aboutsummaryrefslogtreecommitdiff
path: root/engines
diff options
context:
space:
mode:
authorLars Skovlund2010-01-29 22:17:27 +0000
committerLars Skovlund2010-01-29 22:17:27 +0000
commit0e8b8f19624f4586f7b967993bcd8244faadc3a6 (patch)
treeb725d1c27e78dd4c8098a7125d90e1c2dcbdd6c9 /engines
parent5b9b6b6b7087555723665b0e243de1a9f2d5b018 (diff)
downloadscummvm-rg350-0e8b8f19624f4586f7b967993bcd8244faadc3a6.tar.gz
scummvm-rg350-0e8b8f19624f4586f7b967993bcd8244faadc3a6.tar.bz2
scummvm-rg350-0e8b8f19624f4586f7b967993bcd8244faadc3a6.zip
SCI: uge? and ult? opcodes now work correctly when comparing pointers with 1000.
svn-id: r47683
Diffstat (limited to 'engines')
-rw-r--r--engines/sci/engine/vm.cpp8
1 files changed, 6 insertions, 2 deletions
diff --git a/engines/sci/engine/vm.cpp b/engines/sci/engine/vm.cpp
index 9e61508492..171dfe353b 100644
--- a/engines/sci/engine/vm.cpp
+++ b/engines/sci/engine/vm.cpp
@@ -896,7 +896,9 @@ void run_vm(EngineState *s, int restoring) {
case op_uge_: // 0x14 (20)
s->r_prev = s->r_acc;
r_temp = POP32();
- if (r_temp.segment && s->r_acc.segment)
+ if (s->r_acc == make_reg(0, 0x3e8))
+ s->r_acc = make_reg(0, r_temp.segment);
+ else if (r_temp.segment && s->r_acc.segment)
s->r_acc = make_reg(0, (r_temp.segment == s->r_acc.segment) && r_temp.offset >= s->r_acc.offset);
else
s->r_acc = ACC_ARITHMETIC_L(validate_arithmetic(r_temp) >= /*acc*/);
@@ -905,7 +907,9 @@ void run_vm(EngineState *s, int restoring) {
case op_ult_: // 0x15 (21)
s->r_prev = s->r_acc;
r_temp = POP32();
- if (r_temp.segment && s->r_acc.segment)
+ if (s->r_acc == make_reg(0, 0x3e8))
+ s->r_acc = make_reg(0, !r_temp.segment);
+ else if (r_temp.segment && s->r_acc.segment)
s->r_acc = make_reg(0, (r_temp.segment == s->r_acc.segment) && r_temp.offset < s->r_acc.offset);
else
s->r_acc = ACC_ARITHMETIC_L(validate_arithmetic(r_temp) < /*acc*/);