DREAMWEB: removed dummy video segment, blacklisted video-related functions.

5 files changed, 40 insertions, 107 deletions

diff --git a/engines/dreamweb/dreamgen.cpp b/engines/dreamweb/dreamgen.cpp
index 81d76fe3a4..2cb71e061e 100644
--- a/engines/dreamweb/dreamgen.cpp
+++ b/engines/dreamweb/dreamgen.cpp
@@ -10,7 +10,6 @@ void readsetdata(Context &context);
 void loadpalfromiff(Context &context);
 void titles(Context &context);
 void credits(Context &context);
-void cls(Context &context);
 void decide(Context &context);
 void clearchanges(Context &context);
 void loadroom(Context &context);
@@ -60,7 +59,6 @@ void animpointer(Context &context);
 void showpointer(Context &context);
 void dumppointer(Context &context);
 void commandonly(Context &context);
-void worktoscreen(Context &context);
 void showtime(Context &context);
 void showwatch(Context &context);
 void printmessage(Context &context);
@@ -279,7 +277,6 @@ void modifychar(Context &context);
 void printchar(Context &context);
 void showcurrentfile(Context &context);
 void printlogo(Context &context);
-void printundermon(Context &context);
 void randomaccess(Context &context);
 void locklighton(Context &context);
 void locklightoff(Context &context);
@@ -430,7 +427,6 @@ void frameoutbh(Context &context);
 void frameoutv(Context &context);
 void putunderzoom(Context &context);
 void crosshair(Context &context);
-void width160(Context &context);
 void maptopanel(Context &context);
 void movemap(Context &context);
 void dealwithspecial(Context &context);
@@ -4034,71 +4030,6 @@ nought:
 	return;
 }
 
-void cls(Context & context) {
-	context.ax = 0x0a000;
-	context.es = context.ax;
-	context.di = 0;
-	context.cx = 0x7fff;
-	context.ax = 0;
-	while(context.cx--) 	context._stosw();
-	return;
-}
-
-void printundermon(Context & context) {
-	context.si = ((320)*43)+76;
-	context.di = context.si;
-	context.es = context.data.word(kWorkspace);
-	context._add(context.si, 8*(320));
-	context.dx = 0x0a000;
-	context.ds = context.dx;
-	context.cx = 104;
-scrollmonloop1:
-	context.push(context.cx);
-	context.push(context.di);
-	context.push(context.si);
-	context.cx = 170;
-scrollmonloop2:
-	context._lodsb();
-	context._cmp(context.al, 231);
-	if (!context.flags.c()) goto dontplace;
-placeit:
-	context._stosb();
-	if (--context.cx) goto scrollmonloop2;
-	goto finmonscroll;
-dontplace:
-	context._add(context.di, 1);
-	if (--context.cx) goto scrollmonloop2;
-finmonscroll:
-	context.si = context.pop();
-	context.di = context.pop();
-	context.cx = context.pop();
-	context._add(context.si, (320));
-	context._add(context.di, (320));
-	if (--context.cx) goto scrollmonloop1;
-	return;
-}
-
-void worktoscreen(Context & context) {
-	vsync(context);
-	context.si = 0;
-	context.di = 0;
-	context.cx = 25;
-	context.ds = context.data.word(kWorkspace);
-	context.dx = 0x0a000;
-	context.es = context.dx;
-dumpallloop:
-	width160(context);
-	width160(context);
-	width160(context);
-	width160(context);
-	width160(context);
-	width160(context);
-	width160(context);
-	width160(context);
-	if (--context.cx) goto dumpallloop;
-	return;
-}
-
 void paneltomap(Context & context) {
 	context.di = context.data.word(kMapxstart);
 	context._add(context.di, context.data.word(kMapadx));
@@ -21321,9 +21252,6 @@ void __dispatch_call(Context &context, unsigned addr) {
 		case 0xc1d4: readoneblock(context); break;
 		case 0xc1d8: loadpalfromiff(context); break;
 		case 0xc1dc: setmode(context); break;
-		case 0xc1e0: cls(context); break;
-		case 0xc1e4: printundermon(context); break;
-		case 0xc1e8: worktoscreen(context); break;
 		case 0xc1ec: paneltomap(context); break;
 		case 0xc1f0: maptopanel(context); break;
 		case 0xc1f4: dumpmap(context); break;
diff --git a/engines/dreamweb/dreamgen.h b/engines/dreamweb/dreamgen.h
index fcbf738a00..40e3539a0d 100644
--- a/engines/dreamweb/dreamgen.h
+++ b/engines/dreamweb/dreamgen.h
@@ -16,6 +16,9 @@ namespace dreamgen {
 	void multiput(Context &context);
 	void multidump(Context &context);
 	void frameoutnm(Context &context);
+	void cls(Context &context);
+	void printundermon(Context &context);
+	void worktoscreen(Context &context);
 	void keyboardread(Context &context);
 	void resetkeyboard(Context &context);
 	void setkeyboardint(Context &context);
diff --git a/engines/dreamweb/dreamweb.cpp b/engines/dreamweb/dreamweb.cpp
index 556ed11839..4e24c4917f 100644
--- a/engines/dreamweb/dreamweb.cpp
+++ b/engines/dreamweb/dreamweb.cpp
@@ -86,16 +86,6 @@ void DreamWebEngine::setVSyncInterrupt(bool flag) {
 
 void DreamWebEngine::waitForVSync() {
 	processEvents();
-	Graphics::Surface *s = _system->lockScreen();
-	if (!s)
-		error("lockScreen failed");
-	for(int y = 0; y < 200; ++y) {
-		uint8 *scanline = (uint8*)s->getBasePtr(0, y);
-		uint8 *src = _context.video.ptr(y * 320, 320);
-		memcpy(scanline, src, 320);
-	}
-	_system->unlockScreen();
-	_system->updateScreen();
 /*
 	while (!_vSyncInterrupt) {
 		_system->delayMillis(10);
@@ -220,6 +210,7 @@ void DreamWebEngine::setGraphicsMode() {
 }
 
 void DreamWebEngine::fadeDos() {
+	waitForVSync();
 	//processEvents will be called from vsync
 	PaletteManager *palette = _system->getPaletteManager();
 	_context.ds = _context.es = _context.data.word(dreamgen::kBuffers);
@@ -231,9 +222,8 @@ void DreamWebEngine::fadeDos() {
 				--dst[c];
 			}
 		}
-		//Common::hexdump(dst, 64 * 3);
-		//palette->setPalette(dst, 0, 64);
-		//waitForVSync();
+		palette->setPalette(dst, 0, 64);
+		waitForVSync();
 	}
 }
 void DreamWebEngine::setPalette() {
@@ -242,7 +232,7 @@ void DreamWebEngine::setPalette() {
 	PaletteManager *palette = _system->getPaletteManager();
 	unsigned n = (uint16)_context.cx;
 	uint8 *src = _context.ds.ptr(_context.si, n * 3);
-	for(int i = 0; i < n * 3; ++i)
+	for(unsigned i = 0; i < n * 3; ++i)
 		colors[i] = src[i] * 3;
 	//Common::hexdump(colors, n * 3);
 	palette->setPalette(colors, _context.al, n);
@@ -250,6 +240,15 @@ void DreamWebEngine::setPalette() {
 	_context.cx = 0;
 }
 
+void DreamWebEngine::blit(uint8 *src, int pitch, int x, int y, int w, int h) {
+	_system->copyRectToScreen(src, pitch, x, y, w, h);
+}
+
+void DreamWebEngine::cls() {
+	_system->fillScreen(0);
+}
+
+
 } // End of namespace DreamWeb
 
 
@@ -289,17 +288,25 @@ void multiput(Context &context) {
 }
 
 void multidump(Context &context) {
-	unsigned w = (uint8)context.cl, h = (uint8)context.ch;
-	context.es = 0xa000;
-	context.ds = context.data.word(kWorkspace);
+	int w = (uint8)context.cl, h = (uint8)context.ch;
+	int x = (int16)context.di, y = (int16)context.bx;
+	int pitch = (uint16)context.data.word(kScreenwidth);
+	unsigned offset = x + y * pitch;
 	//debug(1, "multidump %ux%u -> segment: %04x->%04x", w, h, (uint16)context.ds, (uint16)context.es);
-	unsigned pitch = (uint16)context.data.word(kScreenwidth);
-	unsigned offset = (uint16)context.di + (uint16)context.bx * pitch;
-	for(unsigned y = 0; y < h; ++y, offset += pitch) {
-		uint8 *src_p = context.ds.ptr(offset, w);
-		uint8 *dst_p = context.es.ptr(offset, w);
-		memcpy(dst_p, src_p, w);
-	}
+	engine()->blit(context.ds.ptr(offset, w * h), pitch, x, y, w, h);
+}
+
+void worktoscreen(Context &context) {
+	context.ds = context.data.word(kWorkspace);
+	engine()->blit(context.ds.ptr(0, 320 * 200), 320, 0, 0, 320, 200);
+}
+
+void printundermon(Context &context) {
+	warning("printundermon: STUB");
+}
+
+void cls(Context &context) {
+	engine()->cls();
 }
 
 void frameoutnm(Context &context) {
@@ -579,12 +586,11 @@ void showgroup(Context &context) {
 }
 
 void fadedos(Context &context) {
-	vsync(context);
 	engine()->fadeDos();
 }
 
 void doshake(Context &context) {
-	::error("doshake");
+	warning("doshake: STUB");
 }
 
 void vsync(Context &context) {
@@ -683,8 +689,6 @@ normal:
 endline:
 	context.di = context.pop();
 	context.push(context.si);
-	context.dx = 0xa000;
-	context.es = context.dx;
 	context.si = 0+(228*13)+32+60;
 	context.ds = context.data.word(kBuffers);
 
diff --git a/engines/dreamweb/dreamweb.h b/engines/dreamweb/dreamweb.h
index 5d2b71b23a..3038de3652 100644
--- a/engines/dreamweb/dreamweb.h
+++ b/engines/dreamweb/dreamweb.h
@@ -87,6 +87,8 @@ public:
 	void setGraphicsMode();
 	void setPalette();
 	void fadeDos();
+	void blit(uint8 *src, int pitch, int x, int y, int w, int h);
+	void cls();
 
 private:
 
diff --git a/engines/dreamweb/runtime.h b/engines/dreamweb/runtime.h
index 525a4df5b9..80ab8db384 100644
--- a/engines/dreamweb/runtime.h
+++ b/engines/dreamweb/runtime.h
@@ -199,7 +199,7 @@ class Context {
 	FreeSegmentList _freeSegments;
 	
 public:
-	enum { kDefaultDataSegment = 0x1000, kVideoSegment = 0xa000 };
+	enum { kDefaultDataSegment = 0x1000 };
 	
 	Register ax, dx, bx, cx, si, di;
 	LowPartOfRegister	al;
@@ -211,21 +211,17 @@ public:
 	LowPartOfRegister	dl;
 	HighPartOfRegister	dh;
 	
-	SegmentRef cs, ds, es, data, video;
+	SegmentRef cs, ds, es, data;
 	//data == fake segment register always pointing to data segment
 	Flags flags;
 
 	inline Context(): al(ax), ah(ax), bl(bx), bh(bx), cl(cx), ch(cx), dl(dx), dh(dx), 
-		cs(this), ds(this), es(this), data(this), video(this) {
+		cs(this), ds(this), es(this), data(this) {
 		_segments[kDefaultDataSegment] = SegmentPtr(new Segment());
-		_segments[kVideoSegment] = SegmentPtr(new Segment());
-		_segments[kVideoSegment]->data.resize(0x10000);
-		
 		cs.reset(kDefaultDataSegment);
 		ds.reset(kDefaultDataSegment);
 		es.reset(kDefaultDataSegment);
 		data.reset(kDefaultDataSegment);
-		video.reset(kVideoSegment);
 	}
 
 	SegmentRef getSegment(uint16 value) {