From bd70cd9dff5666d7bcca69960ef4271c519d04f3 Mon Sep 17 00:00:00 2001
From: D G Turner <digitall@scummvm.org>
Date: Mon, 26 Dec 2011 20:45:39 +0000
Subject: [PATCH] DREAMWEB: Ported 'read' to C++

---
 devtools/tasmrecover/tasm-recover |  1 +
 engines/dreamweb/dreamgen.cpp     | 91 -------------------------------
 engines/dreamweb/dreamgen.h       |  1 -
 engines/dreamweb/monitor.cpp      | 76 ++++++++++++++++++++++++++
 engines/dreamweb/stubs.h          |  1 +
 5 files changed, 78 insertions(+), 92 deletions(-)

diff --git a/devtools/tasmrecover/tasm-recover b/devtools/tasmrecover/tasm-recover
index d63c17ecd74..01264256251 100755
--- a/devtools/tasmrecover/tasm-recover
+++ b/devtools/tasmrecover/tasm-recover
@@ -763,6 +763,7 @@ generator = cpp(context, "DreamGen", blacklist = [
 	'randomnum1',
 	'randomnum2',
 	'randomnumber',
+	'read',
 	'readabyte',
 	'readcitypic',
 	'readdesticon',
diff --git a/engines/dreamweb/dreamgen.cpp b/engines/dreamweb/dreamgen.cpp
index 220304c405b..b44efe9d0ed 100644
--- a/engines/dreamweb/dreamgen.cpp
+++ b/engines/dreamweb/dreamgen.cpp
@@ -26,97 +26,6 @@
 
 namespace DreamGen {
 
-void DreamGenContext::read() {
-	STACK_CHECK;
-	cx = 40;
-	randomAccess();
-	parser();
-	_cmp(es.byte(di+1), 0);
-	if (!flags.z())
-		goto okcom;
-	netError();
-	return;
-okcom:
-	es = cs;
-	di = 408;
-	ax = data.word(kTextfile1);
-	data.word(kMonsource) = ax;
-	ds = ax;
-	si = (66*2);
-	searchForString();
-	_cmp(al, 0);
-	if (flags.z())
-		goto foundfile2;
-	ax = data.word(kTextfile2);
-	data.word(kMonsource) = ax;
-	ds = ax;
-	si = (66*2);
-	searchForString();
-	_cmp(al, 0);
-	if (flags.z())
-		goto foundfile2;
-	ax = data.word(kTextfile3);
-	data.word(kMonsource) = ax;
-	ds = ax;
-	si = (66*2);
-	searchForString();
-	_cmp(al, 0);
-	if (flags.z())
-		goto foundfile2;
-	al = 7;
-	monMessage();
-	return;
-foundfile2:
-	getKeyAndLogo();
-	_cmp(al, 0);
-	if (flags.z())
-		goto keyok1;
-	return;
-keyok1:
-	es = cs;
-	di = offset_operand1;
-	ds = data.word(kMonsource);
-	searchForString();
-	_cmp(al, 0);
-	if (flags.z())
-		goto findtopictext;
-	al = data.byte(kOldlogonum);
-	data.byte(kLogonum) = al;
-	al = 11;
-	monMessage();
-	return;
-findtopictext:
-	_inc(bx);
-	push(es);
-	push(bx);
-	monitorLogo();
-	scrollMonitor();
-	bx = pop();
-	es = pop();
-moretopic:
-	monPrint();
-	al = es.byte(bx);
-	_cmp(al, 34);
-	if (flags.z())
-		goto endoftopic;
-	_cmp(al, '=');
-	if (flags.z())
-		goto endoftopic;
-	_cmp(al, '*');
-	if (flags.z())
-		goto endoftopic;
-	push(es);
-	push(bx);
-	processTrigger();
-	cx = 24;
-	randomAccess();
-	bx = pop();
-	es = pop();
-	goto moretopic;
-endoftopic:
-	scrollMonitor();
-}
-
 void DreamGenContext::dirFile() {
 	STACK_CHECK;
 	al = 34;
diff --git a/engines/dreamweb/dreamgen.h b/engines/dreamweb/dreamgen.h
index 6ee65ada685..6ec194618a7 100644
--- a/engines/dreamweb/dreamgen.h
+++ b/engines/dreamweb/dreamgen.h
@@ -418,7 +418,6 @@ public:
 
 	void dirFile();
 	void dreamweb();
-	void read();
 	void searchForString();
 	void parser();
 };
diff --git a/engines/dreamweb/monitor.cpp b/engines/dreamweb/monitor.cpp
index a877f17b8a6..953d1cb6a1b 100644
--- a/engines/dreamweb/monitor.cpp
+++ b/engines/dreamweb/monitor.cpp
@@ -475,6 +475,82 @@ void DreamGenContext::dirCom() {
 	scrollMonitor();
 }
 
+void DreamGenContext::read() {
+	bool foundFile = false;
+
+	randomAccess(40);
+	parser();
+	if (es.byte(di+1) == 0) {
+		netError();
+		return;
+	}
+
+	es = cs;
+	di = kCurrentfile;
+
+	data.word(kMonsource) = data.word(kTextfile1);
+	ds = data.word(kMonsource);
+	si = kTextstart;
+	searchForString();
+	if (al == 0) {
+		foundFile = true;
+	} else {
+		data.word(kMonsource) = data.word(kTextfile2);
+		ds = data.word(kMonsource);
+		si = kTextstart;
+		searchForString();
+		if (al == 0) {
+			foundFile = true;
+		} else {
+			data.word(kMonsource) = data.word(kTextfile3);
+			ds = data.word(kMonsource);
+			si = kTextstart;
+			searchForString();
+			if (al == 0)
+				foundFile = true;
+		}
+	}
+
+	if (!foundFile) {
+		monMessage(7);
+		return;
+	}
+
+	// "foundfile2"
+	getKeyAndLogo();
+	if (al != 0)
+		return;
+
+	// "keyok1"
+	es = cs;
+	di = offset_operand1;
+	ds = data.word(kMonsource);
+	searchForString();
+	if (al != 0) {
+		data.byte(kLogonum) = data.byte(kOldlogonum);
+		monMessage(11);
+		return;
+	}
+
+	// "findtopictext"
+	bx++;
+
+	monitorLogo();
+	scrollMonitor();
+
+	while (true) {
+		monPrint();
+		if (es.byte(bx) == 34 || es.byte(bx) == '=' || es.byte(bx) == '*') {
+			// "endoftopic"
+			scrollMonitor();
+			return;
+		}
+
+		processTrigger();
+		randomAccess(24);
+	}
+}
+
 void DreamGenContext::signOn() {
 	parser();
 
diff --git a/engines/dreamweb/stubs.h b/engines/dreamweb/stubs.h
index feedef9aae8..bda2be634ee 100644
--- a/engines/dreamweb/stubs.h
+++ b/engines/dreamweb/stubs.h
@@ -117,6 +117,7 @@
 	void getKeyAndLogo();
 	void signOn();
 	void searchForFiles(uint16 segment);
+	void read();
 	void dirCom();
 
 #endif