Merge pull request #153 from fingolfin/dreamweb-cleanup

Dreamweb: Port rollEm() to C++, remove dead code

devtools/tasmrecover/tasm-recover

@@ -749,6 +749,7 @@ generator = cpp(context, "DreamGen", blacklist = [
 	'restoreems',
 	'restorereels',
 	'rockstar',
+	'rollem',
 	'rollendcredits',
 	'rollendcredits2',
 	'roomname',

engines/dreamweb/dreambase.h

@@ -564,6 +564,19 @@ public:
 	bool hangOnPQ();
 	void redes();
 
+	// from titles.cpp
+	void endGame();
+	void monkSpeaking();
+	void gettingShot();
+	void bibleQuote();
+	void hangOne(uint16 delay);
+	void intro();
+	void runIntroSeq();
+	void runEndSeq();
+	void loadIntroRoom();
+	void set16ColPalette();
+	void realCredits();
+
 	// from use.cpp
 	void placeFreeObject(uint8 index);
 	void removeFreeObject(uint8 index);
@@ -653,6 +666,8 @@ public:
 	void useTrainer();
 	void useStereo();
 	void chewy();
+	void delEverything();
+	void afterIntroRoom();
 
 	// from vgafades.cpp
 	void clearStartPal();
@@ -693,7 +708,7 @@ public:
 	void multiGet(uint8 *dst, uint16 x, uint16 y, uint8 width, uint8 height);
 	void multiPut(const uint8 *src, uint16 x, uint16 y, uint8 width, uint8 height);
 	void multiDump(uint16 x, uint16 y, uint8 width, uint8 height);
-	void workToScreenCPP();
+	void workToScreen();
 	void printUnderMon();
 	void cls();
 	void frameOutV(uint8 *dst, const uint8 *src, uint16 pitch, uint16 width, uint16 height, int16 x, int16 y);
@@ -711,6 +726,8 @@ public:
 	void createPanel();
 	void createPanel2();
 	void showPanel();
+	void rollEndCredits2();
+	void rollEm();
 };
 
 

engines/dreamweb/dreamgen.cpp

@@ -73,100 +73,6 @@ void DreamGenContext::transferMap() {
 	_add(data.word(kExframepos), cx);
 }
 
-void DreamGenContext::rollEm() {
-	STACK_CHECK;
-	cl = 160;
-	ch = 160;
-	di = 25;
-	bx = 20;
-	ds = data.word(kMapstore);
-	si = 0;
-	multiGet();
-	es = data.word(kTextfile1);
-	si = 49*2;
-	ax = es.word(si);
-	si = ax;
-	_add(si, (66*2));
-	cx = 80;
-endcredits21:
-	push(cx);
-	bx = 10;
-	cx = data.word(kLinespacing);
-endcredits22:
-	push(cx);
-	push(si);
-	push(di);
-	push(es);
-	push(bx);
-	vSync();
-	cl = 160;
-	ch = 160;
-	di = 25;
-	bx = 20;
-	ds = data.word(kMapstore);
-	si = 0;
-	multiPut();
-	vSync();
-	bx = pop();
-	es = pop();
-	di = pop();
-	si = pop();
-	push(si);
-	push(di);
-	push(es);
-	push(bx);
-	cx = 18;
-onelot2:
-	push(cx);
-	di = 25;
-	dx = 161;
-	ax = 0;
-	printDirect();
-	_add(bx, data.word(kLinespacing));
-	cx = pop();
-	if (--cx)
-		goto onelot2;
-	vSync();
-	cl = 160;
-	ch = 160;
-	di = 25;
-	bx = 20;
-	multiDump();
-	bx = pop();
-	es = pop();
-	di = pop();
-	si = pop();
-	cx = pop();
-	_cmp(data.byte(kLasthardkey), 1);
-	if (flags.z())
-		goto endearly2;
-	_dec(bx);
-	if (--cx)
-		goto endcredits22;
-	cx = pop();
-looknext2:
-	al = es.byte(si);
-	_inc(si);
-	_cmp(al, ':');
-	if (flags.z())
-		goto gotnext2;
-	_cmp(al, 0);
-	if (flags.z())
-		goto gotnext2;
-	goto looknext2;
-gotnext2:
-	_cmp(data.byte(kLasthardkey), 1);
-	if (flags.z())
-		return /* (endearly) */;
-	if (--cx)
-		goto endcredits21;
-	cx = 120;
-	hangOne();
-	return;
-endearly2:
-	cx = pop();
-}
-
 void DreamGenContext::fillOpen() {
 	STACK_CHECK;
 	delTextLine();

engines/dreamweb/dreamgen.h

@@ -460,7 +460,6 @@ public:
 	void pickupConts();
 	void transferMap();
 	void getSetAd();
-	void rollEm();
 	void findAllOpen();
 	void fillOpen();
 	void dreamweb();

engines/dreamweb/keypad.cpp

@@ -118,7 +118,7 @@ void DreamBase::enterCode(uint8 digit0, uint8 digit1, uint8 digit2, uint8 digit3
 	showKeypad();
 	readMouse();
 	showPointer();
-	workToScreenCPP();
+	workToScreen();
 	delPointer();
 	data.word(kPresspointer) = 0;
 	data.byte(kGetback) = 0;

engines/dreamweb/monitor.cpp

@@ -61,7 +61,7 @@ void DreamGenContext::useMon() {
 	printOuterMon();
 	initialMonCols();
 	printLogo();
-	workToScreenCPP();
+	workToScreen();
 	turnOnPower();
 	fadeUpYellows();
 	fadeUpMonFirst();
@@ -174,7 +174,7 @@ void DreamBase::monitorLogo() {
 		//fadeDownMon(); // FIXME: Commented out in ASM
 		printLogo();
 		printUnderMon();
-		workToScreenCPP();
+		workToScreen();
 		printLogo();
 		//fadeUpMon(); // FIXME: Commented out in ASM
 		printLogo();
@@ -291,7 +291,7 @@ void DreamBase::delCurs() {
 void DreamBase::scrollMonitor() {
 	printLogo();
 	printUnderMon();
-	workToScreenCPP();
+	workToScreen();
 	playChannel1(25);
 }
 

engines/dreamweb/newplace.cpp

@@ -54,7 +54,7 @@ void DreamBase::selectLocation() {
 	readMouse();
 	data.byte(kPointerframe) = 0;
 	showPointer();
-	workToScreenCPP();
+	workToScreen();
 	playChannel0(9, 255);
 	data.byte(kNewlocation) = 255;
 
@@ -189,7 +189,7 @@ void DreamBase::nextDest() {
 	underTextLine();
 	readMouse();
 	showPointer();
-	workToScreenCPP();
+	workToScreen();
 	delPointer();
 }
 
@@ -218,7 +218,7 @@ void DreamBase::lastDest() {
 	underTextLine();
 	readMouse();
 	showPointer();
-	workToScreenCPP();
+	workToScreen();
 	delPointer();
 }
 

engines/dreamweb/object.cpp

@@ -58,10 +58,6 @@ void DreamBase::fillRyan() {
 	showRyanPage();
 }
 
-void DreamGenContext::isItWorn() {
-	flags._z = isItWorn((const DynObject *)es.ptr(bx, sizeof(DynObject)));
-}
-
 bool DreamBase::isItWorn(const DynObject *object) {
 	return (object->id[0] == 'W'-'A') && (object->id[1] == 'E'-'A');
 }
@@ -151,7 +147,7 @@ void DreamGenContext::examineOb(bool examineAgain) {
 			data.byte(kCommandtype) = 255;
 			readMouse();
 			showPointer();
-			workToScreenCPP();
+			workToScreen();
 			delPointer();
 			examineAgain = false;
 		}
@@ -255,7 +251,7 @@ void DreamGenContext::inventory() {
 	openInv();
 	readMouse();
 	showPointer();
-	workToScreenCPP();
+	workToScreen();
 	delPointer();
 	data.byte(kOpenedob) = 255;
 	examineOb(false);
@@ -754,10 +750,6 @@ void DreamBase::dropObject() {
 	object->currentLocation = data.byte(kReallocation);
 }
 
-void DreamGenContext::checkObjectSize() {
-	al = checkObjectSizeCPP() ? 0 : 1;
-}
-
 bool DreamGenContext::checkObjectSizeCPP() {
 	byte containerSize = getOpenedSlotSize();
 	DynObject *object = getEitherAdCPP();
@@ -816,7 +808,7 @@ void DreamGenContext::selectOpenOb() {
 	underTextLine();
 	readMouse();
 	showPointer();
-	workToScreenCPP();
+	workToScreen();
 	delPointer();
 }
 
@@ -867,7 +859,7 @@ void DreamGenContext::swapWithInv() {
 	fillRyan();
 	readMouse();
 	showPointer();
-	workToScreenCPP();
+	workToScreen();
 	delPointer();
 }
 
@@ -934,7 +926,7 @@ void DreamGenContext::useOpened() {
 	readMouse();
 	useOpened();
 	showPointer();
-	workToScreenCPP();
+	workToScreen();
 	delPointer();
 }
 
@@ -992,7 +984,7 @@ void DreamGenContext::outOfOpen() {
 	readMouse();
 	useOpened();
 	showPointer();
-	workToScreenCPP();
+	workToScreen();
 	delPointer();
 }
 
@@ -1062,7 +1054,7 @@ void DreamGenContext::swapWithOpen() {
 	readMouse();
 	useOpened();
 	showPointer();
-	workToScreenCPP();
+	workToScreen();
 	delPointer();
 }
 

engines/dreamweb/people.cpp

@@ -921,7 +921,7 @@ void DreamBase::mugger(ReelRoutine &routine) {
 		const uint8 *string = getSegment(data.word(kPuzzletext)).ptr(offset, 0);
 		uint16 y = 104;
 		printDirect(&string, 33 + 20, &y, 241, 241 & 1);
-		workToScreenCPP();
+		workToScreen();
 		hangOn(300);
 		routine.setReelPointer(140);
 		data.byte(kManspath) = 2;

engines/dreamweb/saveload.cpp

@@ -133,7 +133,7 @@ void DreamBase::doLoad(int savegameId) {
 	data.word(kTextaddressy) = 182;
 	data.byte(kTextlen) = 240;
 	startup();
-	workToScreenCPP();
+	workToScreen();
 	data.byte(kGetback) = 4;
 }
 
@@ -220,7 +220,7 @@ void DreamBase::saveGame() {
 		data.word(kTextaddressy) = 182;
 		data.byte(kTextlen) = 240;
 		redrawMainScrn();
-		workToScreenCPP();	// show the main screen without the mouse pointer
+		workToScreen();	// show the main screen without the mouse pointer
 
 		// We need to save after the scene has been redrawn, to capture the
 		// correct screen thumbnail
@@ -265,7 +265,7 @@ void DreamBase::doSaveLoad() {
 	loadSaveBox();
 	showOpBox();
 	showMainOps();
-	workToScreenCPP();
+	workToScreen();
 
 	RectWithCallback<DreamGenContext> opsList[] = {
 		{ kOpsx+59,kOpsx+114,kOpsy+30,kOpsy+76,&DreamBase::getBackFromOps },
@@ -745,7 +745,7 @@ void DreamBase::selectSlot() {
 		showSaveOps();
 	readMouse();
 	showPointer();
-	workToScreenCPP();
+	workToScreen();
 	delPointer();
 }
 

engines/dreamweb/sound.cpp

@@ -30,10 +30,6 @@
 
 namespace DreamGen {
 
-void DreamGenContext::loadSpeech() {
-	loadSpeech((uint8)dl, (uint8)dh, (uint8)cl, (uint16)ax);
-}
-
 bool DreamBase::loadSpeech(byte type1, int idx1, byte type2, int idx2) {
 	cancelCh1();
 
@@ -87,10 +83,6 @@ void DreamBase::playChannel1(uint8 index) {
 	data.word(kCh1blockstocopy) = soundBank[index].blockCount();
 }
 
-void DreamGenContext::playChannel1() {
-	playChannel1(al);
-}
-
 void DreamBase::cancelCh0() {
 	data.byte(kCh0repeat) = 0;
 	data.word(kCh0blockstocopy) = 0;

engines/dreamweb/sprite.cpp

@@ -706,6 +706,8 @@ void DreamBase::intro3Text(uint16 nextReelPointer) {
 }
 
 void DreamBase::rollEndCredits() {
+	// Note: This function is very similar to rollEm() in vgafades.cpp
+
 	playChannel0(16, 255);
 	data.byte(kVolume) = 7;
 	data.byte(kVolumeto) = 0;

engines/dreamweb/stubs.cpp

@@ -508,7 +508,7 @@ void DreamGenContext::dreamweb() {
 			clearPalette();
 
 			doLoad(savegameId);
-			workToScreenCPP();
+			workToScreen();
 			fadeScreenUp();
 			startNewGame = false;
 
@@ -728,7 +728,7 @@ void DreamGenContext::startup1() {
 
 	startup();
 
-	workToScreenCPP();
+	workToScreen();
 	fadeScreenUp();
 }
 
@@ -849,10 +849,10 @@ void DreamGenContext::triggerMessage(uint16 index) {
 	uint16 y = 156;
 	printDirect(&string, 174, &y, 141, true);
 	hangOn(140);
-	workToScreenCPP();
+	workToScreen();
 	hangOn(340);
 	multiPut(mapStore(), 174, 153, 200, 63);
-	workToScreenCPP();
+	workToScreen();
 	data.byte(kLasttrigger) = 0;
 }
 
@@ -1235,10 +1235,6 @@ void DreamBase::copyName(uint8 type, uint8 index, uint8 *dst) {
 	dst[i] = 0;
 }
 
-void DreamGenContext::commandWithOb() {
-	commandWithOb(al, bh, bl);
-}
-
 void DreamBase::commandWithOb(uint8 command, uint8 type, uint8 index) {
 	uint8 commandLine[64] = "OBJECT NAME ONE                         ";
 	delTextLine();
@@ -1752,10 +1748,6 @@ bool DreamGenContext::checkIfSet(uint8 x, uint8 y) {
 	return false;
 }
 
-void DreamGenContext::hangOn() {
-	hangOn(cx);
-}
-
 void DreamBase::hangOn(uint16 frameCount) {
 	while (frameCount) {
 		vSync();
@@ -2498,7 +2490,7 @@ void DreamBase::workToScreenM() {
 	readMouse();
 	showPointer();
 	vSync();
-	workToScreenCPP();
+	workToScreen();
 	delPointer();
 }
 
@@ -2765,7 +2757,7 @@ void DreamGenContext::walkIntoRoom() {
 	}
 }
 
-void DreamGenContext::afterIntroRoom() {
+void DreamBase::afterIntroRoom() {
 	if (data.byte(kNowinnewroom) == 0)
 		return; // notnewintro
 
@@ -2776,7 +2768,7 @@ void DreamGenContext::afterIntroRoom() {
 	reelsOnScreen();
 	spriteUpdate();
 	printSprites();
-	workToScreenCPP();
+	workToScreen();
 	data.byte(kNowinnewroom) = 0;
 }
 
@@ -2869,7 +2861,7 @@ void DreamBase::describeOb() {
 	}
 }
 
-void DreamGenContext::delEverything() {
+void DreamBase::delEverything() {
 	if (data.byte(kMapysize) + data.word(kMapoffsety) < 182) {
 		mapToPanel();
 	} else {
@@ -2885,7 +2877,7 @@ void DreamGenContext::errorMessage1() {
 	printMessage(76, 21, 58, 240, (240 & 1));
 	readMouse();
 	showPointer();
-	workToScreenCPP();
+	workToScreen();
 	delPointer();
 	hangOnP(50);
 	showPanel();
@@ -2894,7 +2886,7 @@ void DreamGenContext::errorMessage1() {
 	readMouse();
 	useOpened();
 	showPointer();
-	workToScreenCPP();
+	workToScreen();
 	delPointer();
 }
 
@@ -2904,7 +2896,7 @@ void DreamGenContext::errorMessage2() {
 	printMessage(76, 21, 59, 240, (240 & 1));
 	readMouse();
 	showPointer();
-	workToScreenCPP();
+	workToScreen();
 	delPointer();
 	hangOnP(50);
 	showPanel();
@@ -2913,7 +2905,7 @@ void DreamGenContext::errorMessage2() {
 	readMouse();
 	useOpened();
 	showPointer();
-	workToScreenCPP();
+	workToScreen();
 	delPointer();
 }
 
@@ -2928,7 +2920,7 @@ void DreamGenContext::errorMessage3() {
 	readMouse();
 	useOpened();
 	showPointer();
-	workToScreenCPP();
+	workToScreen();
 	delPointer();
 }
 
@@ -2948,7 +2940,7 @@ void DreamBase::putBackObStuff() {
 	data.byte(kCommandtype) = 255;
 	readMouse();
 	showPointer();
-	workToScreenCPP();
+	workToScreen();
 	delPointer();
 }
 
@@ -3133,7 +3125,7 @@ void DreamGenContext::decide() {
 	data.byte(kManisoffscreen) = 1;
 	loadSaveBox();
 	showDecisions();
-	workToScreenCPP();
+	workToScreen();
 	fadeScreenUp();
 	data.byte(kGetback) = 0;
 
@@ -3192,7 +3184,7 @@ void DreamGenContext::showGun() {
 	createPanel2();
 	showFrame(tempGraphics(), 100, 4, 0, 0);
 	showFrame(tempGraphics(), 158, 106, 1, 0);
-	workToScreenCPP();
+	workToScreen();
 	getRidOfTemp();
 	fadeScreenUp();
 	hangOn(160);
@@ -3696,7 +3688,7 @@ void DreamBase::incRyanPage() {
 	fillRyan();
 	readMouse();
 	showPointer();
-	workToScreenCPP();
+	workToScreen();
 	delPointer();
 
 }

engines/dreamweb/stubs.h

@@ -24,7 +24,6 @@
 
 	void screenUpdate();
 	void startup1();
-	void workToScreen();
 	void multiGet();
 	void multiGet(uint8 *dst, uint16 x, uint16 y, uint8 width, uint8 height) {
 		DreamBase::multiGet(dst, x, y, width, height);
@@ -48,21 +47,10 @@
 	uint8 printDirect(const uint8* string, uint16 x, uint16 y, uint8 maxWidth, bool centered) {
 		return DreamBase::printDirect(string, x, y, maxWidth, centered);
 	}
-	void showFrame();
-	void showFrame(const Frame *frameData, uint16 x, uint16 y, uint16 frameNumber, uint8 effectsFlag, uint8 *width, uint8 *height) {
-		DreamBase::showFrame(frameData, x, y, frameNumber, effectsFlag, width, height);
-	}
-	void showFrame(const Frame *frameData, uint16 x, uint16 y, uint16 frameNumber, uint8 effectsFlag) {
-		DreamBase::showFrame(frameData, x, y, frameNumber, effectsFlag);
-	}
 	void width160();
 	bool checkIfPerson(uint8 x, uint8 y);
 	bool checkIfFree(uint8 x, uint8 y);
 	bool checkIfEx(uint8 x, uint8 y);
-	void commandWithOb();
-	void commandWithOb(uint8 command, uint8 type, uint8 index) {
-		DreamBase::commandWithOb(command, type, index);
-	}
 	DynObject *getFreeAd(uint8 index) {
 		return DreamBase::getFreeAd(index);
 	}
@@ -80,19 +68,11 @@
 
 	void getExPos();
 	bool checkIfSet(uint8 x, uint8 y);
-	void isItWorn();
-	bool isItWorn(const DynObject *object) {
-		return DreamBase::isItWorn(object);
-	}
 	void obToInv();
 	void obToInv(uint8 index, uint8 flag, uint16 x, uint16 y) {
 		DreamBase::obToInv(index, flag, x, y);
 	}
 	void useRoutine();
-	void hangOn();
-	void hangOn(uint16 frameCount) {
-		DreamBase::hangOn(frameCount);
-	}
 	void examineOb(bool examineAgain = true);
 	void dumpWatch();
 	void transferText();
@@ -115,10 +95,6 @@
 	void monMessage(uint8 index) {
 		DreamBase::monMessage(index);
 	}
-	void playChannel1();
-	void playChannel1(uint8 index) {
-		DreamBase::playChannel1(index);
-	}
 	void look();
 	void autoLook();
 	void doLook();
@@ -131,45 +107,25 @@
 	void inventory();
 	void mainScreen();
 	void zoomOnOff();
-	void hangOne(uint16 delay);
-	void hangOne();
-	void bibleQuote();
-	void realCredits();
-	void runIntroSeq();
-	void intro();
 	void pickupOb(uint8 command, uint8 pos);
 	void initialInv();
 	void walkIntoRoom();
-	void loadIntroRoom();
-	void afterIntroRoom();
-	void gettingShot();
 	void allPointer();
-	void delEverything();
 	void errorMessage1();
 	void errorMessage2();
 	void errorMessage3();
-	void loadSpeech();
-	bool loadSpeech(byte type1, int idx1, byte type2, int idx2) {
-		return DreamBase::loadSpeech(type1, idx1, type2, idx2);
-	}
-	void set16ColPalette();
 	void afterNewRoom();
 	void madmanRun();
 	void decide();
 	void showGun();
-	void endGame();
-	void monkSpeaking();
-	void rollEndCredits2();
 	void triggerMessage(uint16 index);
 	void processTrigger();
 	void updateSymbolTop();
 	void updateSymbolBot();
-	void runEndSeq();
 	bool execCommand();
 	void getOpenedSize();
 	byte getOpenedSlotSize();
 	byte getOpenedSlotCount();
-	void checkObjectSize();
 	bool checkObjectSizeCPP();
 	void openOb();
 	void identifyOb();

engines/dreamweb/talk.cpp

@@ -38,7 +38,7 @@ void DreamBase::talk() {
 	data.byte(kCommandtype) = 255;
 	readMouse();
 	showPointer();
-	workToScreenCPP();
+	workToScreen();
 
 	RectWithCallback<DreamGenContext> talkList[] = {
 		{ 273,320,157,198,&DreamBase::getBack1 },
@@ -259,7 +259,7 @@ void DreamBase::redes() {
 	startTalk();
 	readMouse();
 	showPointer();
-	workToScreenCPP();
+	workToScreen();
 	delPointer();
 }
 

engines/dreamweb/titles.cpp

@@ -25,7 +25,7 @@
 
 namespace DreamGen {
 
-void DreamGenContext::endGame() {
+void DreamBase::endGame() {
 	loadTempText("DREAMWEB.T83");
 	monkSpeaking();
 	gettingShot();
@@ -35,7 +35,7 @@ void DreamGenContext::endGame() {
 	hangOn(200);
 }
 
-void DreamGenContext::monkSpeaking() {
+void DreamBase::monkSpeaking() {
 	// FIXME: This is the CD version only.
 
 	data.byte(kRoomssample) = 35;
@@ -68,7 +68,7 @@ void DreamGenContext::monkSpeaking() {
 	getRidOfTemp();
 }
 
-void DreamGenContext::gettingShot() {
+void DreamBase::gettingShot() {
 	data.byte(kNewlocation) = 55;
 	clearPalette();
 	loadIntroRoom();
@@ -79,7 +79,7 @@ void DreamGenContext::gettingShot() {
 	clearBeforeLoad();
 }
 
-void DreamGenContext::bibleQuote() {
+void DreamBase::bibleQuote() {
 	initGraphics(640, 480, true);
 
 	showPCX("DREAMWEB.I00");
@@ -110,7 +110,7 @@ void DreamGenContext::bibleQuote() {
 	data.byte(kLasthardkey) = 0;
 }
 
-void DreamGenContext::hangOne(uint16 delay) {
+void DreamBase::hangOne(uint16 delay) {
 	do {
 		vSync();
 		if (data.byte(kLasthardkey) == 1)
@@ -118,11 +118,7 @@ void DreamGenContext::hangOne(uint16 delay) {
 	} while	(--delay);
 }
 
-void DreamGenContext::hangOne() {
-	hangOne(cx);
-}
-
-void DreamGenContext::intro() {
+void DreamBase::intro() {
 	loadTempText("DREAMWEB.T82");
 	loadPalFromIFF();
 	setMode();
@@ -178,7 +174,7 @@ void DreamGenContext::intro() {
 	data.byte(kLasthardkey) =  0;
 }
 
-void DreamGenContext::runIntroSeq() {
+void DreamBase::runIntroSeq() {
 	data.byte(kGetback) = 0;
 
 	do {
@@ -224,7 +220,7 @@ void DreamGenContext::runIntroSeq() {
 	//clearBeforeLoad();
 }
 
-void DreamGenContext::runEndSeq() {
+void DreamBase::runEndSeq() {
 	atmospheres();
 	data.byte(kGetback) = 0;
 
@@ -244,7 +240,7 @@ void DreamGenContext::runEndSeq() {
 	} while (data.byte(kGetback) != 1);
 }
 
-void DreamGenContext::loadIntroRoom() {
+void DreamBase::loadIntroRoom() {
 	data.byte(kIntrocount) = 0;
 	data.byte(kLocation) = 255;
 	loadRoom();
@@ -260,13 +256,13 @@ void DreamGenContext::loadIntroRoom() {
 	reelsOnScreen();
 	spriteUpdate();
 	printSprites();
-	workToScreenCPP();
+	workToScreen();
 }
 
-void DreamGenContext::set16ColPalette() {
+void DreamBase::set16ColPalette() {
 }
 
-void DreamGenContext::realCredits() {
+void DreamBase::realCredits() {
 	data.byte(kRoomssample) = 33;
 	loadRoomsSample();
 	data.byte(kVolume) = 0;

engines/dreamweb/use.cpp

@@ -1267,7 +1267,7 @@ void DreamBase::useDiary() {
 	showDiaryPage();
 	readMouse();
 	showPointer();
-	workToScreenCPP();
+	workToScreen();
 	delPointer();
 	data.byte(kGetback) = 0;
 
@@ -1586,7 +1586,7 @@ void DreamBase::withWhat() {
 	data.byte(kCommandtype) = 255;
 	readMouse();
 	showPointer();
-	workToScreenCPP();
+	workToScreen();
 	delPointer();
 	data.byte(kInvopen) = 2;
 }

engines/dreamweb/vgafades.cpp

@@ -281,8 +281,53 @@ void DreamBase::dumpCurrent() {
 	engine->setPalette(pal, 128, 128);
 }
 
-void DreamGenContext::rollEndCredits2() {
+void DreamBase::rollEndCredits2() {
 	rollEm();
 }
 
+void DreamBase::rollEm() {
+	// Note: This function is very similar to rollEndCredits() in sprite.cpp
+
+	multiGet(mapStore(), 25, 20, 160, 160);
+
+	const uint8 *string = getTextInFile1(49);
+	const int linespacing = data.word(kLinespacing);
+
+	for (int i = 0; i < 80; ++i) {
+		// Output the text, initially with an offset of 10 pixels,
+		// then move it up one pixel until we shifted it by a complete
+		// line of text.
+		for (int j = 0; j < linespacing; ++j) {
+			vSync();
+			multiPut(mapStore(), 25, 20, 160, 160);
+			vSync();
+
+			// Output up to 18 lines of text
+			uint16 y = 10 - j;
+			const uint8 *tmp_str = string;
+			for (int k = 0; k < 18; ++k) {
+				DreamBase::printDirect(&tmp_str, 25, &y, 160 + 1, true);
+				y += linespacing;
+			}
+
+			vSync();
+			multiDump(25, 20, 160, 160);
+
+			if (data.byte(kLasthardkey) == 1)
+				return;
+		}
+
+		// Skip to the next text line
+		byte c;
+		do {
+			c = *string++;
+		} while (c != ':' && c != 0);
+
+		if (data.byte(kLasthardkey) == 1)
+			return;
+	}
+
+	hangOne(120);
+}
+
 } // End of namespace DreamGen

engines/dreamweb/vgagrafx.cpp

@@ -86,17 +86,10 @@ void DreamBase::multiDump(uint16 x, uint16 y, uint8 width, uint8 height) {
 	engine->blit(workspace() + offset, kScreenwidth, x, y, width, height);
 }
 
-void DreamBase::workToScreenCPP() {
+void DreamBase::workToScreen() {
 	engine->blit(workspace(), 320, 0, 0, 320, 200);
 }
 
-void DreamGenContext::workToScreen() {
-	workToScreenCPP();
-	uint size = 320 * 200;
-	di = si = size;
-	cx = 0;
-}
-
 void DreamBase::printUnderMon() {
 	engine->printUnderMonitor();
 }
@@ -360,13 +353,6 @@ void DreamBase::showFrame(const Frame *frameData, uint16 x, uint16 y, uint16 fra
 	return;
 }
 
-void DreamGenContext::showFrame() {
-	uint8 width, height;
-	showFrame((Frame *)ds.ptr(0, 0), di, bx, ax & 0x1ff, ah & 0xfe, &width, &height);
-	cl = width;
-	ch = height;
-}
-
 void DreamBase::clearWork() {
 	memset(workspace(), 0, 320*200);
 }