DREAMWEB: do not call updatescreen before quitting, fixed crash on dosreturn, cleaned up dosreturn stub

devtools/tasmrecover/dreamweb/dreamweb.asm

@@ -194,11 +194,12 @@ alreadyloaded:	mov	newlocation,255
 	call	startup
 	mov	commandtype,255
 
-mainloop:	call	screenupdate
+mainloop:
 	cmp quitrequested, 0
 	jz $1
 	ret
 $1:
+	call	screenupdate
 	cmp	wongame,0
 	jnz	endofgame
 	cmp	mandead,1

engines/dreamweb/detection.cpp

@@ -83,6 +83,12 @@ bool DreamWebMetaEngine::hasFeature(MetaEngineFeature f) const {
 }
 
 bool DreamWeb::DreamWebEngine::hasFeature(EngineFeature f) const {
+	switch(f) {
+	case kSupportsRTL:
+		return true;
+	default:
+		return false;
+	}
 	return false;
 }
 

engines/dreamweb/dreamgen.cpp

@@ -4165,6 +4165,11 @@ deloneloop:
 		goto deloneloop;
 }
 
+void DreamGenContext::width160() {
+	STACK_CHECK;
+	_movsw(161);
+}
+
 void DreamGenContext::doblocks() {
 	STACK_CHECK;
 	es = data.word(kWorkspace);
@@ -21358,12 +21363,12 @@ loadnew:
 	startup();
 	data.byte(kCommandtype) = 255;
 mainloop:
-	screenupdate();
 	_cmp(data.byte(kQuitrequested),  0);
 	if (flags.z())
 		goto _tmp1;
 	return;
 _tmp1:
+	screenupdate();
 	_cmp(data.byte(kWongame), 0);
 	if (!flags.z())
 		goto endofgame;
@@ -22115,6 +22120,7 @@ void DreamGenContext::__dispatch_call(uint16 addr) {
 		case 0xc20c: doshake(); break;
 		case 0xc210: zoom(); break;
 		case 0xc214: delthisone(); break;
+		case 0xc224: width160(); break;
 		case 0xc228: doblocks(); break;
 		case 0xc22c: showframe(); break;
 		case 0xc230: frameoutv(); break;

engines/dreamweb/dreamgen.h

@@ -964,6 +964,7 @@ public:
 	void createpanel();
 	void turnpathon();
 	void showmainops();
+	void width160dosreturn();
 	void madmanstelly();
 	void constant();
 	void loadroomssample();

engines/dreamweb/dreamweb.cpp

@@ -116,6 +116,9 @@ void DreamWebEngine::processEvents() {
 	int softKey, hardKey;
 	while (event_manager->pollEvent(event)) {
 		switch(event.type) {
+		case Common::EVENT_RTL:
+			quit();
+			break;
 		case Common::EVENT_KEYDOWN:
 			if (event.kbd.flags & Common::KBD_CTRL) {
 				switch (event.kbd.keycode) {

engines/dreamweb/stubs.cpp

@@ -162,6 +162,10 @@ void DreamGenContext::openfilefromc() {
 
 void DreamGenContext::openfile() {
 	Common::String name = getFilename(*this);
+	if (name.empty()) { //fixme: this happens if you quit from new game/load screen
+		flags._c = true;
+		return;
+	}
 	debug(1, "opening file: %s", name.c_str());
 	engine->openFile(name);
 	cs.word(kHandle) = 1; //only one handle
@@ -361,17 +365,19 @@ void DreamGenContext::generalerror() {
 
 void DreamGenContext::dosreturn() {
 	_cmp(data.byte(kCommandtype), 250);
-	if (flags.z()) goto alreadydos;
+	if (!flags.z()) {
 		data.byte(kCommandtype) = 250;
 		al = 46;
 		commandonly();
-alreadydos:
+	}
+
 	ax = data.word(kMousebutton);
 	_and(ax, 1);
-	if (flags.z()) return;
+	if (flags.z()) 
+		return;
 
-	quickquit2();
-	quickquit();
+	data.word(kMousebutton) = 0;
+	engine->quit();
 }
 
 void DreamGenContext::set16colpalette() {}