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UserspaceEmulator: Fix XCHG_AX_reg16 overwriting entire EAX

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This instruction should only write to the lower 16 bits (AX)
This commit is contained in:
Andreas Kling 2020-07-18 00:16:51 +02:00
parent 8959f9950a
commit becbf36711
1 changed files with 1 additions and 1 deletions
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2
DevTools/UserspaceEmulator/SoftCPU.cpp
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@ -2138,7 +2138,7 @@ void SoftCPU::XCHG_AX_reg16(const X86::Instruction& insn)
{ {
auto temp = gpr16(insn.reg16()); auto temp = gpr16(insn.reg16());
gpr16(insn.reg16()) = eax(); gpr16(insn.reg16()) = eax();
set_eax(temp); set_ax(temp);
} }
void SoftCPU::XCHG_EAX_reg32(const X86::Instruction& insn) void SoftCPU::XCHG_EAX_reg32(const X86::Instruction& insn)