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UserspaceEmulator: Implement MUL_RM32

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This commit is contained in:
Andreas Kling 2020-07-15 17:16:37 +02:00
parent 029fe56d69
commit 76b2a2789b
1 changed files with 11 additions and 1 deletions
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12
DevTools/UserspaceEmulator/SoftCPU.cpp
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@ -1288,7 +1288,17 @@ void SoftCPU::MOV_reg8_imm8(const X86::Instruction& insn)
void SoftCPU::MOV_seg_RM16(const X86::Instruction&) { TODO(); }
void SoftCPU::MOV_seg_RM32(const X86::Instruction&) { TODO(); }
void SoftCPU::MUL_RM16(const X86::Instruction&) { TODO(); }
void SoftCPU::MUL_RM32(const X86::Instruction&) { TODO(); }
void SoftCPU::MUL_RM32(const X86::Instruction& insn)
{
u64 result = (u64)eax() * (u64)insn.modrm().read32(*this, insn);
set_eax(result & 0xffffffff);
set_edx(result >> 32);
set_cf(edx() != 0);
set_of(edx() != 0);
}
void SoftCPU::MUL_RM8(const X86::Instruction&) { TODO(); }
void SoftCPU::NEG_RM16(const X86::Instruction& insn)