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-rw-r--r--devtools/tasmrecover/tasm/cpp.py4
-rw-r--r--engines/dreamweb/dreamgen.cpp6
-rw-r--r--engines/dreamweb/runtime.h22
3 files changed, 15 insertions, 17 deletions
diff --git a/devtools/tasmrecover/tasm/cpp.py b/devtools/tasmrecover/tasm/cpp.py
index 0e87656bcc..20af0ea632 100644
--- a/devtools/tasmrecover/tasm/cpp.py
+++ b/devtools/tasmrecover/tasm/cpp.py
@@ -353,13 +353,13 @@ namespace %s {
self.body += "\tif (context.flags.l()) %s;\n" %(self.jump_to_label(label))
def _jg(self, label):
- self.body += "\tif (!context.flags.g()) %s;\n" %(self.jump_to_label(label))
+ self.body += "\tif (!context.flags.le()) %s;\n" %(self.jump_to_label(label))
def _jle(self, label):
self.body += "\tif (context.flags.le()) %s;\n" %(self.jump_to_label(label))
def _jge(self, label):
- self.body += "\tif (!context.flags.ge()) %s;\n" %(self.jump_to_label(label))
+ self.body += "\tif (!context.flags.l()) %s;\n" %(self.jump_to_label(label))
def _jc(self, label):
self.body += "\tif (context.flags.c()) %s;\n" %(self.jump_to_label(label))
diff --git a/engines/dreamweb/dreamgen.cpp b/engines/dreamweb/dreamgen.cpp
index 56d57bee71..16e4958c89 100644
--- a/engines/dreamweb/dreamgen.cpp
+++ b/engines/dreamweb/dreamgen.cpp
@@ -17818,13 +17818,13 @@ loop048:
if (context.flags.l()) goto over045;
context.ax = context.cs.word(context.bx+2);
context._cmp(context.data.word(kMousex), context.ax);
- if (!context.flags.ge()) goto over045;
+ if (!context.flags.l()) goto over045;
context.ax = context.cs.word(context.bx+4);
context._cmp(context.data.word(kMousey), context.ax);
if (context.flags.l()) goto over045;
context.ax = context.cs.word(context.bx+6);
context._cmp(context.data.word(kMousey), context.ax);
- if (!context.flags.ge()) goto over045;
+ if (!context.flags.l()) goto over045;
context.ax = context.cs.word(context.bx+8);
__dispatch_call(context, context.ax);
finished:
@@ -18859,7 +18859,7 @@ vertline:
context.bx = context.data.word(kLineendy);
context.cx = context.bx;
context._sub(context.cx, context.ax);
- if (!context.flags.ge()) goto line31;
+ if (!context.flags.l()) goto line31;
context._neg(context.cx);
context.ax = context.bx;
context.data.byte(kLinedirection) = 1;
diff --git a/engines/dreamweb/runtime.h b/engines/dreamweb/runtime.h
index 9890f950b6..d92a8d6a2b 100644
--- a/engines/dreamweb/runtime.h
+++ b/engines/dreamweb/runtime.h
@@ -166,11 +166,9 @@ struct Flags {
inline bool z() const { return _z; }
inline bool c() const { return _c; }
inline bool s() const { return _s; }
- //complex flags:
- inline bool g() const { return !_z && _o; }
- inline bool ge() const { return _o; }
- inline bool l() const { return !_o; }
- inline bool le() const { return _z || !_o; }
+
+ inline bool l() const { return _o; }
+ inline bool le() const { return _o || _z; }
inline void update(uint8 v) {
_s = v & 0x80;
@@ -270,7 +268,7 @@ public:
inline void _add(uint8 &dst, uint8 src) {
unsigned r = (unsigned)dst + src;
- flags.update_o(r, dst);
+ flags.update_o((uint8)r, dst);
flags._c = r >= 0x100;
dst = r;
flags.update(dst);
@@ -278,21 +276,21 @@ public:
inline void _add(uint16 &dst, uint16 src) {
unsigned r = (unsigned)dst + src;
- flags.update_o(r, dst);
+ flags.update_o((uint16)r, dst);
flags._c = r >= 0x10000;
dst = r;
flags.update(dst);
}
inline void _sub(uint8 &dst, uint8 src) {
- flags.update_o(dst - src, dst);
+ flags.update_o(uint8(dst - src), dst);
flags._c = dst < src;
dst -= src;
flags.update(dst);
}
inline void _sub(uint16 &dst, uint16 src) {
- flags.update_o(dst - src, dst);
+ flags.update_o(uint16(dst - src), dst);
flags._c = dst < src;
dst -= src;
flags.update(dst);
@@ -383,21 +381,21 @@ public:
inline void _mul(uint8 src) {
unsigned r = unsigned(al) * src;
- flags.update_o(r, al);
ax = (uint16)r;
flags._c = r >= 0x10000;
flags._z = r == 0;
flags._s = r & 0x8000;
+ flags._o = ah != 0;
}
inline void _mul(uint16 src) {
unsigned r = unsigned(ax) * src; //assuming here that we have at least 32 bits
- flags.update_o(r, ax);
dx = (r >> 16) & 0xffff;
ax = r & 0xffff;
- flags._c = false;//fixme
+ flags._c = false;
flags._z = r == 0;
flags._s = r & 0x80000000;
+ flags._o = dx != 0;
}
inline void _neg(uint8 &src) {