12] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[12], false, 5, 2, 0, 0);
+			_globals._sequenceIndexes[12] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[12], false, 5, 2, 0, 0);
 			_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[12]);
 			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[12], SEQUENCE_TRIGGER_SPRITE, 4, 1);
 			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[12], SEQUENCE_TRIGGER_EXPIRE, 0, 2);
diff --git a/engines/mads/nebular/nebular_scenes7.h b/engines/mads/nebular/nebular_scenes7.h
index dfb3c0f16e..b5aeba818c 100644
--- a/engines/mads/nebular/nebular_scenes7.h
+++ b/engines/mads/nebular/nebular_scenes7.h
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
diff --git a/engines/mads/nebular/nebular_scenes8.cpp b/engines/mads/nebular/nebular_scenes8.cpp
index 14f36756de..a904569624 100644
--- a/engines/mads/nebular/nebular_scenes8.cpp
+++ b/engines/mads/nebular/nebular_scenes8.cpp
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
@@ -121,7 +121,7 @@ void Scene801::enter() {
 		_game._player._playerPos = Common::Point(307, 111);
 		_game._player.walk(Common::Point(270, 118), FACING_WEST);
 		_game._player._visible = true;
-	} else if ((_scene->_priorSceneId != -2) && !_globals[kTeleporterCommand]) {
+	} else if ((_scene->_priorSceneId != RETURNING_FROM_DIALOG) && !_globals[kTeleporterCommand]) {
 		_game._player._playerPos = Common::Point(8, 117);
 		_game._player.walk(Common::Point(41, 115), FACING_EAST);
 		_game._player._visible = true;
@@ -145,10 +145,10 @@ void Scene801::enter() {
 		case 2:
 			_game._player._playerPos = Common::Point(8, 117);
 			_globals[kTeleporterUnderstood] = true;
-			_globals._sequenceIndexes[1] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[1], false, 8, 1, 0, 0);
+			_globals._sequenceIndexes[1] = _scene->_sequences.addReverseSpriteCycle(_globals._spriteIndexes[1], false, 8, 1, 0, 0);
 			_scene->_sequences.setAnimRange(_globals._sequenceIndexes[1], 1, 13);
 			_game._triggerSetupMode = SEQUENCE_TRIGGER_DAEMON;
-			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[1], SEQUENCE_TRIGGER_EXPIRE, 0, 8090);
+			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[1], SEQUENCE_TRIGGER_EXPIRE, 0, 80);
 			_vm->_sound->command(30);
 			break;
 
@@ -283,7 +283,7 @@ void Scene801::actions() {
 		_globals[kBetweenRooms] = true;
 		_game._triggerSetupMode = SEQUENCE_TRIGGER_DAEMON;
 		_scene->_sequences.remove(_globals._sequenceIndexes[2]);
-		_globals._sequenceIndexes[2] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[2], false, 4, 1, 0, 0);
+		_globals._sequenceIndexes[2] = _scene->_sequences.addReverseSpriteCycle(_globals._spriteIndexes[2], false, 4, 1, 0, 0);
 		_scene->_sequences.addSubEntry(_globals._sequenceIndexes[2], SEQUENCE_TRIGGER_EXPIRE, 0, 90);
 		_scene->_sequences.setAnimRange(_globals._sequenceIndexes[2], 1, 5);
 		_scene->_sequences.setDepth(_globals._sequenceIndexes[2], 13);
@@ -346,7 +346,7 @@ void Scene802::enter() {
 		_game._player._playerPos = Common::Point(303, 119);
 		_game._player._facing = FACING_WEST;
 
-	} else if (_scene->_priorSceneId != -2) {
+	} else if (_scene->_priorSceneId != RETURNING_FROM_DIALOG) {
 		_game._player._playerPos = Common::Point(15, 129);
 		_game._player._facing = FACING_EAST;
 	}
@@ -419,7 +419,7 @@ void Scene802::actions() {
 		case 0:
 			_game._player._stepEnabled = false;
 			_game._player._visible = false;
-			_globals._sequenceIndexes[2] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[2], true, 7, 2, 0, 0);
+			_globals._sequenceIndexes[2] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[2], true, 7, 2, 0, 0);
 			_scene->_sequences.setAnimRange(_globals._sequenceIndexes[2], 1, 2);
 			_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[2]);
 			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[2], SEQUENCE_TRIGGER_SPRITE, 2, 1);
@@ -451,7 +451,7 @@ void Scene802::actions() {
 		case 0:
 			_game._player._stepEnabled = false;
 			_game._player._visible = false;
-			_globals._sequenceIndexes[5] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[5], true, 7, 2, 0, 0);
+			_globals._sequenceIndexes[5] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[5], true, 7, 2, 0, 0);
 			_scene->_sequences.setAnimRange(_globals._sequenceIndexes[5], 1, 4);
 			_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[5]);
 			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[5], SEQUENCE_TRIGGER_SPRITE, 4, 1);
@@ -557,7 +557,7 @@ void Scene803::enter() {
 
 	if (!_globals[kFromCockpit]) {
 		if (!_globals[kReturnFromCut]) {
-			if (_scene->_priorSceneId != -2) {
+			if (_scene->_priorSceneId != RETURNING_FROM_DIALOG) {
 				_game._player._playerPos = Common::Point(15, 130);
 				_game._player._facing = FACING_EAST;
 			}
@@ -692,7 +692,7 @@ void Scene803::step() {
 
 	if (_game._trigger == 90) {
 		int syncIdx = _globals._sequenceIndexes[4];
-		_globals._sequenceIndexes[4] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[4], false, 15, 0, 0, 0);
+		_globals._sequenceIndexes[4] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[4], false, 15, 0, 0, 0);
 		_scene->_sequences.updateTimeout(_globals._sequenceIndexes[4], syncIdx);
 		_scene->_sequences.setAnimRange(_globals._sequenceIndexes[4], 4, 9);
 		if (_globals[kHoppyDead])
@@ -719,14 +719,14 @@ void Scene803::step() {
 			else
 				_game._winStatus = 3;
 
-			_vm->quitGame();
+			return;
 		}
 	}
 
 	if (_game._trigger == 150) {
 		_scene->_sequences.remove(_globals._sequenceIndexes[6]);
 		_vm->_sound->command(18);
-		_globals._sequenceIndexes[6] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[6], false, 8, 1, 0, 0);
+		_globals._sequenceIndexes[6] = _scene->_sequences.addReverseSpriteCycle(_globals._spriteIndexes[6], false, 8, 1, 0, 0);
 		_scene->_sequences.setAnimRange(_globals._sequenceIndexes[6], 1, 19);
 		_scene->_sequences.setDepth(_globals._sequenceIndexes[6], 4);
 		_scene->_sequences.addSubEntry(_globals._sequenceIndexes[6], SEQUENCE_TRIGGER_EXPIRE, 0, 151);
@@ -778,7 +778,7 @@ void Scene803::actions() {
 
 		case 162:
 			_scene->_sequences.remove(_globals._sequenceIndexes[9]);
-			_globals._sequenceIndexes[9] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[9], true, 6, 1, 0, 0);
+			_globals._sequenceIndexes[9] = _scene->_sequences.addReverseSpriteCycle(_globals._spriteIndexes[9], true, 6, 1, 0, 0);
 			_scene->_sequences.setAnimRange(_globals._sequenceIndexes[9], 1, 4);
 			_scene->_sequences.setMsgLayout(_globals._sequenceIndexes[9]);
 			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[9], SEQUENCE_TRIGGER_EXPIRE, 0, 163);
@@ -899,15 +899,17 @@ void Scene804::enter() {
 			_scene->_sequences.addTimer(60, 100);
 		} else {
 			_globals._sequenceIndexes[6] = _scene->_sequences.startCycle(_globals._spriteIndexes[6], false, 1);
-			_globals._sequenceIndexes[7] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[7], false, 4, 0, 0, 0);
+			_globals._sequenceIndexes[7] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[7], false, 4, 0, 0, 0);
 			_scene->_sequences.addTimer(160, 70);
 			_game._player._stepEnabled = false;
 		}
 	} else {
-		if (_globals[kBeamIsUp] == 0)
+		if (_globals[kBeamIsUp]) {
 			_globals._sequenceIndexes[8] = _scene->_sequences.startCycle(_globals._spriteIndexes[8], false, 1);
+			_scene->_sequences.setDepth(_globals._sequenceIndexes[8], 7);
+		}
 
-		if (_globals[kWindowFixed] == 0)
+		if (_globals[kWindowFixed])
 			_globals._sequenceIndexes[4] = _scene->_sequences.startCycle(_globals._spriteIndexes[4], false, 1);
 
 		_globals._sequenceIndexes[1] = _scene->_sequences.startCycle(_globals._spriteIndexes[1], false, 1);
@@ -955,9 +957,9 @@ void Scene804::step() {
 				_globals[kInSpace] = false;
 				_globals[kBeamIsUp] = true;
 
-				assert(!_globals[kCopyProtectFailed]);
+				//assert(!_globals[kCopyProtectFailed]);
 				_game._winStatus = 4;
-				_vm->quitGame();
+				return;
 			}
 			break;
 
@@ -969,7 +971,7 @@ void Scene804::step() {
 
 				assert(!_globals[kCopyProtectFailed]);
 				_game._winStatus = 4;
-				_vm->quitGame();
+				return;
 			}
 		}
 
@@ -1098,7 +1100,7 @@ void Scene804::actions() {
 		_action.isAction(VERB_OPEN, NOUN_SERVICE_PANEL)) {
 		_scene->_nextSceneId = 805;
 	} else if ((_action.isAction(VERB_ACTIVATE, NOUN_REMOTE)) && _globals[kTopButtonPushed]) {
-		if (!_globals[kInSpace]) {    
+		if (!_globals[kInSpace]) {
 			// Top button pressed on panel in hanger control
 			if (!_globals[kBeamIsUp]) {
 				_globals[kFromCockpit] = true;
@@ -1129,8 +1131,7 @@ void Scene804::actions() {
 		} else {
 			_messWithThrottle = true;
 		}
-	}
-	else if (_action.isAction(VERB_APPLY, NOUN_POLYCEMENT, NOUN_CRACK) ||
+	} else if (_action.isAction(VERB_APPLY, NOUN_POLYCEMENT, NOUN_CRACK) ||
 		_action.isAction(VERB_PUT, NOUN_POLYCEMENT, NOUN_CRACK)) {
 		if (!_globals[kWindowFixed]) {
 			_resetFrame = 2;
@@ -1219,6 +1220,8 @@ void Scene805::enter() {
 }
 
 void Scene805::step() {
+	UserInterface &userInterface = _vm->_game->_scene._userInterface;
+
 	if (_game._trigger == 70) {
 		_scene->_hotspots.activate(OBJ_SHIELD_MODULATOR, false);
 		_globals._sequenceIndexes[1] = _scene->_sequences.startCycle(_globals._spriteIndexes[1], false, 25);
@@ -1226,6 +1229,7 @@ void Scene805::step() {
 		_scene->_dynamicHotspots.setPosition(idx, Common::Point(0, 0), FACING_DUMMY);
 		_globals[kShieldModInstalled] = true;
 		_game._objects.setRoom(OBJ_SHIELD_MODULATOR, NOWHERE);
+		userInterface._selectedInvIndex = -1;
 		_game._player._stepEnabled = true;
 		_vm->_sound->command(24);
 	}
@@ -1237,6 +1241,7 @@ void Scene805::step() {
 		_scene->_dynamicHotspots.setPosition(idx, Common::Point(0, 0), FACING_DUMMY);
 		_globals[kTargetModInstalled] = true;
 		_game._objects.setRoom(OBJ_TARGET_MODULE, NOWHERE);
+		userInterface._selectedInvIndex = -1;
 		_game._player._stepEnabled = true;
 		_vm->_sound->command(24);
 	}
@@ -1278,14 +1283,14 @@ void Scene805::actions() {
 	} else if (_action.isAction(VERB_REMOVE, NOUN_SHIELD_MODULATOR) && _globals[kShieldModInstalled]) {
 		_scene->_sequences.remove(_globals._sequenceIndexes[1]);
 		_game._triggerSetupMode = SEQUENCE_TRIGGER_DAEMON;
-		_globals._sequenceIndexes[1] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[1], false, 7, 1, 0, 0);
+		_globals._sequenceIndexes[1] = _scene->_sequences.addReverseSpriteCycle(_globals._spriteIndexes[1], false, 7, 1, 0, 0);
 		_scene->_sequences.setAnimRange(_globals._sequenceIndexes[1], -1, -2);
 		_scene->_sequences.addSubEntry(_globals._sequenceIndexes[1], SEQUENCE_TRIGGER_EXPIRE, 0, 71);
 		_game._player._stepEnabled = false;
 	} else if (_action.isAction(VERB_REMOVE, NOUN_TARGET_MODULE) && _globals[kTargetModInstalled]) {
 		_scene->_sequences.remove(_globals._sequenceIndexes[2]);
 		_game._triggerSetupMode = SEQUENCE_TRIGGER_DAEMON;
-		_globals._sequenceIndexes[2] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[2], false, 7, 1, 0, 0);
+		_globals._sequenceIndexes[2] = _scene->_sequences.addReverseSpriteCycle(_globals._spriteIndexes[2], false, 7, 1, 0, 0);
 		_scene->_sequences.setAnimRange(_globals._sequenceIndexes[2], -1, -2);
 		_scene->_sequences.addSubEntry(_globals._sequenceIndexes[2], SEQUENCE_TRIGGER_EXPIRE, 0, 81);
 		_game._player._stepEnabled = false;
@@ -1434,7 +1439,7 @@ void Scene808::actions() {
 				_vm->_sound->command(20);
 				_vm->_sound->command(25);
 			}
-			_globals._sequenceIndexes[4] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[4], false, 4, 1, 0, 0);
+			_globals._sequenceIndexes[4] = _scene->_sequences.addReverseSpriteCycle(_globals._spriteIndexes[4], false, 4, 1, 0, 0);
 			_scene->_sequences.setPosition(_globals._sequenceIndexes[4], Common::Point(248, 211));
 			_scene->_sequences.setDepth(_globals._sequenceIndexes[4], 2);
 			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[4], SEQUENCE_TRIGGER_EXPIRE, 0, 71);
@@ -1469,7 +1474,7 @@ void Scene808::actions() {
 				_vm->_sound->command(20);
 			}
 			_globals[kTopButtonPushed] = false;
-			_globals._sequenceIndexes[4] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[4], false, 4, 1, 0, 0);
+			_globals._sequenceIndexes[4] = _scene->_sequences.addReverseSpriteCycle(_globals._spriteIndexes[4], false, 4, 1, 0, 0);
 			_scene->_sequences.setPosition(_globals._sequenceIndexes[4], Common::Point(248, 186));
 			_scene->_sequences.setDepth(_globals._sequenceIndexes[4], 2);
 			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[4], SEQUENCE_TRIGGER_EXPIRE, 0, 91);
@@ -1500,7 +1505,7 @@ void Scene808::actions() {
 				_vm->_sound->command(20);
 			 }
 			_globals[kTopButtonPushed] = true;
-			_globals._sequenceIndexes[4] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[4], false, 4, 1, 0, 0);
+			_globals._sequenceIndexes[4] = _scene->_sequences.addReverseSpriteCycle(_globals._spriteIndexes[4], false, 4, 1, 0, 0);
 			_scene->_sequences.setPosition(_globals._sequenceIndexes[4], Common::Point(248, 163));
 			_scene->_sequences.setDepth(_globals._sequenceIndexes[4], 2);
 			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[4], SEQUENCE_TRIGGER_EXPIRE, 0, 81);
@@ -1517,7 +1522,7 @@ void Scene808::actions() {
 		switch (_game._trigger) {
 		case 0:
 			_game._player._stepEnabled = false;
-			_globals._sequenceIndexes[4] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[4], false, 4, 2, 0, 0);
+			_globals._sequenceIndexes[4] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[4], false, 4, 2, 0, 0);
 			_scene->_sequences.setPosition(_globals._sequenceIndexes[4], Common::Point(168, 211));
 			_scene->_sequences.setDepth(_globals._sequenceIndexes[4], 2);
 			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[4], SEQUENCE_TRIGGER_EXPIRE, 0, 70);
@@ -1534,7 +1539,7 @@ void Scene808::actions() {
 		switch (_game._trigger) {
 		case 0:
 			_game._player._stepEnabled = false;
-			_globals._sequenceIndexes[4] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[4], false, 4, 2, 0, 0);
+			_globals._sequenceIndexes[4] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[4], false, 4, 2, 0, 0);
 			_scene->_sequences.setPosition(_globals._sequenceIndexes[4], Common::Point(172, 163));
 			_scene->_sequences.setDepth(_globals._sequenceIndexes[4], 2);
 			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[4], SEQUENCE_TRIGGER_EXPIRE, 0, 80);
@@ -1551,7 +1556,7 @@ void Scene808::actions() {
 		switch (_game._trigger) {
 		case 0:
 			_game._player._stepEnabled = false;
-			_globals._sequenceIndexes[4] = _scene->_sequences.startReverseCycle(_globals._spriteIndexes[4], false, 4, 2, 0, 0);
+			_globals._sequenceIndexes[4] = _scene->_sequences.startPingPongCycle(_globals._spriteIndexes[4], false, 4, 2, 0, 0);
 			_scene->_sequences.setPosition(_globals._sequenceIndexes[4], Common::Point(172, 186));
 			_scene->_sequences.setDepth(_globals._sequenceIndexes[4], 2);
 			_scene->_sequences.addSubEntry(_globals._sequenceIndexes[4], SEQUENCE_TRIGGER_EXPIRE, 0, 90);
@@ -1601,7 +1606,8 @@ void Scene810::enter() {
 }
 
 void Scene810::step() {
-	if ((_scene->_activeAnimation->getCurrentFrame() == 200) && _moveAllowed) {
+	if (_scene->_activeAnimation && (_scene->_activeAnimation->getCurrentFrame() == 200) 
+			&& _moveAllowed) {
 		_scene->_sequences.addTimer(100, 70);
 		_moveAllowed = false;
 	}
diff --git a/engines/mads/nebular/nebular_scenes8.h b/engines/mads/nebular/nebular_scenes8.h
index 7f2c34a843..439815f05c 100644
--- a/engines/mads/nebular/nebular_scenes8.h
+++ b/engines/mads/nebular/nebular_scenes8.h
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
diff --git a/engines/mads/nebular/sound_nebular.cpp b/engines/mads/nebular/sound_nebular.cpp
index c540eb4382..240c18f6dc 100644
--- a/engines/mads/nebular/sound_nebular.cpp
+++ b/engines/mads/nebular/sound_nebular.cpp
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
@@ -24,6 +24,7 @@
 #include "audio/decoders/raw.h"
 #include "common/algorithm.h"
 #include "common/debug.h"
+#include "common/md5.h"
 #include "common/memstream.h"
 #include "mads/sound.h"
 #include "mads/nebular/sound_nebular.h"
@@ -35,6 +36,7 @@ namespace Nebular {
 bool AdlibChannel::_channelsEnabled;
 
 AdlibChannel::AdlibChannel() {
+	_owner = nullptr;
 	_activeCount = 0;
 	_field1 = 0;
 	_field2 = 0;
@@ -42,6 +44,7 @@ AdlibChannel::AdlibChannel() {
 	_field4 = 0;
 	_sampleIndex = 0;
 	_volume = 0;
+	_volumeOffset = 0;
 	_field7 = 0;
 	_field8 = 0;
 	_field9 = 0;
@@ -54,11 +57,11 @@ AdlibChannel::AdlibChannel() {
 	_pSrc = nullptr;
 	_ptr3 = nullptr;
 	_ptr4 = nullptr;
+	_ptrEnd = nullptr;
 	_field17 = 0;
 	_field19 = 0;
 	_soundData = nullptr;
 	_field1D = 0;
-	_field1E = 0;
 	_field1F = 0;
 
 	_field20 = 0;
@@ -94,6 +97,7 @@ void AdlibChannel::setPtr2(byte *pData) {
 void AdlibChannel::load(byte *pData) {
 	_ptr1 = _pSrc = _ptr3 = pData;
 	_ptr4 = _soundData = pData;
+	_volumeOffset = 0;
 	_fieldA = 0xFF;
 	_activeCount = 1;
 	_fieldD = 64;
@@ -101,17 +105,20 @@ void AdlibChannel::load(byte *pData) {
 	_field1F = 0;
 	_field2 = _field3 = 0;
 	_volume = _field7 = 0;
-	_field1D = _field1E = 0;
+	_field1D = 0;
 	_fieldE = 0;
 	_field9 = 0;
 	_fieldB = 0;
 	_field17 = 0;
 	_field19 = 0;
+
+	CachedDataEntry &cacheEntry = _owner->getCachedData(pData);
+	_ptrEnd = cacheEntry._dataEnd;
 }
 
 void AdlibChannel::check(byte *nullPtr) {
 	if (_activeCount && _fieldE) {
-		if (!_field1E) {
+		if (!_volumeOffset) {
 			_pSrc = nullPtr;
 			_fieldE = 0;
 		} else {
@@ -160,6 +167,7 @@ ASound::ASound(Audio::Mixer *mixer, FM_OPL *opl, const Common::String &filename,
 	_samplePtr = nullptr;
 	_frameCounter = 0;
 	_isDisabled = false;
+	_masterVolume = 255;
 	_v1 = 0;
 	_v2 = 0;
 	_activeChannelNumber = 0;
@@ -191,6 +199,9 @@ ASound::ASound(Audio::Mixer *mixer, FM_OPL *opl, const Common::String &filename,
 		_channelData[i]._freqBase = 0;
 		_channelData[i]._field6 = 0;
 	}
+	
+	for (int i = 0; i < ADLIB_CHANNEL_COUNT; ++i)
+		_channels[i]._owner = this;
 
 	AdlibChannel::_channelsEnabled = false;
 
@@ -218,6 +229,32 @@ ASound::~ASound() {
 	_mixer->stopHandle(_soundHandle);
 }
 
+void ASound::validate() {
+	Common::File f;
+	static const char *const MD5[] = {
+		"205398468de2c8873b7d4d73d5be8ddc",
+		"f9b2d944a2fb782b1af5c0ad592306d3",
+		"7431f8dad77d6ddfc24e6f3c0c4ac7df",
+		"eb1f3f5a4673d3e73d8ac1818c957cf4",
+		"f936dd853073fa44f3daac512e91c476",
+		"3dc139d3e02437a6d9b732072407c366",
+		"af0edab2934947982e9a405476702e03",
+		"8cbc25570b50ba41c9b5361cad4fbedc",
+		"a31e4783e098f633cbb6689adb41dd4f"
+	};
+
+	for (int i = 1; i <= 9; ++i) {
+		Common::String filename = Common::String::format("ASOUND.00%d", i);
+		if (!f.open(filename))
+			error("Could not process - %s", filename.c_str());
+		Common::String md5str = Common::computeStreamMD5AsString(f, 8192);
+		f.close();
+
+		if (md5str != MD5[i - 1])
+			error("Invalid sound file - %s", filename.c_str());
+	}
+}
+
 void ASound::adlibInit() {
 	write(4, 0x60);
 	write(4, 0x80);
@@ -256,6 +293,17 @@ void ASound::noise() {
 	}
 }
 
+CachedDataEntry &ASound::getCachedData(byte *pData) {
+	Common::List<CachedDataEntry>::iterator i;
+	for (i = _dataCache.begin(); i != _dataCache.end(); ++i) {
+		CachedDataEntry &e = *i;
+		if (e._data == pData)
+			return e;
+	}
+
+	error("Could not find previously loaded data");
+}
+
 void ASound::write(int reg, int val) {
 	_queue.push(RegisterValue(reg, val));
 }
@@ -304,6 +352,7 @@ byte *ASound::loadData(int offset, int size) {
 	CachedDataEntry rec;
 	rec._offset = offset;
 	rec._data = new byte[size];
+	rec._dataEnd = rec._data + size - 1;
 	_soundFile.seek(_dataOffset + offset);
 	_soundFile.read(rec._data, size);
 	_dataCache.push_back(rec);
@@ -422,6 +471,10 @@ void ASound::pollActiveChannel() {
 					warning("pollActiveChannel(): No data found for sound channel");
 					break;
 				}
+				if (pSrc > chan->_ptrEnd) {
+					warning("Read beyond end of loaded sound data");
+				}
+
 				if (!(*pSrc & 0x80) || (*pSrc <= 0xF0)) {
 					if (updateFlag)
 						updateActiveChannel();
@@ -489,7 +542,7 @@ void ASound::pollActiveChannel() {
 						chan->_field1 = 0;
 						chan->_field2 = chan->_field3 = 0;
 						chan->_volume = chan->_field7 = 0;
-						chan->_field1D = chan->_field1E = 0;
+						chan->_field1D = chan->_volumeOffset = 0;
 						chan->_field8 = 0;
 						chan->_field9 = 0;
 						chan->_fieldB = 0;
@@ -543,7 +596,7 @@ void ASound::pollActiveChannel() {
 						break;
 
 					case 8:
-						chan->_field1D = *++pSrc;
+						chan->_field1D = (int8)*++pSrc;
 						chan->_pSrc += 2;
 						break;
 
@@ -564,7 +617,7 @@ void ASound::pollActiveChannel() {
 						if (chan->_fieldE) {
 							chan->_pSrc += 2;
 						} else {
-							chan->_field1E = *pSrc >> 1;
+							chan->_volumeOffset = *pSrc >> 1;
 							updateFlag = true;
 							chan->_pSrc += 2;
 						}
@@ -608,7 +661,7 @@ void ASound::pollActiveChannel() {
 			if (!--chan->_field9) {
 				chan->_field9 = chan->_fieldA;
 				if (chan->_field2) {
-					int8 newVal = (int8)chan->_field2 + (int8)chan->_field1E;
+					int8 newVal = (int8)chan->_field2 + (int8)chan->_volumeOffset;
 					if (newVal < 0) {
 						chan->_field9 = 0;
 						newVal = 0;
@@ -617,7 +670,7 @@ void ASound::pollActiveChannel() {
 						newVal = 63;
 					}
 
-					chan->_field1E = newVal;
+					chan->_volumeOffset = newVal;
 					updateFlag = true;
 				}
 			}
@@ -682,8 +735,8 @@ void ASound::updateChannelState() {
 		resultCheck();
 	} else {
 		int reg = 0xA0 + _activeChannelNumber;
-		int vTimes = (_activeChannelPtr->_field4 + _activeChannelPtr->_field1F) / 12;
-		int vOffset = (_activeChannelPtr->_field4 + _activeChannelPtr->_field1F) % 12;
+		int vTimes = (byte)(_activeChannelPtr->_field4 + _activeChannelPtr->_field1F) / 12;
+		int vOffset = (byte)(_activeChannelPtr->_field4 + _activeChannelPtr->_field1F) % 12;
 		int val = _vList1[vOffset] + _activeChannelPtr->_field1D;
 		write2(8, reg, val & 0xFF);
 
@@ -700,32 +753,18 @@ static const int outputIndexes[] = {
 static const int outputChannels[] = {
 	0, 1, 2, 3, 4, 5, 8, 9, 10, 11, 12, 13, 16, 17, 18, 19, 20, 21, 0
 };
-static const int volumeList[] = {
-	0x3F, 0x3F, 0x36, 0x31, 0x2D, 0x2A, 0x28, 0x26, 0x24, 0x22, 0x21, 0x20, 0x1F, 0x1E, 0x1D, 0x1C,
-	0x1B, 0x1A, 0x19, 0x19, 0x18, 0x17, 0x17, 0x16, 0x16, 0x15, 0x15, 0x14, 0x14, 0x13, 0x12, 0x12,
-	0x11, 0x11, 0x10, 0x10, 0x0F, 0x0F, 0x0E, 0x0E, 0x0D, 0x0D, 0x0C, 0x0C, 0x0B, 0x0B, 0x0A, 0x0A,
-	0x0A, 0x09, 0x09, 0x09, 0x09, 0x09, 0x08, 0x08, 0x08, 0x08, 0x08, 0x07, 0x07, 0x07, 0x07, 0x07,
-	0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x04,
-	0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03,
-	0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x01,
-	0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-};
 
 void ASound::updateActiveChannel() {
 	int reg = 0x40 + outputChannels[outputIndexes[_activeChannelNumber * 2 + 1]];
 	int portVal = _ports[reg] & 0xFFC0;
-	int newVolume = CLIP(_activeChannelPtr->_volume + _activeChannelPtr->_field1E, 0, 63);
+	int newVolume = CLIP(_activeChannelPtr->_volume + _activeChannelPtr->_volumeOffset, 0, 63);
+	newVolume = newVolume * _masterVolume / 255;
 
 	// Note: Original had a whole block not seeming to be used, since the initialisation
 	// sets a variable to 5660h, and doesn't change it, so the branch is never taken
-	int val = CLIP(newVolume - volumeList[_activeChannelPtr->_fieldD], 0, 63);
-	val = (63 - val) | portVal;
+	portVal |= 63 - newVolume;
 
-	int val2 = CLIP(newVolume - volumeList[-(_activeChannelPtr->_fieldD - 127)], 0, 63);
-	val2 = (63 - val2) | portVal;
-	write2(0, reg, val);
-	write2(2, reg, val2);
+	write2(8, reg, portVal);
 }
 
 void ASound::loadSample(int sampleIndex) {
@@ -821,6 +860,12 @@ int ASound::readBuffer(int16 *buffer, const int numSamples) {
 	return numSamples;
 }
 
+void ASound::setVolume(int volume) {
+	_masterVolume = volume;
+	if (!volume)
+		command0();
+}
+
 int ASound::command0() {
 	bool isDisabled = _isDisabled;
 	_isDisabled = true;
@@ -978,22 +1023,22 @@ int ASound1::command10() {
 
 int ASound1::command11() {
 	command111213();
-	_channels[0]._field1E = 0;
-	_channels[1]._field1E = 0;
+	_channels[0]._volumeOffset = 0;
+	_channels[1]._volumeOffset = 0;
 	return 0;
 }
 
 int ASound1::command12() {
 	command111213();
-	_channels[0]._field1E = 40;
-	_channels[1]._field1E = 0;
+	_channels[0]._volumeOffset = 40;
+	_channels[1]._volumeOffset = 0;
 	return 0;
 }
 
 int ASound1::command13() {
 	command111213();
-	_channels[0]._field1E = 40;
-	_channels[1]._field1E = 50;
+	_channels[0]._volumeOffset = 40;
+	_channels[1]._volumeOffset = 50;
 	return 0;
 }
 
diff --git a/engines/mads/nebular/sound_nebular.h b/engines/mads/nebular/sound_nebular.h
index abb6516030..9bc1a49458 100644
--- a/engines/mads/nebular/sound_nebular.h
+++ b/engines/mads/nebular/sound_nebular.h
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
@@ -37,11 +37,15 @@ class SoundManager;
 
 namespace Nebular {
 
+class ASound;
+
 /**
  * Represents the data for a channel on the Adlib
  */
 class AdlibChannel {
 public:
+	ASound *_owner;
+
 	int _activeCount;
 	int _field1;
 	int _field2;
@@ -61,11 +65,12 @@ public:
 	byte *_pSrc;
 	byte *_ptr3;
 	byte *_ptr4;
+	byte *_ptrEnd;
 	int _field17;
 	int _field19;
 	byte *_soundData;
 	int _field1D;
-	int _field1E;
+	int _volumeOffset;
 	int _field1F;
 
 	// TODO: Only used by asound.003. Figure out usage
@@ -128,17 +133,20 @@ struct RegisterValue {
 #define ADLIB_CHANNEL_MIDWAY 5
 #define CALLBACKS_PER_SECOND 60
 
+struct CachedDataEntry {
+	int _offset;
+	byte *_data;
+	byte *_dataEnd;
+};
+
 /**
  * Base class for the sound player resource files
  */
 class ASound : public Audio::AudioStream {
 private:
-	struct CachedDataEntry {
-		int _offset;
-		byte *_data;
-	};
 	Common::List<CachedDataEntry> _dataCache;
 	uint16 _randomSeed;
+	int _masterVolume;
 
 	/**
 	 * Does the initial Adlib initialisation
@@ -318,6 +326,11 @@ public:
 	virtual ~ASound();
 
 	/**
+	 * Validates the Adlib sound files
+	 */
+	static void validate();
+
+	/**
 	 * Execute a player command. Most commands represent sounds to play, but some
 	 * low number commands also provide control operations.
 	 * @param commandId		Player ommand to execute.
@@ -345,6 +358,11 @@ public:
 	 */
 	int getFrameCounter() { return _frameCounter; }
 
+	/**
+	 * Return the cached data block record for previously loaded sound data
+	 */
+	CachedDataEntry &getCachedData(byte *pData);
+
 	// AudioStream interface
 	/**
 	 * Main buffer read
@@ -365,6 +383,11 @@ public:
 	 * Return sample rate
 	 */
 	virtual int getRate() const { return 11025; }
+
+	/**
+	 * Set the volume
+	 */
+	void setVolume(int volume);
 };
 
 class ASound1 : public ASound {
diff --git a/engines/mads/palette.cpp b/engines/mads/palette.cpp
index 1787b3c298..7651fe8e65 100644
--- a/engines/mads/palette.cpp
+++ b/engines/mads/palette.cpp
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
@@ -178,31 +178,29 @@ int PaletteUsage::process(Common::Array<RGB6> &palette, uint flags) {
 		}
 
 		if (!changed && !noUsageFlag) {
-			int var2 = (palette[palIndex]._flags & 0x20) ||
-				(((flags & 0x2000) || (palette[palIndex]._flags & 0x4000)) &&
+			int bestHash = (palette[palIndex]._flags & 0x20) ||
+				(((flags & 0x2000) || (palette[palIndex]._flags & 0x40)) &&
 				((flags & 0x1000) || (palCount == 0))) ? 0x7fff : 1;
 			int var36 = (palette[palIndex]._flags & 0x80) ? 0 : 2;
 
 			for (int idx = palLow; idx < palIdx; ++idx) {
 				uint32 v = _vm->_palette->_palFlags[idx];
 				if ((v & var3A) && !(v & var36)) {
-					int var10;
-
-					if (var2 > 1) {
-						var10 = rgbFactor(&_vm->_palette->_mainPalette[idx * 3], palette[palIndex]);
-					}
-					else if (_vm->_palette->_mainPalette[idx * 3] != palette[palIndex].r ||
+					int hash;
+					if (bestHash > 1) {
+						hash = rgbFactor(&_vm->_palette->_mainPalette[idx * 3], palette[palIndex]);
+					} else if (_vm->_palette->_mainPalette[idx * 3] != palette[palIndex].r ||
 							_vm->_palette->_mainPalette[idx * 3 + 1] != palette[palIndex].g ||
 							_vm->_palette->_mainPalette[idx * 3 + 2] != palette[palIndex].b) {
-						var10 = 1;
+						hash = 1;
 					} else {
-						var10 = 0;
+						hash = 0;
 					}
 
-					if (var2 > var10) {
+					if (bestHash > hash) {
 						changed = true;
 						newPalIndex = idx;
-						var2 = var10;
+						bestHash = hash;
 					}
 				}
 			}
@@ -233,7 +231,7 @@ int PaletteUsage::process(Common::Array<RGB6> &palette, uint flags) {
 		// CHECKME: When pressing on F1 in the first screen, newPalIndex is set to 0xFF at this point
 		// which is a valid value for the index. Maybe a better check would be "< 256" ?
 		//assert(newPalIndex != -1);
-		
+
 		int var52 = (noUsageFlag && palette[palIndex]._u2) ? 2 : 0;
 
 		_vm->_palette->_palFlags[newPalIndex] |= var52 | rgbMask;
@@ -342,7 +340,7 @@ int PaletteUsage::checkRGB(const byte *rgb, int palStart, bool flag, int *palInd
 			if ((!(*flagsP & 1) || flag) && !(*flagsP & 2)) {
 				if (!memcmp(palP, rgb, 3)) {
 					*flagsP |= mask;
-					
+
 					if (palIndex)
 						*palIndex = result;
 					match = true;
@@ -430,6 +428,14 @@ void Fader::grabPalette(byte *colors, uint start, uint num) {
 	g_system->getPaletteManager()->grabPalette(colors, start, num);
 }
 
+void Fader::getFullPalette(byte palette[PALETTE_SIZE]) {
+	grabPalette(&palette[0], 0, PALETTE_COUNT);
+}
+
+void Fader::setFullPalette(byte palette[PALETTE_SIZE]) {
+	setPalette(&palette[0], 0, PALETTE_COUNT);
+}
+
 void Fader::fadeOut(byte palette[PALETTE_SIZE], byte *paletteMap,
 		int baseColor, int numColors, int baseGrey, int numGreys,
 		int tickDelay, int steps) {
@@ -491,7 +497,7 @@ void Fader::fadeIn(byte palette[PALETTE_SIZE], byte destPalette[PALETTE_SIZE],
 	int baseColor, int numColors, int baseGrey, int numGreys,
 	int tickDelay, int steps) {
 	GreyEntry map[PALETTE_COUNT];
-	byte tempPal[PALETTE_SIZE];;
+	byte tempPal[PALETTE_SIZE];
 	int8 signs[PALETTE_COUNT][3];
 	byte palIndex[PALETTE_COUNT][3];
 	int intensity;
@@ -505,16 +511,12 @@ void Fader::fadeIn(byte palette[PALETTE_SIZE], byte destPalette[PALETTE_SIZE],
 		for (int colorCtr = 0; colorCtr < 3; ++colorCtr) {
 			if (_colorFlags[colorCtr]) {
 				int shiftSign = _colorValues[colorCtr];
-				if (shiftSign >= 0) {
+				if (shiftSign >= 0)
 					intensity = map[index]._intensity << shiftSign;
-				}
-				else {
+				else
 					intensity = map[index]._intensity >> abs(shiftSign);
-				}
-			}
-			else {
+			} else
 				intensity = _colorValues[colorCtr];
-			}
 
 			int diff = _rgb64Map[destPalette[palCtr * 3 + colorCtr]] - intensity;
 			palIndex[palCtr][colorCtr] = (byte)ABS(diff);
@@ -891,4 +893,30 @@ void Palette::refreshSceneColors() {
 	setPalette(_mainPalette + (val * 3), val, 256 - val);
 }
 
+int Palette::closestColor(const byte *matchColor, const byte *refPalette,
+		int paletteInc, int count) {
+	int bestColor = 0;
+	int bestDistance = 0x7fff;
+
+	for (int idx = 0; idx < count; ++idx) {
+		// Figure out figure for 'distance' between two colors
+		int distance = 0;
+		for (int rgbIdx = 0; rgbIdx < RGB_SIZE; ++rgbIdx) {
+			int diff = refPalette[rgbIdx] - matchColor[rgbIdx];
+			distance += diff * diff;
+		}
+
+		// If the given color is a closer match to our color, store the index
+		if (distance <= bestDistance) {
+			bestDistance = distance;
+			bestColor = idx;
+		}
+
+		refPalette += paletteInc;
+	}
+
+	return bestColor;
+}
+
+
 } // End of namespace MADS
diff --git a/engines/mads/palette.h b/engines/mads/palette.h
index 27d25f266b..6c98947384 100644
--- a/engines/mads/palette.h
+++ b/engines/mads/palette.h
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
@@ -36,6 +36,7 @@ class MADSEngine;
 #define PALETTE_RESERVED_HIGH_COUNT 10
 
 #define PALETTE_COUNT 256
+#define RGB_SIZE 3
 #define PALETTE_SIZE (256 * 3)
 
 /**
@@ -212,16 +213,12 @@ public:
 	/**
 	* Gets the entire palette at once
 	*/
-	void getFullPalette(byte palette[PALETTE_SIZE]) {
-		grabPalette(&palette[0], 0, PALETTE_COUNT);
-	}
+	void getFullPalette(byte palette[PALETTE_SIZE]);
 
 	/**
 	* Sets the entire palette at once
 	*/
-	void setFullPalette(byte palette[PALETTE_SIZE]) {
-		setPalette(&palette[0], 0, PALETTE_COUNT);
-	}
+	void setFullPalette(byte palette[PALETTE_SIZE]);
 
 	/**
 	* Calculates a merge/hash for a given palette entry
@@ -318,6 +315,9 @@ public:
 	void unlock();
 
 	void refreshSceneColors();
+
+	static int closestColor(const byte *matchColor, const byte *refPalette, 
+		int paletteInc, int count);
 };
 
 } // End of namespace MADS
diff --git a/engines/mads/phantom/game_phantom.cpp b/engines/mads/phantom/game_phantom.cpp
index 2384b94dec..959a726edf 100644
--- a/engines/mads/phantom/game_phantom.cpp
+++ b/engines/mads/phantom/game_phantom.cpp
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
diff --git a/engines/mads/phantom/game_phantom.h b/engines/mads/phantom/game_phantom.h
index 654ec86ba3..44b2321f42 100644
--- a/engines/mads/phantom/game_phantom.h
+++ b/engines/mads/phantom/game_phantom.h
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
diff --git a/engines/mads/phantom/phantom_scenes.cpp b/engines/mads/phantom/phantom_scenes.cpp
index c8faa35fcb..57c2bb2c9b 100644
--- a/engines/mads/phantom/phantom_scenes.cpp
+++ b/engines/mads/phantom/phantom_scenes.cpp
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
diff --git a/engines/mads/phantom/phantom_scenes.h b/engines/mads/phantom/phantom_scenes.h
index 0d7bc253dd..55218f219a 100644
--- a/engines/mads/phantom/phantom_scenes.h
+++ b/engines/mads/phantom/phantom_scenes.h
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
diff --git a/engines/mads/player.cpp b/engines/mads/player.cpp
index bde313af8d..bb747f4b52 100644
--- a/engines/mads/player.cpp
+++ b/engines/mads/player.cpp
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
@@ -235,12 +235,18 @@ void Player::selectSeries() {
 
 void Player::updateFrame() {
 	// WORKAROUND: Prevent character info being referenced when not present
-	if ((_spritesStart + _spritesIdx) < 0 || !_spriteSetsPresent[_spritesStart + _spritesIdx])
+	int idx = _spritesStart + _spritesIdx;
+	if (idx < 0 || (idx < PLAYER_SPRITES_FILE_COUNT && !_spriteSetsPresent[idx]))
 		return;
 
 	Scene &scene = _vm->_game->_scene;
-	SpriteAsset &spriteSet = *scene._sprites[_spritesStart + _spritesIdx];
-	assert(spriteSet._charInfo);
+	assert(scene._sprites[idx] != nullptr);
+	SpriteAsset &spriteSet = *scene._sprites[idx];
+	
+	// WORKAROUND: Certain cutscenes set up player sprites that don't have any 
+	// character info. In such cases, simply ignore player updates
+	if (!spriteSet._charInfo)
+		return;
 
 	if (!spriteSet._charInfo->_numEntries) {
 		_frameNumber = 1;
@@ -509,12 +515,12 @@ void Player::idle() {
 		return;
 	}
 
-	if ((_spritesStart + _spritesIdx) < 0 || !_spriteSetsPresent[_spritesStart + _spritesIdx])
+	int idx = _spritesStart + _spritesIdx;
+	if (idx < 0 || (idx < PLAYER_SPRITES_FILE_COUNT && !_spriteSetsPresent[idx]))
 		return;
 
-	SpriteAsset &spriteSet = *scene._sprites[_spritesStart + _spritesIdx];
-	assert(spriteSet._charInfo);
-	if (spriteSet._charInfo->_numEntries == 0)
+	SpriteAsset &spriteSet = *scene._sprites[idx];
+	if (spriteSet._charInfo == nullptr || spriteSet._charInfo->_numEntries == 0)
 		// No entries, so exit immediately
 		return;
 
@@ -528,11 +534,11 @@ void Player::idle() {
 		_frameNumber += direction;
 		_forceRefresh = true;
 
-		if (spriteSet._charInfo->_stopFrames[frameIndex] < _frameNumber) {
+		if (_frameNumber > spriteSet._charInfo->_stopFrames[frameIndex]) {
 			_trigger = _upcomingTrigger;
 			updateFrame();
 		}
-		if (spriteSet._charInfo->_startFrames[frameIndex] < _frameNumber) {
+		if (_frameNumber < spriteSet._charInfo->_startFrames[frameIndex]) {
 			_trigger = _upcomingTrigger;
 			updateFrame();
 		}
@@ -658,7 +664,7 @@ void Player::startMovement() {
 	_deltaDistance = (majorChange == 0) ? 0 : _totalDistance / majorChange;
 
 	if (_playerPos.x > _targetPos.x)
-		_pixelAccum = MAX(_posChange.x, _posChange.y);
+		_pixelAccum = MIN(_posChange.x, _posChange.y);
 	else
 		_pixelAccum = 0;
 
@@ -703,7 +709,7 @@ void Player::releasePlayerSprites() {
 	_spritesLoaded = false;
 	_spritesChanged = true;
 
-	if (scene._sprites._assetCount > 0) {
+	if (scene._sprites.size() > 0) {
 		warning("Player::releasePlayerSprites(): leftover sprites remain, clearing list");
 		scene._sprites.clear();
 	}
@@ -779,14 +785,14 @@ void Player::removePlayerSprites() {
 	int heroSpriteId = _spritesStart;
 	for (int i = 0; i < 8; i++) {
 		if (_spriteSetsPresent[i]) {
-			scene._sprites.remove(heroSpriteId++);
+			delete scene._sprites[heroSpriteId];
+			scene._sprites[heroSpriteId] = nullptr;
 			_spriteSetsPresent[i] = false;
+			++heroSpriteId;
 		}
 	}
 
-	if (scene._activeAnimation != nullptr)
-		scene._activeAnimation->resetSpriteSetsCount();
-
+	scene._spriteSlots.clear();
 	scene._spriteSlots.fullRefresh();
 	_visible = false;
 }
diff --git a/engines/mads/player.h b/engines/mads/player.h
index 671ac9d16e..e5765a9bca 100644
--- a/engines/mads/player.h
+++ b/engines/mads/player.h
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
diff --git a/engines/mads/rails.cpp b/engines/mads/rails.cpp
index 322e6e7cb3..9b2ec71de6 100644
--- a/engines/mads/rails.cpp
+++ b/engines/mads/rails.cpp
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
diff --git a/engines/mads/rails.h b/engines/mads/rails.h
index e6cab08f85..c95f5c47a6 100644
--- a/engines/mads/rails.h
+++ b/engines/mads/rails.h
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
diff --git a/engines/mads/resources.cpp b/engines/mads/resources.cpp
index 1fb75e6ba2..d5352fb205 100644
--- a/engines/mads/resources.cpp
+++ b/engines/mads/resources.cpp
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
diff --git a/engines/mads/resources.h b/engines/mads/resources.h
index 8d9ab1e39f..95ea17d3c4 100644
--- a/engines/mads/resources.h
+++ b/engines/mads/resources.h
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
diff --git a/engines/mads/scene.cpp b/engines/mads/scene.cpp
index e8ba988771..ee5f1a5440 100644
--- a/engines/mads/scene.cpp
+++ b/engines/mads/scene.cpp
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
@@ -31,7 +31,7 @@
 namespace MADS {
 
 Scene::Scene(MADSEngine *vm)
-	: _vm(vm), _action(_vm), _depthSurface(vm),
+	: _vm(vm), _action(_vm), _depthSurface(),
 	  _dirtyAreas(_vm),  _dynamicHotspots(vm), _hotspots(vm),
 	  _kernelMessages(vm), _sequences(vm), _sprites(vm), _spriteSlots(vm),
 	  _textDisplay(vm), _userInterface(vm) {
@@ -52,7 +52,7 @@ Scene::Scene(MADSEngine *vm)
 	_activeAnimation = nullptr;
 	_textSpacing = -1;
 	_frameStartTime = 0;
-	_layer = LAYER_GUI;
+	_mode = SCREENMODE_VGA;
 	_lookFlag = false;
 	_bandsRange = 0;
 	_scaleRange = 0;
@@ -182,7 +182,7 @@ void Scene::loadScene(int sceneId, const Common::String &prefix, bool palFlag) {
 		flags |= ANIMFLAG_LOAD_BACKGROUND_ONLY;
 
 	_animationData = Animation::init(_vm, this);
-	DepthSurface depthSurface(_vm);
+	DepthSurface depthSurface;
 	_animationData->load(_userInterface, depthSurface, prefix, flags, nullptr, nullptr);
 
 	_vm->_palette->_paletteUsage.load(&_scenePaletteUsage);
@@ -360,6 +360,9 @@ void Scene::loop() {
 		if (_vm->_dialogs->_pendingDialog != DIALOG_NONE && !_vm->_game->_trigger
 			&& _vm->_game->_player._stepEnabled)
 			_reloadSceneFlag = true;
+
+		if (_vm->_game->_winStatus)
+			break;
 	}
 }
 
@@ -587,12 +590,14 @@ void Scene::doSceneStep() {
 }
 
 void Scene::checkKeyboard() {
-	if (_vm->_events->isKeyPressed()) {
-		Common::Event evt = _vm->_events->_pendingKeys.pop();
+	EventsManager &events = *_vm->_events;
+
+	if (events.isKeyPressed()) {
+		Common::KeyState evt = events.getKey();
 		_vm->_game->handleKeypress(evt);
 	}
 
-	if ((_vm->_events->_mouseStatus & 3) == 3 && _vm->_game->_player._stepEnabled) {
+	if ((events._mouseStatus & 3) == 3 && _vm->_game->_player._stepEnabled) {
 		_reloadSceneFlag = true;
 		_vm->_dialogs->_pendingDialog = DIALOG_GAME_MENU;
 		_action.clear();
@@ -606,7 +611,7 @@ void Scene::loadAnimation(const Common::String &resName, int trigger) {
 	if (_activeAnimation)
 		freeAnimation();
 
-	DepthSurface depthSurface(_vm);
+	DepthSurface depthSurface;
 	UserInterface interfaceSurface(_vm);
 
 	_activeAnimation = Animation::init(_vm, this);
@@ -659,6 +664,7 @@ void Scene::freeCurrentScene() {
 	}
 
 	_vm->_palette->_paletteUsage.load(nullptr);
+	_cyclingActive = false;
 	_hotspots.clear();
 	_backgroundSurface.free();
 	_depthSurface.free();
diff --git a/engines/mads/scene.h b/engines/mads/scene.h
index 9fd99ad8e5..c0784c3812 100644
--- a/engines/mads/scene.h
+++ b/engines/mads/scene.h
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
@@ -40,6 +40,8 @@
 
 namespace MADS {
 
+enum { RETURNING_FROM_DIALOG = -2, RETURNING_FROM_LOADING = -1 };
+
 class Scene {
 private:
 	/**
@@ -121,7 +123,7 @@ public:
 	bool _reloadSceneFlag;
 	Common::Point _posAdjust;
 	uint32 _frameStartTime;
-	Layer _layer;
+	ScreenMode _mode;
 	bool _lookFlag;
 	Common::Point _customDest;
 	Common::Array<PaletteUsage::UsageEntry> _paletteUsageF;
diff --git a/engines/mads/scene_data.cpp b/engines/mads/scene_data.cpp
index b0a5aa35c6..e48bcd8c6f 100644
--- a/engines/mads/scene_data.cpp
+++ b/engines/mads/scene_data.cpp
@@ -86,7 +86,8 @@ void ARTHeader::load(Common::SeekableReadStream *f, bool isV2) {
 void SceneInfo::SpriteInfo::load(Common::SeekableReadStream *f) {
 	f->skip(3);
 	_spriteSetIndex = f->readByte();
-	f->skip(2);
+	_frameNumber = f->readSByte();
+	f->skip(1);
 	_position.x = f->readSint16LE();
 	_position.y = f->readSint16LE();
 	_depth = f->readByte();
@@ -263,9 +264,9 @@ void SceneInfo::load(int sceneId, int variant, const Common::String &resName,
 		SpriteAsset *asset = spriteSets[si._spriteSetIndex];
 		assert(asset && _depthStyle != 2);
 
-		MSprite *spr = asset->getFrame(asset->getCount() - 1);
-		bgSurface.copyFrom(spr, si._position, si._depth, &depthSurface, 
-			si._scale, spr->getTransparencyIndex());
+		MSprite *spr = asset->getFrame(si._frameNumber);
+		bgSurface.copyFrom(spr, si._position, si._depth, &depthSurface,
+			si._scale, false, spr->getTransparencyIndex());
 	}
 
 	// Free the sprite sets
@@ -468,6 +469,7 @@ void SceneInfo::loadMadsV2Background(int sceneId, const Common::String &resName,
 			for (int i = 0; i < tileIndex; i++)
 				++tile;
 			((*tile).get())->copyTo(&bgSurface, Common::Point(x * tileWidth, y * tileHeight));
+			((*tile).get())->free();
 		}
 	}
 	tileSet.clear();
diff --git a/engines/mads/scene_data.h b/engines/mads/scene_data.h
index 41e094b8f5..41a08f74eb 100644
--- a/engines/mads/scene_data.h
+++ b/engines/mads/scene_data.h
@@ -144,6 +144,7 @@ class SceneInfo {
 	public:
 		int _spriteSetIndex;
 		Common::Point _position;
+		int _frameNumber;
 		int _depth;
 		int _scale;
 
diff --git a/engines/mads/screen.cpp b/engines/mads/screen.cpp
index c9a0863d85..3c27001ae0 100644
--- a/engines/mads/screen.cpp
+++ b/engines/mads/screen.cpp
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
@@ -244,7 +244,7 @@ void DirtyAreas::reset() {
 ScreenObject::ScreenObject() {
 	_category = CAT_NONE;
 	_descId = 0;
-	_layer = 0;
+	_mode = 0;
 	_active = false;
 }
 
@@ -265,17 +265,17 @@ ScreenObjects::ScreenObjects(MADSEngine *vm) : _vm(vm) {
 	_baseTime = 0;
 }
 
-void ScreenObjects::add(const Common::Rect &bounds, Layer layer, ScrCategory category, int descId) {
-	//assert(size() < 100);
-
+ScreenObject *ScreenObjects::add(const Common::Rect &bounds, ScreenMode mode, ScrCategory category, int descId) {
 	ScreenObject so;
 	so._bounds = bounds;
 	so._category = category;
 	so._descId = descId;
-	so._layer = layer;
+	so._mode = mode;
 	so._active = true;
 
 	push_back(so);
+
+	return &(*this)[size()];
 }
 
 void ScreenObjects::check(bool scanFlag) {
@@ -288,7 +288,7 @@ void ScreenObjects::check(bool scanFlag) {
 	if ((_vm->_events->_mouseMoved || userInterface._scrollbarActive
 			|| _v8332A || _forceRescan) && scanFlag) {
 		_category = CAT_NONE;
-		_selectedObject = scanBackwards(_vm->_events->currentPos(), LAYER_GUI);
+		_selectedObject = scanBackwards(_vm->_events->currentPos(), SCREENMODE_VGA);
 		if (_selectedObject > 0) {
 			ScreenObject &scrObject = (*this)[_selectedObject];
 			_category = (ScrCategory)(scrObject._category & 7);
@@ -308,10 +308,10 @@ void ScreenObjects::check(bool scanFlag) {
 		}
 
 		//_released = _vm->_events->_mouseReleased;
-		if (_vm->_events->_vD2 || (_vm->_easyMouse && !_vm->_events->_mouseStatusCopy))
+		if (_vm->_events->_mouseButtons || (_vm->_easyMouse && !_vm->_events->_mouseStatusCopy))
 			scene._userInterface._category = _category;
 
-		if (!_vm->_events->_mouseButtons || _vm->_easyMouse) {
+		if (_vm->_events->_mouseButtons || _vm->_easyMouse) {
 			if (userInterface._category >= CAT_COMMAND && userInterface._category <= CAT_TALK_ENTRY) {
 				elementHighlighted();
 			}
@@ -365,7 +365,7 @@ void ScreenObjects::check(bool scanFlag) {
 int ScreenObjects::scan(const Common::Point &pt, int layer) {
 	for (uint i = 1; i <= size(); ++i) {
 		ScreenObject &sObj = (*this)[i];
-		if (sObj._active && sObj._bounds.contains(pt) && sObj._layer == layer)
+		if (sObj._active && sObj._bounds.contains(pt) && sObj._mode == layer)
 			return i;
 	}
 
@@ -376,7 +376,7 @@ int ScreenObjects::scan(const Common::Point &pt, int layer) {
 int ScreenObjects::scanBackwards(const Common::Point &pt, int layer) {
 	for (int i = (int)size(); i >= 1; --i) {
 		ScreenObject &sObj = (*this)[i];
-		if (sObj._active && sObj._bounds.contains(pt) && sObj._layer == layer)
+		if (sObj._active && sObj._bounds.contains(pt) && sObj._mode == layer)
 			return i;
 	}
 
@@ -526,7 +526,7 @@ void ScreenObjects::elementHighlighted() {
 	action._pickedWord = newIndex;
 
 	if (_category == CAT_INV_LIST || _category == CAT_INV_ANIM) {
-		if (action._interAwaiting == 1 && newIndex >= 0 && _released &&
+		if (action._interAwaiting == AWAITING_COMMAND && newIndex >= 0 && _released &&
 				(!_vm->_events->_mouseReleased || !_vm->_easyMouse))
 			newIndex = -1;
 	}
@@ -540,7 +540,7 @@ void ScreenObjects::elementHighlighted() {
 }
 
 void ScreenObjects::setActive(ScrCategory category, int descId, bool active) {
-	for (uint idx = 1; idx < size(); ++idx) {
+	for (uint idx = 1; idx <= size(); ++idx) {
 		ScreenObject &sObj = (*this)[idx];
 		if (sObj._category == category && sObj._descId == descId)
 			sObj._active = active;
@@ -571,7 +571,7 @@ void ScreenSurface::init() {
 }
 
 ScreenSurface::~ScreenSurface() {
-	delete[] _surfacePixels;
+	::free(_surfacePixels);
 }
 
 void ScreenSurface::copyRectToScreen(const Common::Rect &bounds) {
@@ -609,9 +609,10 @@ void ScreenSurface::updateScreen() {
 
 void ScreenSurface::transition(ScreenTransition transitionType, bool surfaceFlag) {
 	Palette &pal = *_vm->_palette;
+	Scene &scene = _vm->_game->_scene;
 	byte palData[PALETTE_SIZE];
 
-	switch (transitionType) {
+ 	switch (transitionType) {
 	case kTransitionFadeIn:
 	case kTransitionFadeOutIn:
 		Common::fill(&pal._colorValues[0], &pal._colorValues[3], 0);
@@ -641,8 +642,9 @@ void ScreenSurface::transition(ScreenTransition transitionType, bool surfaceFlag
 
 	case kTransitionPanLeftToRight:
 	case kTransitionPanRightToLeft:
-		warning("TODO: pan transition");
-		transition(kTransitionFadeIn, surfaceFlag);
+		panTransition(scene._backgroundSurface, pal._mainPalette,
+			transitionType - kTransitionPanLeftToRight,
+			Common::Point(0, 0), scene._posAdjust, THROUGH_BLACK2, true, 1);
 		break;
 
 	case kTransitionCircleIn1:
@@ -653,8 +655,10 @@ void ScreenSurface::transition(ScreenTransition transitionType, bool surfaceFlag
 		transition(kTransitionFadeIn, surfaceFlag);
 		break;
 
-	case kCenterVertTransition:
-		warning("TODO: center vert transition");
+	case kNullPaletteCopy:
+		// Original temporarily set the palette to black, copied the scene to the
+		// screen, and then restored the palette. We can give a similiar effect
+		// by doing a standard quick palette fade in
 		transition(kTransitionFadeIn, surfaceFlag);
 		break;
 
@@ -674,5 +678,143 @@ void ScreenSurface::resetClipBounds() {
 	setClipBounds(Common::Rect(0, 0, MADS_SCREEN_WIDTH, MADS_SCREEN_HEIGHT));
 }
 
+void ScreenSurface::panTransition(MSurface &newScreen, byte *palData, int entrySide,
+		const Common::Point &srcPos, const Common::Point &destPos,
+		ThroughBlack throughBlack, bool setPalette, int numTicks) {
+	EventsManager &events = *_vm->_events;
+	Palette &palette = *_vm->_palette;
+	Common::Point size;
+	int y1, y2;
+	int startX = 0;
+	int deltaX;
+	int xAt;
+	int loopStart;
+//	uint32 baseTicks, currentTicks;
+	byte paletteMap[256];
+
+	size.x = MIN(newScreen.w, (uint16)MADS_SCREEN_WIDTH);
+	size.y = newScreen.h;
+	if (newScreen.h >= MADS_SCREEN_HEIGHT)
+		size.y = MADS_SCENE_HEIGHT;
+
+	// Set starting position and direction delta for the transition
+	if (entrySide == 1)
+		// Right to left
+		startX = size.x - 1;
+	deltaX = startX ? -1 : 1;
+
+	if (setPalette & !throughBlack)
+		palette.setFullPalette(palData);
+
+	// TODO: Original uses a different frequency ticks counter. Need to
+	// confirm frequency and see whether we need to implement it, or
+	// if the current frame ticks can substitute for it
+//	baseTicks = events.getFrameCounter();
+
+	y1 = 0;
+	y2 = size.y - 1;
+//	sizeY = y2 - y1 + 1;
+
+	if (throughBlack == THROUGH_BLACK2)
+		swapForeground(palData, &paletteMap[0]);
+
+	loopStart = throughBlack == THROUGH_BLACK1 ? 0 : 1;
+	for (int loop = loopStart; loop < 2; ++loop) {
+		xAt = startX;
+		for (int xCtr = 0; xCtr < size.x; ++xCtr, xAt += deltaX) {
+			if (!loop) {
+				fillRect(Common::Rect(xAt + destPos.x, y1 + destPos.y,
+					xAt + destPos.x + 1, y2 + destPos.y), 0);
+			} else if (throughBlack == THROUGH_BLACK2) {
+				copyRectTranslate(newScreen, paletteMap,
+					Common::Point(xAt, destPos.y),
+					Common::Rect(srcPos.x + xAt, srcPos.y,
+					srcPos.x + xAt + 1, srcPos.y + size.y));
+			} else {
+				newScreen.copyRectToSurface(*this, xAt, destPos.y,
+					Common::Rect(srcPos.x + xAt, srcPos.y, 
+					srcPos.x + xAt + 1, srcPos.y + size.y));
+			}
+
+			copyRectToScreen(Common::Rect(xAt, destPos.y, xAt + 1, destPos.y + size.y));
+
+			// Slight delay
+			events.pollEvents();
+			g_system->delayMillis(1);
+		}
+
+		if ((setPalette && !loop) || throughBlack == THROUGH_BLACK2)
+			palette.setFullPalette(palData);
+	}
+
+	if (throughBlack == THROUGH_BLACK2) {
+		Common::Rect r(srcPos.x, srcPos.y, srcPos.x + size.x, srcPos.y + size.y);
+		copyRectToSurface(newScreen, destPos.x, destPos.y, r);
+		copyRectToScreen(r);
+	}
+}
+
+/**
+ * Translates the current screen from the old palette to the new palette
+ */
+void ScreenSurface::swapForeground(byte newPalette[PALETTE_SIZE], byte *paletteMap) {
+	Palette &palette = *_vm->_palette;
+	byte oldPalette[PALETTE_SIZE];
+	byte oldMap[PALETTE_COUNT];
+
+	palette.getFullPalette(oldPalette);
+	swapPalette(oldPalette, oldMap, true);
+	swapPalette(newPalette, paletteMap, false);
+
+	// Transfer translated foreground colors. Since foregrounds are interleaved
+	// with background, we only copy over each alternate RGB tuplet
+	const byte *srcP = &newPalette[RGB_SIZE];
+	byte *destP = &oldPalette[RGB_SIZE];
+	while (destP < &oldPalette[PALETTE_SIZE]) {
+		Common::copy(srcP, srcP + RGB_SIZE, destP);
+		srcP += 2 * RGB_SIZE;
+		destP += 2 * RGB_SIZE;
+	}
+
+	Common::Rect oldClip = _clipBounds;
+	resetClipBounds();
+	
+	copyRectTranslate(*this, oldMap, Common::Point(0, 0), 
+		Common::Rect(0, 0, MADS_SCREEN_WIDTH, MADS_SCREEN_HEIGHT));
+	palette.setFullPalette(oldPalette);
+
+	setClipBounds(oldClip);
+}
+
+/**
+ * Translates a given palette into a mapping table.
+ * Palettes consist of 128 RGB entries for the foreground and background
+ * respectively, with the two interleaved together. So the start 
+ */
+void ScreenSurface::swapPalette(const byte *palData, byte swapTable[PALETTE_COUNT], 
+		bool foreground) {
+	int start = foreground ? 1 : 0;
+	const byte *dynamicList = &palData[start * RGB_SIZE];
+	int staticStart = 1 - start;
+	const byte *staticList = &palData[staticStart * RGB_SIZE];
+	const int PALETTE_START = 1;
+	const int PALETTE_END = 252;
+
+	// Set initial index values
+	for (int idx = 0; idx < PALETTE_COUNT; ++idx)
+		swapTable[idx] = idx;
+
+	// Handle the 128 palette entries for the foreground or background
+	for (int idx = 0; idx < (PALETTE_COUNT / 2); ++idx) {
+		if (start >= PALETTE_START && start <= PALETTE_END) {
+			swapTable[start] = Palette::closestColor(dynamicList, staticList, 
+				2 * RGB_SIZE, PALETTE_COUNT / 2) * 2 + staticStart;
+		}
+
+		dynamicList += 2 * RGB_SIZE;
+		start += 2;
+	}
+}
+
 
 } // End of namespace MADS
diff --git a/engines/mads/screen.h b/engines/mads/screen.h
index 9d01ca82e3..d910e88633 100644
--- a/engines/mads/screen.h
+++ b/engines/mads/screen.h
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
@@ -33,8 +33,8 @@ namespace MADS {
 #define MADS_SCREEN_WIDTH 320
 #define MADS_SCREEN_HEIGHT 200
 
-enum Layer {
-	LAYER_GUI = 19
+enum ScreenMode {
+	SCREENMODE_VGA = 19
 };
 
 enum ScreenTransition {
@@ -47,7 +47,7 @@ enum ScreenTransition {
 	kTransitionCircleIn3, kTransitionCircleIn4,
 	kVertTransition1, kVertTransition2, kVertTransition3,
 	kVertTransition4, kVertTransition5, kVertTransition6,
-	kVertTransition7, kCenterVertTransition
+	kVertTransition7, kNullPaletteCopy
 };
 
 enum InputMode {
@@ -56,6 +56,11 @@ enum InputMode {
 	kInputLimitedSentences = 2		// Use only scene hotspots
 };
 
+enum ThroughBlack {
+	THROUGH_BLACK1 = 1,
+	THROUGH_BLACK2 = 2
+};
+
 class SpriteSlot;
 class TextDisplay;
 class UISlot;
@@ -130,7 +135,7 @@ public:
 	Common::Rect _bounds;
 	ScrCategory _category;
 	int _descId;
-	int _layer;
+	int _mode;
 
 	ScreenObject();
 };
@@ -162,7 +167,7 @@ public:
 	/**
 	* Add a new item to the list
 	*/
-	void add(const Common::Rect &bounds, Layer layer, ScrCategory category, int descId);
+	ScreenObject *add(const Common::Rect &bounds, ScreenMode mode, ScrCategory category, int descId);
 
 	/**
 	 * Check objects on the screen
@@ -207,6 +212,14 @@ private:
 	uint16 _random;
 	byte *_surfacePixels;
 	Common::Rect _clipBounds;
+
+	void panTransition(MSurface &newScreen, byte *palData, int entrySide,
+		const Common::Point &srcPos, const Common::Point &destPos,
+		ThroughBlack throughBlack, bool setPalette, int numTicks);
+
+	void swapForeground(byte newPalette[PALETTE_SIZE], byte *paletteMap);
+
+	void swapPalette(const byte palData[PALETTE_SIZE], byte swapTable[PALETTE_COUNT], bool foreground);
 public:
 	int _shakeCountdown;
 public:
diff --git a/engines/mads/sequence.cpp b/engines/mads/sequence.cpp
index 07b1451718..e5bf1631c2 100644
--- a/engines/mads/sequence.cpp
+++ b/engines/mads/sequence.cpp
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
@@ -95,8 +95,8 @@ bool SequenceList::addSubEntry(int index, SequenceTrigger mode, int frameIndex,
 }
 
 int SequenceList::add(int spriteListIndex, bool flipped, int frameIndex, int triggerCountdown, int delayTicks, int extraTicks, int numTicks,
-	int msgX, int msgY, bool nonFixed, int scale, int depth, int frameInc, SpriteAnimType animType, int numSprites,
-	int frameStart) {
+		int msgX, int msgY, bool nonFixed, int scale, int depth, int frameInc, SpriteAnimType animType, int numSprites,
+		int frameStart) {
 	Scene &scene = _vm->_game->_scene;
 
 	// Find a free slot
@@ -144,7 +144,7 @@ int SequenceList::add(int spriteListIndex, bool flipped, int frameIndex, int tri
 	return seqIndex;
 }
 
-int SequenceList::addTimer(int timeout, int abortVal) {
+int SequenceList::addTimer(int timeout, int endTrigger) {
 	Scene &scene = _vm->_game->_scene;
 	uint seqIndex;
 	for (seqIndex = 0; seqIndex < _entries.size(); ++seqIndex) {
@@ -164,7 +164,7 @@ int SequenceList::addTimer(int timeout, int abortVal) {
 	se._entries._count = 0;
 	se._triggerMode = _vm->_game->_triggerSetupMode;
 	se._actionNouns = _vm->_game->_scene._action._activeAction;
-	addSubEntry(seqIndex, SEQUENCE_TRIGGER_EXPIRE, 0, abortVal);
+	addSubEntry(seqIndex, SEQUENCE_TRIGGER_EXPIRE, 0, endTrigger);
 
 	return seqIndex;
 }
@@ -181,6 +181,19 @@ void SequenceList::remove(int seqIndex) {
 	scene._spriteSlots.deleteTimer(seqIndex);
 }
 
+int SequenceList::findByTrigger(int trigger) {
+	for (uint idx = 0; idx < _entries.size(); ++idx) {
+		if (_entries[idx]._active) {
+			for (int subIdx = 0; subIdx < _entries[idx]._entries._count; ++subIdx) {
+				if (_entries[idx]._entries._trigger[subIdx] == trigger)
+					return idx;
+			}
+		}
+	}
+
+	return -1;
+}
+
 void SequenceList::setSpriteSlot(int seqIndex, SpriteSlot &spriteSlot) {
 	Scene &scene = _vm->_game->_scene;
 	SequenceEntry &timerEntry = _entries[seqIndex];
@@ -466,28 +479,28 @@ int SequenceList::startCycle(int srcSpriteIndex, bool flipped, int cycleIndex) {
 	return result;
 }
 
-int SequenceList::startReverseCycle(int srcSpriteIndex, bool flipped, int numTicks,
+int SequenceList::startPingPongCycle(int srcSpriteIndex, bool flipped, int numTicks,
 		int triggerCountdown, int timeoutTicks, int extraTicks) {
 	SpriteAsset *sprites = _vm->_game->_scene._sprites[srcSpriteIndex];
 	MSprite *frame = sprites->getFrame(0);
 	int depth = _vm->_game->_scene._depthSurface.getDepth(Common::Point(
 		frame->_offset.x + frame->w / 2, frame->_offset.y + frame->h / 2));
 
-	return add(srcSpriteIndex, flipped, sprites->getCount(), triggerCountdown, timeoutTicks, 
-		extraTicks, numTicks, 0, 0, true, 100, depth - 1, -1, ANIMTYPE_REVERSIBLE, 0, 0);
+	return add(srcSpriteIndex, flipped, 1, triggerCountdown, timeoutTicks,
+		extraTicks, numTicks, 0, 0, true, 100, depth - 1, 1, ANIMTYPE_PING_PONG, 0, 0);
 }
 
-void SequenceList::updateTimeout(int spriteIdx, int seqIndex) {
+void SequenceList::updateTimeout(int srcSeqIndex, int destSeqIndex) {
 	Player &player = _vm->_game->_player;
 	int timeout;
 
-	if (spriteIdx >= 0)
-		timeout = _entries[spriteIdx]._timeout;
+	if (srcSeqIndex >= 0)
+		timeout = _entries[srcSeqIndex]._timeout;
 	else
 		timeout = player._priorTimer + player._ticksAmount;
 
-	if (seqIndex >= 0)
-		_entries[seqIndex]._timeout = timeout;
+	if (destSeqIndex >= 0)
+		_entries[destSeqIndex]._timeout = timeout;
 	else
 		player._priorTimer = timeout - player._ticksAmount;
 
@@ -526,8 +539,7 @@ void SequenceList::setMotion(int seqIndex, int flags, int deltaX, int deltaY) {
 
 	if (deltaY > 0) {
 		se._posSign.y = 1;
-	}
-	else if (deltaY < 0) {
+	} else if (deltaY < 0) {
 		se._posSign.y = -1;
 	} else {
 		se._posSign.y = 0;
diff --git a/engines/mads/sequence.h b/engines/mads/sequence.h
index ee587ff02d..c3a277c5a5 100644
--- a/engines/mads/sequence.h
+++ b/engines/mads/sequence.h
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
@@ -38,7 +38,7 @@ enum SequenceTrigger {
 	SEQUENCE_TRIGGER_SPRITE = 2		// Trigger when sequence reaches specific sprite
 };
 
-enum SpriteAnimType { ANIMTYPE_NONE = 0, ANIMTYPE_CYCLED = 1, ANIMTYPE_REVERSIBLE = 2 };
+enum SpriteAnimType { ANIMTYPE_NONE = 0, ANIMTYPE_CYCLED = 1, ANIMTYPE_PING_PONG = 2 };
 
 #define SEQUENCE_ENTRY_SUBSET_MAX 5
 
@@ -101,8 +101,9 @@ public:
 		int extraTicks, int numTicks, int msgX, int msgY, bool nonFixed, int scale, int depth,
 		int frameInc, SpriteAnimType animType, int numSprites, int frameStart);
 
-	int addTimer(int timeout, int abortVal);
+	int addTimer(int timeout, int endTrigger);
 	void remove(int seqIndex);
+	int findByTrigger(int trigger);
 	void setSpriteSlot(int seqIndex, SpriteSlot &spriteSlot);
 	bool loadSprites(int seqIndex);
 	void tick();
@@ -117,9 +118,9 @@ public:
 		int triggerCountdown = 0, int timeoutTicks = 0, int extraTicks = 0);
 
 	int startCycle(int srcSpriteIdx, bool flipped, int cycleIndex);
-	int startReverseCycle(int srcSpriteIndex, bool flipped, int numTicks,
+	int startPingPongCycle(int srcSpriteIndex, bool flipped, int numTicks,
 		int triggerCountdown = 0, int timeoutTicks = 0, int extraTicks = 0);
-	void updateTimeout(int spriteIdx, int seqIndex);
+	void updateTimeout(int destSeqIndex, int srcSeqIndex);
 	void setScale(int spriteIdx, int scale);
 	void setMsgLayout(int seqIndex);
 	void setDone(int seqIndex);
diff --git a/engines/mads/sound.cpp b/engines/mads/sound.cpp
index d0aa770a4d..7b9388eee3 100644
--- a/engines/mads/sound.cpp
+++ b/engines/mads/sound.cpp
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
@@ -36,9 +36,19 @@ SoundManager::SoundManager(MADSEngine *vm, Audio::Mixer *mixer) {
 	_pollSoundEnabled = false;
 	_soundPollFlag = false;
 	_newSoundsPaused = false;
+	_masterVolume = 255;
 
 	_opl = OPL::Config::create();
 	_opl->init(11025);
+
+	// Validate sound files
+	switch (_vm->getGameID()) {
+	case GType_RexNebular:
+		Nebular::ASound::validate();
+		break;
+	default:
+		break;
+	}
 }
 
 SoundManager::~SoundManager() {
@@ -53,6 +63,9 @@ SoundManager::~SoundManager() {
 void SoundManager::init(int sectionNumber) {
 	assert(sectionNumber > 0 && sectionNumber < 10);
 
+	if (_driver != nullptr)
+		delete _driver;
+
 	switch (_vm->getGameID()) {
 	case GType_RexNebular:
 		switch (sectionNumber) {
@@ -85,15 +98,18 @@ void SoundManager::init(int sectionNumber) {
 			break;
 		default:
 			_driver = nullptr;
-			break;
+			return;
 		}
 		break;
 
 	default:
 		warning("SoundManager: Unknown game");
 		_driver = nullptr;
-		break;
+		return;
 	}
+
+	// Set volume for newly loaded driver
+	_driver->setVolume(_masterVolume);
 }
 
 void SoundManager::closeDriver() {
@@ -129,12 +145,22 @@ void SoundManager::startQueuedCommands() {
 	}
 }
 
+void SoundManager::setVolume(int volume) {
+	_masterVolume = volume;
+
+	if (_driver)
+		_driver->setVolume(volume);
+}
+
 void SoundManager::command(int commandId, int param) {
 	if (_newSoundsPaused) {
 		if (_queuedCommands.size() < 8)
 			_queuedCommands.push(commandId);
 	} else if (_driver) {
-		_driver->command(commandId, param);
+		// Note: I don't know any way to identify music commands versus sfx
+		// commands, so if sfx is mute, then so is music
+		if (_vm->_soundFlag)
+			_driver->command(commandId, param);
 	}
 }
 
diff --git a/engines/mads/sound.h b/engines/mads/sound.h
index 72bb21a812..16128f8284 100644
--- a/engines/mads/sound.h
+++ b/engines/mads/sound.h
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
@@ -43,6 +43,7 @@ private:
 	bool _soundPollFlag;
 	bool _newSoundsPaused;
 	Common::Queue<int> _queuedCommands;
+	int _masterVolume;
 public:
 	SoundManager(MADSEngine *vm, Audio::Mixer *mixer);
 	~SoundManager();
@@ -78,6 +79,11 @@ public:
 	 */
 	void startQueuedCommands();
 
+	/**
+	 * Set the master volume
+	 */
+	void setVolume(int volume);
+
 	//@{
 	/**
 	 * Executes a command on the sound driver
diff --git a/engines/mads/sprites.cpp b/engines/mads/sprites.cpp
index 6cb55aaeee..0a1c0b710d 100644
--- a/engines/mads/sprites.cpp
+++ b/engines/mads/sprites.cpp
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
@@ -347,8 +347,10 @@ void SpriteSlots::drawSprites(MSurface *s) {
 				spr->copyTo(s, Common::Point(xp, yp), sprite->getTransparencyIndex());
 
 				// Free sprite if it was a flipped one
-				if (flipped)
+				if (flipped) {
+					spr->free();
 					delete spr;
+				}
 			}
 		}
 	}
@@ -368,22 +370,18 @@ SpriteSets::~SpriteSets() {
 }
 
 int SpriteSets::add(SpriteAsset *asset, int idx) {
-	if (idx)
-		idx = idx + 49;
-	else
-		idx = size();
-
-	if (idx >= (int)size())
-		resize(idx + 1);
+	if (idx) {
+		assert(idx == 1);
+		delete _uiSprites;
+		_uiSprites = asset;
 
-	if ((*this)[idx]) {
-		delete (*this)[idx];
+		return SPRITE_SLOTS_MAX_SIZE;
 	} else {
-		++_assetCount;
-	}
+		assert(size() < SPRITE_SLOTS_MAX_SIZE);
+		push_back(asset);
 
-	(*this)[idx] = asset;
-	return idx;
+		return (int)size() - 1;
+	}
 }
 
 int SpriteSets::addSprites(const Common::String &resName, int flags) {
@@ -393,25 +391,32 @@ int SpriteSets::addSprites(const Common::String &resName, int flags) {
 void SpriteSets::clear() {
 	for (uint i = 0; i < size(); ++i)
 		delete (*this)[i];
-
-	_assetCount = 0;
 	Common::Array<SpriteAsset *>::clear();
+
+	delete _uiSprites;
+	_uiSprites = nullptr;
 }
 
 void SpriteSets::remove(int idx) {
-	if (idx >= 0) {
+	if (idx == SPRITE_SLOTS_MAX_SIZE) {
+		delete _uiSprites;
+		_uiSprites = nullptr;
+	} else if (idx >= 0 && idx < (int)size()) {
+		delete (*this)[idx];
+
 		if (idx < ((int)size() - 1)) {
-			delete (*this)[idx];
 			(*this)[idx] = nullptr;
 		} else {
-			while (size() > 0 && (*this)[size() - 1] == nullptr) {
+			do {
 				remove_at(size() - 1);
-			}
+			} while (size() > 0 && (*this)[size() - 1] == nullptr);
 		}
-
-		if (_assetCount > 0)
-			--_assetCount;
 	}
 }
 
+SpriteAsset *&SpriteSets::operator[](int idx) {
+	return (idx == SPRITE_SLOTS_MAX_SIZE) ? _uiSprites :
+		Common::Array<SpriteAsset *>::operator[](idx);
+}
+
 } // End of namespace MADS
diff --git a/engines/mads/sprites.h b/engines/mads/sprites.h
index 6ea3c9e52e..3db922c40b 100644
--- a/engines/mads/sprites.h
+++ b/engines/mads/sprites.h
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
@@ -202,12 +202,12 @@ class SpriteSets : public Common::Array<SpriteAsset *> {
 private:
 	MADSEngine *_vm;
 public:
-	int _assetCount;
-
+	SpriteAsset *_uiSprites;
+public:
 	/**
 	 * Constructor
 	 */
-	SpriteSets(MADSEngine *vm) : _vm(vm), _assetCount(0) {}
+	SpriteSets(MADSEngine *vm) : _vm(vm), _uiSprites(nullptr) {}
 
 	/**
 	 * Destructor
@@ -233,6 +233,8 @@ public:
 	 * Remove an asset from the list
 	 */
 	void remove(int idx);
+
+	SpriteAsset *&operator[](int idx);
 };
 
 } // End of namespace MADS
diff --git a/engines/mads/staticres.cpp b/engines/mads/staticres.cpp
index 189e5f72e7..b659d9a27c 100644
--- a/engines/mads/staticres.cpp
+++ b/engines/mads/staticres.cpp
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
diff --git a/engines/mads/staticres.h b/engines/mads/staticres.h
index 560fd12e67..b805729327 100644
--- a/engines/mads/staticres.h
+++ b/engines/mads/staticres.h
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
diff --git a/engines/mads/user_interface.cpp b/engines/mads/user_interface.cpp
index 1f8d5037bc..62fd036c03 100644
--- a/engines/mads/user_interface.cpp
+++ b/engines/mads/user_interface.cpp
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
@@ -164,6 +164,7 @@ void UISlots::draw(bool updateFlag, bool delFlag) {
 						MSurface *spr = sprite->flipHorizontal();
 						userInterface.mergeFrom(spr, spr->getBounds(), slot._position,
 							sprite->getTransparencyIndex());
+						spr->free();
 						delete spr;
 					} else {
 						userInterface.mergeFrom(sprite, sprite->getBounds(), slot._position,
@@ -410,13 +411,21 @@ void UserInterface::setup(InputMode inputMode) {
 }
 
 void UserInterface::drawTextElements() {
-	if (_vm->_game->_screenObjects._inputMode) {
-		drawConversationList();
-	} else {
+	switch (_vm->_game->_screenObjects._inputMode) {
+	case kInputBuildingSentences:
 		// Draw the actions
 		drawActions();
 		drawInventoryList();
 		drawItemVocabList();
+		break;
+
+	case kInputConversation:
+		drawConversationList();
+		break;
+
+	case kInputLimitedSentences:
+	default:
+		break;
 	}
 }
 
@@ -495,7 +504,6 @@ void UserInterface::drawScroller() {
 
 void UserInterface::updateInventoryScroller() {
 	ScreenObjects &screenObjects = _vm->_game->_screenObjects;
-	Common::Array<int> &inventoryList = _vm->_game->_objects._inventoryList;
 
 	if (screenObjects._inputMode != kInputBuildingSentences)
 		return;
@@ -515,48 +523,11 @@ void UserInterface::updateInventoryScroller() {
 				uint32 timeInc = _scrollbarQuickly ? 100 : 380;
 
 				if (_vm->_events->_mouseStatus && (_scrollbarMilliTime + timeInc) <= currentMilli) {
-					_scrollbarQuickly = _vm->_events->_vD2 < 1;
+					_scrollbarQuickly = _vm->_events->_strokeGoing < 1;
 					_scrollbarMilliTime = currentMilli;
 
-					switch (_scrollbarStrokeType) {
-					case SCROLLBAR_UP:
-						// Scroll up
-						if (_inventoryTopIndex > 0 && inventoryList.size() > 0) {
-							--_inventoryTopIndex;
-							_inventoryChanged = true;
-						}
-						break;
-
-					case SCROLLBAR_DOWN:
-						// Scroll down
-						if (_inventoryTopIndex < ((int)inventoryList.size() - 1) && inventoryList.size() > 1) {
-							++_inventoryTopIndex;
-							_inventoryChanged = true;
-						}
-						break;
-
-					case SCROLLBAR_ELEVATOR: {
-						// Inventory slider
-						int newIndex = CLIP((int)_vm->_events->currentPos().y - 170, 0, 17)
-							* inventoryList.size() / 10;
-						if (newIndex >= (int)inventoryList.size())
-							newIndex = inventoryList.size() - 1;
-
-						if (inventoryList.size() > 0) {
-							_inventoryChanged = newIndex != _inventoryTopIndex;
-							_inventoryTopIndex = newIndex;
-						}
-						break;
-					}
-
-					default:
-						break;
-					}
-
-					if (_inventoryChanged) {
-						int dummy;
-						updateSelection(CAT_INV_LIST, 0, &dummy);
-					}
+					// Change the scrollbar and visible inventory list
+					changeScrollBar();
 				}
 			}
 		}
@@ -569,6 +540,54 @@ void UserInterface::updateInventoryScroller() {
 	_scrollbarOldElevator = _scrollbarElevator;
 }
 
+void UserInterface::changeScrollBar() {
+	Common::Array<int> &inventoryList = _vm->_game->_objects._inventoryList;
+	ScreenObjects &screenObjects = _vm->_game->_screenObjects;
+
+	if (screenObjects._inputMode != kInputBuildingSentences)
+		return;
+
+	switch (_scrollbarStrokeType) {
+	case SCROLLBAR_UP:
+		// Scroll up
+		if (_inventoryTopIndex > 0 && inventoryList.size() > 0) {
+			--_inventoryTopIndex;
+			_inventoryChanged = true;
+		}
+		break;
+
+	case SCROLLBAR_DOWN:
+		// Scroll down
+		if (_inventoryTopIndex < ((int)inventoryList.size() - 1) && inventoryList.size() > 1) {
+			++_inventoryTopIndex;
+			_inventoryChanged = true;
+		}
+		break;
+
+	case SCROLLBAR_ELEVATOR: {
+		// Inventory slider
+		int newIndex = CLIP((int)_vm->_events->currentPos().y - 170, 0, 17)
+			* inventoryList.size() / 10;
+		if (newIndex >= (int)inventoryList.size())
+			newIndex = inventoryList.size() - 1;
+
+		if (inventoryList.size() > 0) {
+			_inventoryChanged = newIndex != _inventoryTopIndex;
+			_inventoryTopIndex = newIndex;
+		}
+		break;
+	}
+
+	default:
+		break;
+	}
+
+	if (_inventoryChanged) {
+		int dummy;
+		updateSelection(CAT_INV_LIST, 0, &dummy);
+	}
+}
+
 void UserInterface::scrollbarChanged() {
 	Common::Rect r(73, 4, 73 + 9, 4 + 38);
 	_uiSlots.add(r);
@@ -673,7 +692,7 @@ void UserInterface::loadElements() {
 			getBounds(CAT_INV_SCROLLER, idx, bounds);
 			moveRect(bounds);
 
-			_vm->_game->_screenObjects.add(bounds, LAYER_GUI, CAT_INV_SCROLLER, idx);
+			_vm->_game->_screenObjects.add(bounds, SCREENMODE_VGA, CAT_INV_SCROLLER, idx);
 		}
 
 		// Set up actions
@@ -682,7 +701,7 @@ void UserInterface::loadElements() {
 			getBounds(CAT_COMMAND, idx, bounds);
 			moveRect(bounds);
 
-			_vm->_game->_screenObjects.add(bounds, LAYER_GUI, CAT_COMMAND, idx);
+			_vm->_game->_screenObjects.add(bounds, SCREENMODE_VGA, CAT_COMMAND, idx);
 		}
 
 		// Set up inventory list
@@ -691,7 +710,7 @@ void UserInterface::loadElements() {
 			getBounds(CAT_INV_LIST, _inventoryTopIndex + idx, bounds);
 			moveRect(bounds);
 
-			_vm->_game->_screenObjects.add(bounds, LAYER_GUI, CAT_INV_LIST, idx);
+			_vm->_game->_screenObjects.add(bounds, SCREENMODE_VGA, CAT_INV_LIST, idx);
 		}
 
 		// Set up the inventory vocab list
@@ -700,12 +719,12 @@ void UserInterface::loadElements() {
 			getBounds(CAT_INV_VOCAB, idx, bounds);
 			moveRect(bounds);
 
-			_vm->_game->_screenObjects.add(bounds, LAYER_GUI, CAT_INV_VOCAB, idx);
+			_vm->_game->_screenObjects.add(bounds, SCREENMODE_VGA, CAT_INV_VOCAB, idx);
 		}
 
 		// Set up the inventory item picture
 		_categoryIndexes[CAT_INV_ANIM - 1] = _vm->_game->_screenObjects.size() + 1;
-		_vm->_game->_screenObjects.add(Common::Rect(160, 159, 231, 194), LAYER_GUI,
+		_vm->_game->_screenObjects.add(Common::Rect(160, 159, 231, 194), SCREENMODE_VGA,
 			CAT_INV_ANIM, 0);
 	}
 
@@ -714,7 +733,9 @@ void UserInterface::loadElements() {
 		_categoryIndexes[CAT_HOTSPOT - 1] = _vm->_game->_screenObjects.size() + 1;
 		for (int hotspotIdx = scene._hotspots.size() - 1; hotspotIdx >= 0; --hotspotIdx) {
 			Hotspot &hs = scene._hotspots[hotspotIdx];
-			_vm->_game->_screenObjects.add(hs._bounds, LAYER_GUI, CAT_HOTSPOT, hotspotIdx);
+			ScreenObject *so = _vm->_game->_screenObjects.add(hs._bounds, SCREENMODE_VGA, 
+				CAT_HOTSPOT, hotspotIdx);
+			so->_active = hs._active;
 		}
 	}
 
@@ -725,7 +746,7 @@ void UserInterface::loadElements() {
 			getBounds(CAT_TALK_ENTRY, idx, bounds);
 			moveRect(bounds);
 
-			_vm->_game->_screenObjects.add(bounds, LAYER_GUI, CAT_TALK_ENTRY, idx);
+			_vm->_game->_screenObjects.add(bounds, SCREENMODE_VGA, CAT_TALK_ENTRY, idx);
 		}
 	}
 
@@ -833,23 +854,24 @@ void UserInterface::emptyConversationList() {
 }
 
 void UserInterface::addConversationMessage(int vocabId, const Common::String &msg) {
-	assert(_talkStrings.size() < 5);
-
-	_talkStrings.push_back(msg);
-	_talkIds.push_back(vocabId);
+	// Only allow a maximum of 5 talk entries to be displayed
+	if (_talkStrings.size() < 5) {
+		_talkStrings.push_back(msg);
+		_talkIds.push_back(vocabId);
+	}
 }
 
 void UserInterface::loadInventoryAnim(int objectId) {
 	Scene &scene = _vm->_game->_scene;
 	noInventoryAnim();
 
-	if (_vm->_invObjectsAnimated) {
-		Common::String resName = Common::String::format("*OB%.3dI", objectId);
-		SpriteAsset *asset = new SpriteAsset(_vm, resName, ASSET_SPINNING_OBJECT);
-		_invSpritesIndex = scene._sprites.add(asset, 1);
-		if (_invSpritesIndex >= 0) {
-			_invFrameNumber = 1;
-		}
+	// WORKAROUND: Even in still mode, we now load the animation frames for the
+	// object, so we can show the first frame as a 'still'
+	Common::String resName = Common::String::format("*OB%.3dI", objectId);
+	SpriteAsset *asset = new SpriteAsset(_vm, resName, ASSET_SPINNING_OBJECT);
+	_invSpritesIndex = scene._sprites.add(asset, 1);
+	if (_invSpritesIndex >= 0) {
+		_invFrameNumber = 1;
 	}
 }
 
@@ -881,10 +903,13 @@ void UserInterface::inventoryAnim() {
 			_invSpritesIndex < 0)
 		return;
 
-	// Move to the next frame number in the sequence, resetting if at the end
-	SpriteAsset *asset = scene._sprites[_invSpritesIndex];
-	if (++_invFrameNumber > asset->getCount())
-		_invFrameNumber = 1;
+	// WORKAROUND: Fix still inventory display, which was broken in the original
+	if (_vm->_invObjectsAnimated) {
+		// Move to the next frame number in the sequence, resetting if at the end
+		SpriteAsset *asset = scene._sprites[_invSpritesIndex];
+		if (++_invFrameNumber > asset->getCount())
+			_invFrameNumber = 1;
+	}
 
 	// Loop through the slots list for inventory animation entry
 	for (uint i = 0; i < _uiSlots.size(); ++i) {
diff --git a/engines/mads/user_interface.h b/engines/mads/user_interface.h
index 89044c9bf1..1366aa2c32 100644
--- a/engines/mads/user_interface.h
+++ b/engines/mads/user_interface.h
@@ -8,12 +8,12 @@
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
@@ -140,7 +140,6 @@ private:
 	bool _scrollFlag;
 	int _noSegmentsActive;
 	int _someSegmentsActive;
-	ScrollbarActive _scrollbarStrokeType;
 
 	/**
 	 * Loads the elements of the user interface
@@ -216,6 +215,7 @@ public:
 	bool _scrollbarQuickly;
 	uint32 _scrollbarMilliTime;
 	int _scrollbarElevator, _scrollbarOldElevator;
+	ScrollbarActive _scrollbarStrokeType;
 public:
 	/**
 	* Constructor
@@ -275,6 +275,11 @@ public:
 
 	void updateSelection(ScrCategory category, int newIndex, int *idx);
 
+	/**
+	* Updates the current top visible item of the scrollbar
+	*/
+	void changeScrollBar();
+
 	void scrollerChanged();
 
 	void scrollInventory();