diff options
Diffstat (limited to '013direct_addressing.cc')
| -rw-r--r-- | 013direct_addressing.cc | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/013direct_addressing.cc b/013direct_addressing.cc index 729b4d08..2450e54c 100644 --- a/013direct_addressing.cc +++ b/013direct_addressing.cc @@ -321,10 +321,8 @@ case 0xaf: { // multiply r32 by r/m32 trace(Callstack_depth+1, "run") << "multiply " << rname(arg1) << " by r/m32" << end(); const int32_t* arg2 = effective_address(modrm); int32_t result = Reg[arg1].i * (*arg2); - SF = (Reg[arg1].i < 0); - ZF = (Reg[arg1].i == 0); int64_t full_result = static_cast<int64_t>(Reg[arg1].i) * (*arg2); - OF = (Reg[arg1].i != full_result); + OF = (result != full_result); CF = OF; trace(Callstack_depth+1, "run") << "SF=" << SF << "; ZF=" << ZF << "; CF=" << CF << "; OF=" << OF << end(); Reg[arg1].i = result; |