From 9dd6105ce62210509207dc61607543b7bcf5639d Mon Sep 17 00:00:00 2001
From: Tobias Gunkel
Date: Sat, 4 Feb 2012 18:34:08 +0100
Subject: SCUMM: replace "c64" with "v0" when it applies to both C64 and
 AppleII v0 versions

In addition some routines (e.g. the gfx ones) that are even used in v1.
---
 engines/scumm/actor.cpp            | 52 ++++++++++++++--------------
 engines/scumm/actor.h              |  6 ++--
 engines/scumm/boxes.cpp            | 26 +++++++-------
 engines/scumm/boxes.h              |  2 +-
 engines/scumm/charset-fontdata.cpp |  2 +-
 engines/scumm/costume.cpp          | 28 +++++++--------
 engines/scumm/costume.h            | 10 +++---
 engines/scumm/gfx.cpp              | 70 +++++++++++++++++++-------------------
 engines/scumm/gfx.h                | 12 +++----
 engines/scumm/object.cpp           |  4 +--
 engines/scumm/room.cpp             |  2 +-
 engines/scumm/script.cpp           |  4 +--
 engines/scumm/script_v0.cpp        | 24 ++++++-------
 engines/scumm/script_v2.cpp        |  2 +-
 engines/scumm/scumm.cpp            |  8 ++---
 engines/scumm/scumm_v0.h           |  6 ++--
 engines/scumm/verbs.cpp            |  4 +--
 17 files changed, 131 insertions(+), 131 deletions(-)

diff --git a/engines/scumm/actor.cpp b/engines/scumm/actor.cpp
index 59c4110348..ee655dec33 100644
--- a/engines/scumm/actor.cpp
+++ b/engines/scumm/actor.cpp
@@ -175,7 +175,7 @@ void Actor_v2::initActor(int mode) {
 	_talkStopFrame = 4;
 }
 
-void ActorC64::initActor(int mode) {
+void Actor_v0::initActor(int mode) {
 	Actor_v2::initActor(mode);
 
 	_costCommandNew = 0xFF;
@@ -251,7 +251,7 @@ void Actor::stopActorMoving() {
 
 	_moving = 0;
 	if(_vm->_game.version == 0)
-		((ActorC64 *)this)->setDirection(_facing);
+		((Actor_v0 *)this)->setDirection(_facing);
 }
 
 void Actor::setActorWalkSpeed(uint newSpeedX, uint newSpeedY) {
@@ -340,7 +340,7 @@ int Actor::actorWalkStep() {
 	int nextFacing;
 
 	if(_vm->_game.version == 0)
-		((ActorC64 *)this)->_animFrameRepeat = -1;
+		((Actor_v0 *)this)->_animFrameRepeat = -1;
 
 	_needRedraw = true;
 
@@ -584,7 +584,7 @@ void Actor_v2::walkActor() {
 		actorWalkStep();
 
 		if(_vm->_game.version == 0)
-			((ActorC64 *)this)->animateActor(newDirToOldDir(_facing));
+			((Actor_v0 *)this)->animateActor(newDirToOldDir(_facing));
 	} else {
 		if (_moving & MF_LAST_LEG) {
 			_moving = 0;
@@ -805,7 +805,7 @@ int Actor::remapDirection(int dir, bool is_walking) {
 			return 180;
 		}
 
-		// MM C64 stores flags as a part of the mask
+		// MM v0 stores flags as a part of the mask
 		if (_vm->_game.version == 0) {
 			mask = _vm->getMaskFromBox(_walkbox);
 			// face the wall if climbing/descending a ladder
@@ -893,7 +893,7 @@ void Actor::setDirection(int direction) {
 	_needRedraw = true;
 }
 
-void ActorC64::setDirection(int direction) {
+void Actor_v0::setDirection(int direction) {
 	int dir = newDirToOldDir( direction );
 	int res = 0;
 
@@ -1329,7 +1329,7 @@ void Actor::showActor() {
 	_vm->ensureResourceLoaded(rtCostume, _costume);
 
 	if (_vm->_game.version == 0) {
-		ActorC64 *a = ((ActorC64 *)this);
+		Actor_v0 *a = ((Actor_v0 *)this);
 		
 		a->_costCommand = a->_costCommandNew = 0xFF;
 
@@ -1556,7 +1556,7 @@ void ScummEngine::processActors() {
 
 		if (_game.version == 0) {
 			// 0x057B
-			ActorC64 *A = (ActorC64*) a;
+			Actor_v0 *A = (Actor_v0*) a;
 			if (A->_speaking & 1)
 				A->_speaking ^= 0xFE;
 
@@ -1869,7 +1869,7 @@ void Actor::startAnimActor(int f) {
 	}
 }
 
-void ActorC64::startAnimActor(int f) {
+void Actor_v0::startAnimActor(int f) {
 	if (f == _talkStartFrame) {
 		if (v0ActorTalkArray[_number] & 0x40)
 			return;
@@ -1952,7 +1952,7 @@ void Actor::animateCostume() {
 	}
 }
 
-void ActorC64::limbFrameCheck(int limb) {
+void Actor_v0::limbFrameCheck(int limb) {
 	if (_cost.frame[limb] == 0xFFFF)
 		return;
 
@@ -1965,20 +1965,20 @@ void ActorC64::limbFrameCheck(int limb) {
 	_limbFrameRepeat[limb] = _limbFrameRepeatNew[limb];
 
 	// 0x25C3
-	_cost.active[limb] = ((C64CostumeLoader*)_vm->_costumeLoader)->getFrame(this, limb);
+	_cost.active[limb] = ((V0CostumeLoader*)_vm->_costumeLoader)->getFrame(this, limb);
 	_cost.curpos[limb] = 0;
 
 	_needRedraw = true;
 }
 
-void ActorC64::animateCostume() {
+void Actor_v0::animateCostume() {
 	speakCheck();
 
 	if (_vm->_costumeLoader->increaseAnims(this))
 		_needRedraw = true;
 }
 
-void ActorC64::speakCheck() {
+void Actor_v0::speakCheck() {
 	if (v0ActorTalkArray[_number] & 0x80)
 		return;
 	
@@ -2146,7 +2146,7 @@ void ScummEngine::setTalkingActor(int i) {
 		VAR(VAR_TALK_ACTOR) = i;
 }
 
-static const int c64MMActorTalkColor[25] = {
+static const int v0MMActorTalkColor[25] = {
 	1, 7, 2, 14, 8, 15, 3, 7, 7, 15, 1, 13, 1, 4, 5, 5, 4, 3, 1, 5, 1, 1, 1, 1, 7
 };
 static const int v1MMActorTalkColor[25] = {
@@ -2158,7 +2158,7 @@ void ScummEngine::resetV1ActorTalkColor() {
 
 	for (i = 1; i < _numActors; i++) {
 		if (_game.version == 0) {
-			_actors[i]->_talkColor = c64MMActorTalkColor[i];
+			_actors[i]->_talkColor = v0MMActorTalkColor[i];
 		} else {
 			_actors[i]->_talkColor = v1MMActorTalkColor[i];
 		}
@@ -2777,7 +2777,7 @@ void ScummEngine_v71he::queueAuxEntry(int actorNum, int subIndex) {
 }
 #endif
 
-void ActorC64::animateActor(int anim) {
+void Actor_v0::animateActor(int anim) {
 	int dir = -1;
 
 	switch (anim) {
@@ -2822,19 +2822,19 @@ void ActorC64::animateActor(int anim) {
 	}
 }
 
-void ActorC64::saveLoadWithSerializer(Serializer *ser) {
+void Actor_v0::saveLoadWithSerializer(Serializer *ser) {
 	Actor::saveLoadWithSerializer(ser);
 
 	static const SaveLoadEntry actorEntries[] = {
-		MKLINE(ActorC64, _costCommand, sleByte, VER(84)),
-		MK_OBSOLETE(ActorC64, _costFrame, sleByte, VER(84), VER(89)),
-		MKLINE(ActorC64, _miscflags, sleByte, VER(84)),
-		MKLINE(ActorC64, _speaking, sleByte, VER(84)),
-		MK_OBSOLETE(ActorC64, _speakingPrev, sleByte, VER(84), VER(89)),
-		MK_OBSOLETE(ActorC64, _limbTemp, sleByte, VER(89), VER(89)),
-		MKLINE(ActorC64, _animFrameRepeat, sleByte, VER(89)),
-		MKARRAY(ActorC64, _limbFrameRepeatNew[0], sleInt8, 8, VER(89)),
-		MKARRAY(ActorC64, _limbFrameRepeat[0], sleInt8, 8, VER(90)),
+		MKLINE(Actor_v0, _costCommand, sleByte, VER(84)),
+		MK_OBSOLETE(Actor_v0, _costFrame, sleByte, VER(84), VER(89)),
+		MKLINE(Actor_v0, _miscflags, sleByte, VER(84)),
+		MKLINE(Actor_v0, _speaking, sleByte, VER(84)),
+		MK_OBSOLETE(Actor_v0, _speakingPrev, sleByte, VER(84), VER(89)),
+		MK_OBSOLETE(Actor_v0, _limbTemp, sleByte, VER(89), VER(89)),
+		MKLINE(Actor_v0, _animFrameRepeat, sleByte, VER(89)),
+		MKARRAY(Actor_v0, _limbFrameRepeatNew[0], sleInt8, 8, VER(89)),
+		MKARRAY(Actor_v0, _limbFrameRepeat[0], sleInt8, 8, VER(90)),
 		MKEND()
 	};
 
diff --git a/engines/scumm/actor.h b/engines/scumm/actor.h
index 9e4955c079..69cfbfe398 100644
--- a/engines/scumm/actor.h
+++ b/engines/scumm/actor.h
@@ -335,7 +335,7 @@ protected:
 	virtual void prepareDrawActorCostume(BaseCostumeRenderer *bcr);
 };
 
-enum ActorC64MiscFlags {
+enum ActorV0MiscFlags {
 	kActorMiscFlagStrong    = 0x01, // Kid is strong (Hunk-O-Matic used)
 	kActorMiscFlagGTFriend  = 0x02, // Kid is green tentacle's friend (recording contract)
 	kActorMiscFlagWatchedTV = 0x04, // Kid knows publisher's address (watched TV)
@@ -346,7 +346,7 @@ enum ActorC64MiscFlags {
 	kActorMiscFlagHide      = 0x80  // Kid is invisible (dead or in radiation suit)
 };
 
-class ActorC64 : public Actor_v2 {
+class Actor_v0 : public Actor_v2 {
 public:
 	byte _costCommandNew;
 	byte _costCommand;
@@ -360,7 +360,7 @@ public:
 	bool _limb_flipped[8];
 
 public:
-	ActorC64(ScummEngine *scumm, int id) : Actor_v2(scumm, id) {}
+	Actor_v0(ScummEngine *scumm, int id) : Actor_v2(scumm, id) {}
 
 	virtual void initActor(int mode);
 	virtual void animateActor(int anim);
diff --git a/engines/scumm/boxes.cpp b/engines/scumm/boxes.cpp
index 64d4d7422c..f6d2a18f38 100644
--- a/engines/scumm/boxes.cpp
+++ b/engines/scumm/boxes.cpp
@@ -42,7 +42,7 @@ struct Box {				/* Internal walkbox file format */
 			byte y1;
 			byte y2;
 			byte mask;
-		} c64;
+		} v0;
 
 		struct {
 			byte uy;
@@ -181,7 +181,7 @@ byte ScummEngine::getMaskFromBox(int box) {
 	if (_game.version == 8)
 		return (byte) FROM_LE_32(ptr->v8.mask);
 	else if (_game.version == 0)
-		return ptr->c64.mask;
+		return ptr->v0.mask;
 	else if (_game.version <= 2)
 		return ptr->v2.mask;
 	else
@@ -479,7 +479,7 @@ Box *ScummEngine::getBoxBaseAddr(int box) {
 
 	assertRange(0, box, ptr[0] - 1, "box");
 	if (_game.version == 0)
-		return (Box *)(ptr + box * SIZEOF_BOX_C64 + 1);
+		return (Box *)(ptr + box * SIZEOF_BOX_V0 + 1);
 	else if (_game.version <= 2)
 		return (Box *)(ptr + box * SIZEOF_BOX_V2 + 1);
 	else if (_game.version == 3)
@@ -602,19 +602,19 @@ BoxCoords ScummEngine::getBoxCoordinates(int boxnum) {
 			SWAP(box->ll, box->lr);
 		}
 	} else if (_game.version == 0) {
-		box->ul.x = bp->c64.x1;
-		box->ul.y = bp->c64.y1;
-		box->ur.x = bp->c64.x2;
-		box->ur.y = bp->c64.y1;
+		box->ul.x = bp->v0.x1;
+		box->ul.y = bp->v0.y1;
+		box->ur.x = bp->v0.x2;
+		box->ur.y = bp->v0.y1;
 
-		box->ll.x = bp->c64.x1;
-		box->ll.y = bp->c64.y2;
-		box->lr.x = bp->c64.x2;
-		box->lr.y = bp->c64.y2;
+		box->ll.x = bp->v0.x1;
+		box->ll.y = bp->v0.y2;
+		box->lr.x = bp->v0.x2;
+		box->lr.y = bp->v0.y2;
 
-		if ((bp->c64.mask & 0x88) == 0x88) {
+		if ((bp->v0.mask & 0x88) == 0x88) {
 			// walkbox for (right/left) corner
-			if (bp->c64.mask & 0x04)
+			if (bp->v0.mask & 0x04)
 				box->ur = box->ul;
 			else
 				box->ul = box->ur;
diff --git a/engines/scumm/boxes.h b/engines/scumm/boxes.h
index e554aea1b5..345d6a9d36 100644
--- a/engines/scumm/boxes.h
+++ b/engines/scumm/boxes.h
@@ -27,7 +27,7 @@
 
 namespace Scumm {
 
-#define SIZEOF_BOX_C64 5
+#define SIZEOF_BOX_V0 5
 #define SIZEOF_BOX_V2 8
 #define SIZEOF_BOX_V3 18
 #define SIZEOF_BOX 20
diff --git a/engines/scumm/charset-fontdata.cpp b/engines/scumm/charset-fontdata.cpp
index 29465584f8..16193f5503 100644
--- a/engines/scumm/charset-fontdata.cpp
+++ b/engines/scumm/charset-fontdata.cpp
@@ -420,7 +420,7 @@ static const byte germanCharsetDataV2[] = {
 	126, 10,
 };
 
-// German C64 MM.
+// German v0 MM.
 static const byte germanCharsetDataV0[] = {
 	36, 11,
 	42, 12,
diff --git a/engines/scumm/costume.cpp b/engines/scumm/costume.cpp
index 9fe5296546..da6c1a2ae4 100644
--- a/engines/scumm/costume.cpp
+++ b/engines/scumm/costume.cpp
@@ -1163,7 +1163,7 @@ byte NESCostumeLoader::increaseAnim(Actor *a, int slot) {
 	return (a->_cost.curpos[slot] != oldframe);
 }
 
-static const byte actorColorsMMC64[25] = {
+static const byte actorV0Colors[25] = {
 	0, 7, 2, 6, 9, 1, 3, 7, 7, 1, 1, 9, 1, 4, 5, 5, 4, 1, 0, 5, 4, 2, 2, 7, 7
 };
 
@@ -1178,8 +1178,8 @@ static const byte actorColorsMMC64[25] = {
 			dst[p + 1] = palette[pcolor]; \
 	}
 
-byte C64CostumeRenderer::drawLimb(const Actor *a, int limb) {
-	const ActorC64* A = (const ActorC64 *)a;
+byte V0CostumeRenderer::drawLimb(const Actor *a, int limb) {
+	const Actor_v0* A = (const Actor_v0 *)a;
 
 	if (limb >= 8)
 		return 0;
@@ -1207,7 +1207,7 @@ byte C64CostumeRenderer::drawLimb(const Actor *a, int limb) {
 	byte palette[4] = { 0, 0, 0, 0 };
 	if (_vm->getCurrentLights() & LIGHTMODE_actor_use_colors) {
 		palette[1] = 10;
-		palette[2] = actorColorsMMC64[_actorID];
+		palette[2] = actorV0Colors[_actorID];
 	} else {
 		palette[2] = 11;
 		palette[3] = 11;
@@ -1261,11 +1261,11 @@ byte C64CostumeRenderer::drawLimb(const Actor *a, int limb) {
 #undef LINE
 #undef MASK_AT
 
-void C64CostumeRenderer::setCostume(int costume, int shadow) {
+void V0CostumeRenderer::setCostume(int costume, int shadow) {
 	_loaded.loadCostume(costume);
 }
 
-void C64CostumeLoader::loadCostume(int id) {
+void V0CostumeLoader::loadCostume(int id) {
 	const byte *ptr = _vm->getResourceAddress(rtCostume, id);
 
 	_id = id;
@@ -1275,15 +1275,15 @@ void C64CostumeLoader::loadCostume(int id) {
 	_numColors = 0;
 	_numAnim = 0;
 	_mirror = 0;
-	_palette = &actorColorsMMC64[id];
+	_palette = &actorV0Colors[id];
 
 	_frameOffsets = _baseptr + READ_LE_UINT16(ptr + 5);
 	_dataOffsets = ptr;
 	_animCmds = _baseptr + READ_LE_UINT16(ptr + 7);
 }
 
-void C64CostumeLoader::costumeDecodeData(Actor *a, int frame, uint usemask) {
-	ActorC64 *A = (ActorC64 *)a;
+void V0CostumeLoader::costumeDecodeData(Actor *a, int frame, uint usemask) {
+	Actor_v0 *A = (Actor_v0 *)a;
 
 	if(!a->_costume)
 		return;
@@ -1337,15 +1337,15 @@ void C64CostumeLoader::costumeDecodeData(Actor *a, int frame, uint usemask) {
 	}
 }
 
-byte C64CostumeLoader::getFrame(Actor *a, int limb) {
+byte V0CostumeLoader::getFrame(Actor *a, int limb) {
 	loadCostume(a->_costume);
 
 	// Get the frame number for the current limb / Command
 	return _frameOffsets[_frameOffsets[limb] + a->_cost.start[limb]];
 }
 
-byte C64CostumeLoader::increaseAnims(Actor *a) {
-	ActorC64 *A = (ActorC64 *)a;
+byte V0CostumeLoader::increaseAnims(Actor *a) {
+	Actor_v0 *A = (Actor_v0 *)a;
 	int i;
 	byte r = 0;
 
@@ -1356,8 +1356,8 @@ byte C64CostumeLoader::increaseAnims(Actor *a) {
 	return r;
 }
 
-byte C64CostumeLoader::increaseAnim(Actor *a, int limb) {
-	ActorC64 *A = (ActorC64 *)a;
+byte V0CostumeLoader::increaseAnim(Actor *a, int limb) {
+	Actor_v0 *A = (Actor_v0 *)a;
 	const uint16 limbPrevious = a->_cost.curpos[limb]++;
 
 	loadCostume(a->_costume);
diff --git a/engines/scumm/costume.h b/engines/scumm/costume.h
index 16317cb1c9..4a21692ddb 100644
--- a/engines/scumm/costume.h
+++ b/engines/scumm/costume.h
@@ -67,9 +67,9 @@ protected:
 	byte increaseAnim(Actor *a, int slot);
 };
 
-class C64CostumeLoader : public ClassicCostumeLoader {
+class V0CostumeLoader : public ClassicCostumeLoader {
 public:
-	C64CostumeLoader(ScummEngine *vm) : ClassicCostumeLoader(vm) {}
+	V0CostumeLoader(ScummEngine *vm) : ClassicCostumeLoader(vm) {}
 	void loadCostume(int id);
 	void costumeDecodeData(Actor *a, int frame, uint usemask);
 	byte increaseAnims(Actor *a);
@@ -131,12 +131,12 @@ public:
 };
 #endif
 
-class C64CostumeRenderer : public BaseCostumeRenderer {
+class V0CostumeRenderer : public BaseCostumeRenderer {
 protected:
-	C64CostumeLoader _loaded;
+	V0CostumeLoader _loaded;
 
 public:
-	C64CostumeRenderer(ScummEngine *vm) : BaseCostumeRenderer(vm), _loaded(vm) {}
+	V0CostumeRenderer(ScummEngine *vm) : BaseCostumeRenderer(vm), _loaded(vm) {}
 
 	void setPalette(uint16 *palette) {}
 	void setFacing(const Actor *a) {}
diff --git a/engines/scumm/gfx.cpp b/engines/scumm/gfx.cpp
index a6b8377d2f..bc6cfc761e 100644
--- a/engines/scumm/gfx.cpp
+++ b/engines/scumm/gfx.cpp
@@ -240,7 +240,7 @@ GdiPCEngine::~GdiPCEngine() {
 #endif
 
 GdiV1::GdiV1(ScummEngine *vm) : Gdi(vm) {
-	memset(&_C64, 0, sizeof(_C64));
+	memset(&_V1, 0, sizeof(_V1));
 }
 
 GdiV2::GdiV2(ScummEngine *vm) : Gdi(vm) {
@@ -297,17 +297,17 @@ void GdiPCEngine::loadTiles(byte *roomptr) {
 
 void GdiV1::roomChanged(byte *roomptr) {
 	for (int i = 0; i < 4; i++){
-		_C64.colors[i] = roomptr[6 + i];
+		_V1.colors[i] = roomptr[6 + i];
 	}
-	decodeC64Gfx(roomptr + READ_LE_UINT16(roomptr + 10), _C64.charMap, 2048);
-	decodeC64Gfx(roomptr + READ_LE_UINT16(roomptr + 12), _C64.picMap, roomptr[4] * roomptr[5]);
-	decodeC64Gfx(roomptr + READ_LE_UINT16(roomptr + 14), _C64.colorMap, roomptr[4] * roomptr[5]);
-	decodeC64Gfx(roomptr + READ_LE_UINT16(roomptr + 16), _C64.maskMap, roomptr[4] * roomptr[5]);
+	decodeV1Gfx(roomptr + READ_LE_UINT16(roomptr + 10), _V1.charMap, 2048);
+	decodeV1Gfx(roomptr + READ_LE_UINT16(roomptr + 12), _V1.picMap, roomptr[4] * roomptr[5]);
+	decodeV1Gfx(roomptr + READ_LE_UINT16(roomptr + 14), _V1.colorMap, roomptr[4] * roomptr[5]);
+	decodeV1Gfx(roomptr + READ_LE_UINT16(roomptr + 16), _V1.maskMap, roomptr[4] * roomptr[5]);
 
 	// Read the mask data. The 16bit length value seems to always be 8 too big.
 	// See bug #1837375 for details on this.
 	const byte *maskPtr = roomptr + READ_LE_UINT16(roomptr + 18);
-	decodeC64Gfx(maskPtr + 2, _C64.maskChar, READ_LE_UINT16(maskPtr) - 8);
+	decodeV1Gfx(maskPtr + 2, _V1.maskChar, READ_LE_UINT16(maskPtr) - 8);
 	_objectMode = true;
 }
 
@@ -1541,7 +1541,7 @@ void GdiV1::prepareDrawBitmap(const byte *ptr, VirtScreen *vs,
 					const int x, const int y, const int width, const int height,
 	                int stripnr, int numstrip) {
 	if (_objectMode) {
-		decodeC64Gfx(ptr, _C64.objectMap, (width / 8) * (height / 8) * 3);
+		decodeV1Gfx(ptr, _V1.objectMap, (width / 8) * (height / 8) * 3);
 	}
 }
 
@@ -1928,9 +1928,9 @@ bool GdiPCEngine::drawStrip(byte *dstPtr, VirtScreen *vs, int x, int y, const in
 bool GdiV1::drawStrip(byte *dstPtr, VirtScreen *vs, int x, int y, const int width, const int height,
 					int stripnr, const byte *smap_ptr) {
 	if (_objectMode)
-		drawStripC64Object(dstPtr, vs->pitch, stripnr, width, height);
+		drawStripV1Object(dstPtr, vs->pitch, stripnr, width, height);
 	else
-		drawStripC64Background(dstPtr, vs->pitch, stripnr, height);
+		drawStripV1Background(dstPtr, vs->pitch, stripnr, height);
 
 	return false;
 }
@@ -2071,7 +2071,7 @@ void GdiV1::decodeMask(int x, int y, const int width, const int height,
 	                int stripnr, int numzbuf, const byte *zplane_list[9],
 	                bool transpStrip, byte flag) {
 	byte *mask_ptr = getMaskBuffer(x, y, 1);
-	drawStripC64Mask(mask_ptr, stripnr, width, height);
+	drawStripV1Mask(mask_ptr, stripnr, width, height);
 }
 
 void GdiV2::decodeMask(int x, int y, const int width, const int height,
@@ -3089,67 +3089,67 @@ void GdiPCEngine::drawStripPCEngineMask(byte *dst, int stripnr, int top, int hei
 }
 #endif
 
-void GdiV1::drawStripC64Background(byte *dst, int dstPitch, int stripnr, int height) {
+void GdiV1::drawStripV1Background(byte *dst, int dstPitch, int stripnr, int height) {
 	int charIdx;
 	height /= 8;
 	for (int y = 0; y < height; y++) {
-		_C64.colors[3] = (_C64.colorMap[y + stripnr * height] & 7);
+		_V1.colors[3] = (_V1.colorMap[y + stripnr * height] & 7);
 		// Check for room color change in V1 zak
 		if (_roomPalette[0] == 255) {
-			_C64.colors[2] = _roomPalette[2];
-			_C64.colors[1] = _roomPalette[1];
+			_V1.colors[2] = _roomPalette[2];
+			_V1.colors[1] = _roomPalette[1];
 		}
 
-		charIdx = _C64.picMap[y + stripnr * height] * 8;
+		charIdx = _V1.picMap[y + stripnr * height] * 8;
 		for (int i = 0; i < 8; i++) {
-			byte c = _C64.charMap[charIdx + i];
-			dst[0] = dst[1] = _C64.colors[(c >> 6) & 3];
-			dst[2] = dst[3] = _C64.colors[(c >> 4) & 3];
-			dst[4] = dst[5] = _C64.colors[(c >> 2) & 3];
-			dst[6] = dst[7] = _C64.colors[(c >> 0) & 3];
+			byte c = _V1.charMap[charIdx + i];
+			dst[0] = dst[1] = _V1.colors[(c >> 6) & 3];
+			dst[2] = dst[3] = _V1.colors[(c >> 4) & 3];
+			dst[4] = dst[5] = _V1.colors[(c >> 2) & 3];
+			dst[6] = dst[7] = _V1.colors[(c >> 0) & 3];
 			dst += dstPitch;
 		}
 	}
 }
 
-void GdiV1::drawStripC64Object(byte *dst, int dstPitch, int stripnr, int width, int height) {
+void GdiV1::drawStripV1Object(byte *dst, int dstPitch, int stripnr, int width, int height) {
 	int charIdx;
 	height /= 8;
 	width /= 8;
 	for (int y = 0; y < height; y++) {
-		_C64.colors[3] = (_C64.objectMap[(y + height) * width + stripnr] & 7);
-		charIdx = _C64.objectMap[y * width + stripnr] * 8;
+		_V1.colors[3] = (_V1.objectMap[(y + height) * width + stripnr] & 7);
+		charIdx = _V1.objectMap[y * width + stripnr] * 8;
 		for (int i = 0; i < 8; i++) {
-			byte c = _C64.charMap[charIdx + i];
-			dst[0] = dst[1] = _C64.colors[(c >> 6) & 3];
-			dst[2] = dst[3] = _C64.colors[(c >> 4) & 3];
-			dst[4] = dst[5] = _C64.colors[(c >> 2) & 3];
-			dst[6] = dst[7] = _C64.colors[(c >> 0) & 3];
+			byte c = _V1.charMap[charIdx + i];
+			dst[0] = dst[1] = _V1.colors[(c >> 6) & 3];
+			dst[2] = dst[3] = _V1.colors[(c >> 4) & 3];
+			dst[4] = dst[5] = _V1.colors[(c >> 2) & 3];
+			dst[6] = dst[7] = _V1.colors[(c >> 0) & 3];
 			dst += dstPitch;
 		}
 	}
 }
 
-void GdiV1::drawStripC64Mask(byte *dst, int stripnr, int width, int height) const {
+void GdiV1::drawStripV1Mask(byte *dst, int stripnr, int width, int height) const {
 	int maskIdx;
 	height /= 8;
 	width /= 8;
 	for (int y = 0; y < height; y++) {
 		if (_objectMode)
-			maskIdx = _C64.objectMap[(y + 2 * height) * width + stripnr] * 8;
+			maskIdx = _V1.objectMap[(y + 2 * height) * width + stripnr] * 8;
 		else
-			maskIdx = _C64.maskMap[y + stripnr * height] * 8;
+			maskIdx = _V1.maskMap[y + stripnr * height] * 8;
 		for (int i = 0; i < 8; i++) {
-			byte c = _C64.maskChar[maskIdx + i];
+			byte c = _V1.maskChar[maskIdx + i];
 
-			// V1/C64 masks are inverted compared to what ScummVM expects
+			// V1/V0 masks are inverted compared to what ScummVM expects
 			*dst = c ^ 0xFF;
 			dst += _numStrips;
 		}
 	}
 }
 
-void GdiV1::decodeC64Gfx(const byte *src, byte *dst, int size) const {
+void GdiV1::decodeV1Gfx(const byte *src, byte *dst, int size) const {
 	int x, z;
 	byte color, run, common[4];
 
diff --git a/engines/scumm/gfx.h b/engines/scumm/gfx.h
index 4b44ddc376..0d81698c50 100644
--- a/engines/scumm/gfx.h
+++ b/engines/scumm/gfx.h
@@ -375,19 +375,19 @@ public:
 
 class GdiV1 : public Gdi {
 protected:
-	/** Render settings which are specific to the C64 graphic decoders. */
+	/** Render settings which are specific to the v0/v1 graphic decoders. */
 	struct {
 		byte colors[4];
 		byte charMap[2048], objectMap[2048], picMap[4096], colorMap[4096];
 		byte maskMap[4096], maskChar[4096];
-	} _C64;
+	} _V1;
 
 protected:
-	void decodeC64Gfx(const byte *src, byte *dst, int size) const;
+	void decodeV1Gfx(const byte *src, byte *dst, int size) const;
 
-	void drawStripC64Object(byte *dst, int dstPitch, int stripnr, int width, int height);
-	void drawStripC64Background(byte *dst, int dstPitch, int stripnr, int height);
-	void drawStripC64Mask(byte *dst, int stripnr, int width, int height) const;
+	void drawStripV1Object(byte *dst, int dstPitch, int stripnr, int width, int height);
+	void drawStripV1Background(byte *dst, int dstPitch, int stripnr, int height);
+	void drawStripV1Mask(byte *dst, int stripnr, int width, int height) const;
 
 	virtual bool drawStrip(byte *dstPtr, VirtScreen *vs,
 					int x, int y, const int width, const int height,
diff --git a/engines/scumm/object.cpp b/engines/scumm/object.cpp
index 4ef8707714..e38552c8f3 100644
--- a/engines/scumm/object.cpp
+++ b/engines/scumm/object.cpp
@@ -327,7 +327,7 @@ int ScummEngine::getObjectIndex(int object) const {
 int ScummEngine::whereIsObject(int object) const {
 	int i;
 
-	// Note: in MMC64 bg objects are greater _numGlobalObjects
+	// Note: in MM v0 bg objects are greater _numGlobalObjects
 	if (_game.version != 0 && object >= _numGlobalObjects)
 		return WIO_NOT_FOUND;
 
@@ -808,7 +808,7 @@ void ScummEngine_v3old::resetRoomObjects() {
 	else
 		ptr = room + 29;
 
-	// Default pointer of objects without image, in C64 verison of Maniac Mansion
+	// Default pointer of objects without image, in v0 version of Maniac Mansion
 	int defaultPtr = READ_LE_UINT16(ptr + 2 * _numObjectsInRoom);
 
 	for (i = 0; i < _numObjectsInRoom; i++) {
diff --git a/engines/scumm/room.cpp b/engines/scumm/room.cpp
index 63cbef8944..9ee8fb93a9 100644
--- a/engines/scumm/room.cpp
+++ b/engines/scumm/room.cpp
@@ -747,7 +747,7 @@ void ScummEngine_v3old::resetRoomSubBlocks() {
 			}
 
 			ptr = roomptr + *(roomptr + 0x15);
-			size = numOfBoxes * SIZEOF_BOX_C64 + 1;
+			size = numOfBoxes * SIZEOF_BOX_V0 + 1;
 
 			_res->createResource(rtMatrix, 2, size + 1);
 			getResourceAddress(rtMatrix, 2)[0] = numOfBoxes;
diff --git a/engines/scumm/script.cpp b/engines/scumm/script.cpp
index 3bd70d0e24..39420ee974 100644
--- a/engines/scumm/script.cpp
+++ b/engines/scumm/script.cpp
@@ -1132,7 +1132,7 @@ void ScummEngine::checkAndRunSentenceScript() {
 
 void ScummEngine_v0::walkToActorOrObject(int object) {
 	int x, y, dir;
-	ActorC64 *a = (ActorC64 *)derefActor(VAR(VAR_EGO), "walkToObject");
+	Actor_v0 *a = (Actor_v0 *)derefActor(VAR(VAR_EGO), "walkToObject");
 
 	_walkToObject = object;
 	_walkToObjectState = kWalkToObjectStateWalk;
@@ -1162,7 +1162,7 @@ bool ScummEngine_v0::checkPendingWalkAction() {
 		return false;
 
 	int actor = VAR(VAR_EGO);
-	ActorC64 *a = (ActorC64 *)derefActor(actor, "checkPendingWalkAction");
+	Actor_v0 *a = (Actor_v0 *)derefActor(actor, "checkPendingWalkAction");
 
 	// wait until walking or turning action is finished
 	if (a->_moving)
diff --git a/engines/scumm/script_v0.cpp b/engines/scumm/script_v0.cpp
index 07be151ce2..45901186cd 100644
--- a/engines/scumm/script_v0.cpp
+++ b/engines/scumm/script_v0.cpp
@@ -51,7 +51,7 @@ void ScummEngine_v0::setupOpcodes() {
 	OPCODE(0x0b, o_setActorBitVar);
 	/* 0C */
 	OPCODE(0x0c, o_loadSound);
-	OPCODE(0x0d, o_printEgo_c64);
+	OPCODE(0x0d, o_printEgo);
 	OPCODE(0x0e, o_putActorAtObject);
 	OPCODE(0x0f, o2_clearState02);
 	/* 10 */
@@ -60,7 +60,7 @@ void ScummEngine_v0::setupOpcodes() {
 	OPCODE(0x12, o2_panCameraTo);
 	OPCODE(0x13, o_lockCostume);
 	/* 14 */
-	OPCODE(0x14, o_print_c64);
+	OPCODE(0x14, o_print);
 	OPCODE(0x15, o5_walkActorToActor);
 	OPCODE(0x16, o5_getRandomNr);
 	OPCODE(0x17, o2_clearState08);
@@ -92,7 +92,7 @@ void ScummEngine_v0::setupOpcodes() {
 	/* 2C */
 	OPCODE(0x2c, o_stopCurrentScript);
 	OPCODE(0x2d, o2_putActorInRoom);
-	OPCODE(0x2e, o_print_c64);
+	OPCODE(0x2e, o_print);
 	OPCODE(0x2f, o2_ifState08);
 	/* 30 */
 	OPCODE(0x30, o_loadCostume);
@@ -181,7 +181,7 @@ void ScummEngine_v0::setupOpcodes() {
 	OPCODE(0x73, o_getObjectOwner);
 	/* 74 */
 	OPCODE(0x74, o5_getDist);
-	OPCODE(0x75, o_printEgo_c64);
+	OPCODE(0x75, o_printEgo);
 	OPCODE(0x76, o_walkActorToObject);
 	OPCODE(0x77, o2_clearState04);
 	/* 78 */
@@ -252,7 +252,7 @@ void ScummEngine_v0::setupOpcodes() {
 	/* AC */
 	OPCODE(0xac, o_stopCurrentScript);
 	OPCODE(0xad, o2_putActorInRoom);
-	OPCODE(0xae, o_print_c64);
+	OPCODE(0xae, o_print);
 	OPCODE(0xaf, o2_ifNotState08);
 	/* B0 */
 	OPCODE(0xb0, o_loadCostume);
@@ -575,13 +575,13 @@ void ScummEngine_v0::o_loadRoom() {
 }
 
 void ScummEngine_v0::o_loadRoomWithEgo() {
-	ActorC64 *a;
+	Actor_v0 *a;
 	int obj, room, x, y, dir;
 
 	obj = fetchScriptByte();
 	room = fetchScriptByte();
 
-	a = (ActorC64 *)derefActor(VAR(VAR_EGO), "o_loadRoomWithEgo");
+	a = (Actor_v0 *)derefActor(VAR(VAR_EGO), "o_loadRoomWithEgo");
 
 	//0x634F
 	if (a->_miscflags & kActorMiscFlagFreeze) {
@@ -685,7 +685,7 @@ void ScummEngine_v0::o_animateActor() {
 	int anim = getVarOrDirectByte(PARAM_2);
 	int8 repeat = (int8) fetchScriptByte();
 
-	ActorC64 *a = (ActorC64*) derefActor(act, "o_animateActor");
+	Actor_v0 *a = (Actor_v0*) derefActor(act, "o_animateActor");
 
 	a->_animFrameRepeat = repeat;
 	
@@ -789,7 +789,7 @@ void ScummEngine_v0::o_setActorBitVar() {
 	if (act >= _numActors)
 		return;
 
-	ActorC64 *a = (ActorC64 *)derefActor(act, "o_setActorBitVar");
+	Actor_v0 *a = (Actor_v0 *)derefActor(act, "o_setActorBitVar");
 
 	if (mod)
 		a->_miscflags |= mask;
@@ -814,7 +814,7 @@ void ScummEngine_v0::o_getActorBitVar() {
 	byte act = getVarOrDirectByte(PARAM_1);
 	byte mask = getVarOrDirectByte(PARAM_2);
 
-	ActorC64 *a = (ActorC64 *)derefActor(act, "o_getActorBitVar");
+	Actor_v0 *a = (Actor_v0 *)derefActor(act, "o_getActorBitVar");
 	setResult((a->_miscflags & mask) ? 1 : 0);
 
 	debug(0, "o_getActorBitVar(%d, %d, %d)", act, mask, (a->_miscflags & mask));
@@ -843,12 +843,12 @@ void ScummEngine_v0::o_getBitVar() {
 	debug(0, "o_getBitVar (%d, %d %d)", flag, mask, _bitVars[flag] & (1 << mask));
 }
 
-void ScummEngine_v0::o_print_c64() {
+void ScummEngine_v0::o_print() {
 	_actorToPrintStrFor = fetchScriptByte();
 	decodeParseString();
 }
 
-void ScummEngine_v0::o_printEgo_c64() {
+void ScummEngine_v0::o_printEgo() {
 	_actorToPrintStrFor = (byte)VAR(VAR_EGO);
 	decodeParseString();
 }
diff --git a/engines/scumm/script_v2.cpp b/engines/scumm/script_v2.cpp
index 1b8dc965e0..9c8742cffd 100644
--- a/engines/scumm/script_v2.cpp
+++ b/engines/scumm/script_v2.cpp
@@ -401,7 +401,7 @@ void ScummEngine_v2::decodeParseString() {
 	_string[textSlot].overhead = false;
 
 	if (_game.id == GID_MANIAC && _actorToPrintStrFor == 0xFF) {
-		if (_game.platform == Common::kPlatformC64) {
+		if (_game.version == 0) {
 			_string[textSlot].color = 14;
 		} else if (_game.features & GF_DEMO) {
 			_string[textSlot].color = (_game.version == 2) ? 15 : 1;
diff --git a/engines/scumm/scumm.cpp b/engines/scumm/scumm.cpp
index d8b02d0881..fc46f88df4 100644
--- a/engines/scumm/scumm.cpp
+++ b/engines/scumm/scumm.cpp
@@ -1025,7 +1025,7 @@ Common::Error ScummEngine::init() {
 
 	// The	kGenUnchanged method is only used for 'container files', i.e. files
 	// that contain the real game files bundled together in an archive format.
-	// This is the case of the NES, C64 and Mac versions of certain games.
+	// This is the case of the NES, v0 and Mac versions of certain games.
 	// Note: All of these can also occur in 'extracted' form, in which case they
 	// are treated like any other SCUMM game.
 	if (_filenamePattern.genMethod == kGenUnchanged) {
@@ -1379,8 +1379,8 @@ void ScummEngine::setupCostumeRenderer() {
 		_costumeRenderer = new AkosRenderer(this);
 		_costumeLoader = new AkosCostumeLoader(this);
 	} else if (_game.version == 0) {
-		_costumeRenderer = new C64CostumeRenderer(this);
-		_costumeLoader = new C64CostumeLoader(this);
+		_costumeRenderer = new V0CostumeRenderer(this);
+		_costumeLoader = new V0CostumeLoader(this);
 	} else if (_game.platform == Common::kPlatformNES) {
 		_costumeRenderer = new NESCostumeRenderer(this);
 		_costumeLoader = new NESCostumeLoader(this);
@@ -1459,7 +1459,7 @@ void ScummEngine::resetScumm() {
 	_sortedActors = new Actor * [_numActors];
 	for (i = 0; i < _numActors; ++i) {
 		if (_game.version == 0)
-			_actors[i] = new ActorC64(this, i);
+			_actors[i] = new Actor_v0(this, i);
 		else if (_game.version <= 2)
 			_actors[i] = new Actor_v2(this, i);
 		else if (_game.version == 3)
diff --git a/engines/scumm/scumm_v0.h b/engines/scumm/scumm_v0.h
index 982b62d645..1341b9ed15 100644
--- a/engines/scumm/scumm_v0.h
+++ b/engines/scumm/scumm_v0.h
@@ -118,7 +118,7 @@ protected:
 
 	virtual int getCurrentLights() const;
 
-	/* Version C64 script opcodes */
+	/* Version 0 script opcodes */
 	void o_stopCurrentScript();
 	void o_walkActorToObject();
 	void o_loadSound();
@@ -150,8 +150,8 @@ protected:
 	void o_ifEqualActiveObject2();
 	void o_ifNotEqualActiveObject2();
 	void o_getClosestActor();
-	void o_printEgo_c64();
-	void o_print_c64();
+	void o_printEgo();
+	void o_print();
 	void o_unlockRoom();
 	void o_unlockSound();
 	void o_cutscene();
diff --git a/engines/scumm/verbs.cpp b/engines/scumm/verbs.cpp
index 88a1283067..567ca31485 100644
--- a/engines/scumm/verbs.cpp
+++ b/engines/scumm/verbs.cpp
@@ -705,7 +705,7 @@ void ScummEngine_v0::verbExec() {
 		return;
 	}
 
-	ActorC64 *a = (ActorC64 *)derefActor(VAR(VAR_EGO), "verbExec");
+	Actor_v0 *a = (Actor_v0 *)derefActor(VAR(VAR_EGO), "verbExec");
 	int x = _virtualMouse.x / V12_X_MULTIPLIER;
 	int y = _virtualMouse.y / V12_Y_MULTIPLIER;
 	//actorSetPosInBox();
@@ -730,7 +730,7 @@ bool ScummEngine_v0::checkSentenceComplete() {
 }
 
 void ScummEngine_v0::checkExecVerbs() {
-	ActorC64 *a = (ActorC64 *)derefActor(VAR(VAR_EGO), "checkExecVerbs");
+	Actor_v0 *a = (Actor_v0 *)derefActor(VAR(VAR_EGO), "checkExecVerbs");
 	VirtScreen *zone = findVirtScreen(_mouse.y);
 
 	bool execute = false;
-- 
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