DREAMWEB: 'printchar' ported to C++

devtools/tasmrecover/tasm-recover

@@ -44,6 +44,7 @@ generator = cpp(context, "DreamGen", blacklist = [
 	'kernchars',
 	'getnextword',
 	'getnumber',
+	'printchar',
 	'printdirect',
 	'worktoscreen',
 	'width160',

engines/dreamweb/dreamgen.cpp

@@ -4937,39 +4937,6 @@ realcreditsearly:
 	data.byte(kLasthardkey) =  0;
 }
 
-void DreamGenContext::printchar() {
-	STACK_CHECK;
-	_cmp(al, 255);
-	if (flags.z())
-		return /* (ignoreit) */;
-	push(si);
-	push(bx);
-	push(di);
-	_cmp(data.byte(kForeignrelease),  0);
-	if (flags.z())
-		goto _tmp1;
-	_sub(bx, 3);
-_tmp1:
-	push(ax);
-	_sub(al, 32);
-	ah = 0;
-	_add(ax, data.word(kCharshift));
-	showframe();
-	ax = pop();
-	di = pop();
-	bx = pop();
-	si = pop();
-	_cmp(data.byte(kKerning), 0);
-	if (!flags.z())
-		goto nokern;
-	kernchars();
-nokern:
-	push(cx);
-	ch = 0;
-	_add(di, cx);
-	cx = pop();
-}
-
 void DreamGenContext::printslow() {
 	STACK_CHECK;
 	data.byte(kPointerframe) = 1;
@@ -21401,7 +21368,6 @@ void DreamGenContext::__dispatch_call(uint16 addr) {
 		case addr_mode640x480: mode640x480(); break;
 		case addr_set16colpalette: set16colpalette(); break;
 		case addr_realcredits: realcredits(); break;
-		case addr_printchar: printchar(); break;
 		case addr_printslow: printslow(); break;
 		case addr_waitframes: waitframes(); break;
 		case addr_printboth: printboth(); break;

engines/dreamweb/dreamgen.h

@@ -588,7 +588,6 @@ public:
 	static const uint16 addr_printboth = 0xc30c;
 	static const uint16 addr_waitframes = 0xc308;
 	static const uint16 addr_printslow = 0xc304;
-	static const uint16 addr_printchar = 0xc2fc;
 	static const uint16 addr_realcredits = 0xc2f8;
 	static const uint16 addr_set16colpalette = 0xc2f4;
 	static const uint16 addr_mode640x480 = 0xc2f0;
@@ -1548,7 +1547,7 @@ public:
 	void showpcx();
 	void showdecisions();
 	void checkspeed();
-	void printchar();
+	//void printchar();
 	void showkeypad();
 	void obtoinv();
 	void removeobfrominv();

engines/dreamweb/stubs.cpp

@@ -271,6 +271,28 @@ void DreamGenContext::getnextword() {
 	bh = charCount;	
 }
 
+void DreamGenContext::printchar() {
+	uint16 x = di;
+	printchar(es, ds, &x, bx, al);
+	di = x;
+}
+
+void DreamGenContext::printchar(uint16 dst, uint16 src, uint16* x, uint16 y, uint8 c) {
+	if (c == 255)
+		return;
+	push(si);
+	push(di);
+	if (data.byte(kForeignrelease) != 0)
+		y -= 3;
+	cx = showframeCPP(dst, src, *x, y, c - 32 + data.word(kCharshift), 0);
+	di = pop();
+	si = pop();
+	_cmp(data.byte(kKerning), 0);
+	if (flags.z())
+		kernchars();
+	(*x) += cl;
+}
+
 void DreamGenContext::printdirect() {
 	data.word(kLastxpos) = di;
 	ds = data.word(kCurrentset);
@@ -278,7 +300,10 @@ void DreamGenContext::printdirect() {
 		push(bx);
 		push(di);
 		push(dx);
-		uint8 charCount = getnumber(dl, (bool)(dl & 1));
+		uint16 offset;
+		uint8 charCount = getnumber(dl, (bool)(dl & 1), &offset);
+		di = offset;
+		uint16 x = di;
 		do {
 			ax = es.word(si);
 			++si;
@@ -290,8 +315,8 @@ void DreamGenContext::printdirect() {
 			}
 			push(es);
 			al = engine->modifyChar(al);
-			printchar();
-			data.word(kLastxpos) = di;
+			printchar(es, ds, &x, bx, al);
+			data.word(kLastxpos) = x;
 			es = pop();
 			--charCount;
 		} while(charCount);
@@ -303,10 +328,12 @@ void DreamGenContext::printdirect() {
 }
 
 void DreamGenContext::getnumber() {
-	cl = getnumber(dl, (bool)(dl & 1));
+	uint16 offset = di;
+	cl = getnumber(dl, (bool)(dl & 1), &offset);
+	di = offset;
 }
 
-uint8 DreamGenContext::getnumber(uint16 maxWidth, bool centered) {
+uint8 DreamGenContext::getnumber(uint16 maxWidth, bool centered, uint16* offset) {
 	uint8 totalWidth = 0;
 	uint8 charCount = 0;
 	push(si);
@@ -315,6 +342,7 @@ uint8 DreamGenContext::getnumber(uint16 maxWidth, bool centered) {
 	push(ds);
 	push(es);
 	di = si;
+	*offset = di;
 	while (true) {
 		uint8 wordTotalWidth, wordCharCount;
 		uint8 done = getnextword(&wordTotalWidth, &wordCharCount);
@@ -338,6 +366,7 @@ uint8 DreamGenContext::getnumber(uint16 maxWidth, bool centered) {
 			bx = pop();
 			si = pop();
 			_add(di, ax);
+			*offset = di;
 			return charCount;
 		}
 		ax = totalWidth + wordTotalWidth - 10;
@@ -354,6 +383,7 @@ uint8 DreamGenContext::getnumber(uint16 maxWidth, bool centered) {
 			bx = pop();
 			si = pop();
 			_add(di, ax);
+			*offset = di;
 			return charCount;
 		}
 		totalWidth += wordTotalWidth;

engines/dreamweb/stubs.h

@@ -38,9 +38,11 @@
 	void quickquit2();
 	void getnextword();
 	uint8 getnextword(uint8 *totalWidth, uint8 *charCount);
+	void printchar();
+	void printchar(uint16 dst, uint16 src, uint16* x, uint16 y, uint8 c);
 	void printdirect();
 	void getnumber();
-	uint8 getnumber(uint16 maxWidth, bool centered);
+	uint8 getnumber(uint16 maxWidth, bool centered, uint16* offset);
 	void kernchars();
 	uint8 kernchars(uint8 firstChar, uint8 secondChar, uint8 width);
 	Sprite *spritetable();