2 files changed, 21 insertions, 4 deletions
diff --git a/engines/dreamweb/dreamweb.cpp b/engines/dreamweb/dreamweb.cpp
index ecab4337c1..b3bae38d24 100644
--- a/engines/dreamweb/dreamweb.cpp
+++ b/engines/dreamweb/dreamweb.cpp
@@ -66,6 +66,7 @@ DreamWebEngine::DreamWebEngine(OSystem *syst, const DreamWebGameDescription *gam
 	DebugMan.addDebugChannel(kDebugSaveLoad, "SaveLoad", "Track Save/Load Function");
 	_outSaveFile = 0;
 	_inSaveFile = 0;
+	_speed = 1;
 }
 
 DreamWebEngine::~DreamWebEngine() {
@@ -73,10 +74,6 @@ DreamWebEngine::~DreamWebEngine() {
 	delete _console;
 }
 
-// Let's see if it's a good idea to emulate VSYNC interrupts with a timer like
-// this. There's a chance we'll miss interrupts, which could be countered by
-// counting them instead of just flagging them, but we'll see...
-
 static void vSyncInterrupt(void *refCon) {
 	DreamWebEngine *vm = (DreamWebEngine *)refCon;
 
@@ -126,6 +123,15 @@ void DreamWebEngine::processEvents() {
 					keyHandled = true;
 				}
 				break;
+			case Common::KEYCODE_f:
+				if (event.kbd.flags & Common::KBD_CTRL) {
+					if (_speed != 10)
+						setSpeed(10);
+					else
+						setSpeed(1);
+					keyHandled = true;
+				}
+				break;
 			default:
 				break;
 			}
@@ -166,6 +172,13 @@ Common::Error DreamWebEngine::run() {
 	return Common::kNoError;
 }
 
+void DreamWebEngine::setSpeed(uint speed) {
+	debug(0, "setting speed %u", speed);
+	_speed = speed;
+	getTimerManager()->removeTimerProc(vSyncInterrupt);
+	getTimerManager()->installTimerProc(vSyncInterrupt, 1000000 / 70 / speed, this);
+}
+
 void DreamWebEngine::openFile(const Common::String &name) {
 	processEvents();
 	closeFile();
diff --git a/engines/dreamweb/dreamweb.h b/engines/dreamweb/dreamweb.h
index 33a88e0408..50d2779327 100644
--- a/engines/dreamweb/dreamweb.h
+++ b/engines/dreamweb/dreamweb.h
@@ -104,6 +104,8 @@ private:
 
 	void keyPressed(uint16 ascii);
 
+	void setSpeed(uint speed);
+
 	const DreamWebGameDescription	*_gameDescription;
 	Common::RandomSource			_rnd;
 
@@ -111,6 +113,8 @@ private:
 	Common::OutSaveFile *_outSaveFile;
 	Common::InSaveFile *_inSaveFile;
 
+	uint _speed;
+
 	dreamgen::Context _context;
 };