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UserspaceEmulator: Convert the XOR instruction to inline assembly

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This commit is contained in:
Andreas Kling 2020-07-11 15:55:00 +02:00
parent 9db588daf1
commit 76b9fb258d
2 changed files with 31 additions and 6 deletions
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6
DevTools/UserspaceEmulator/SoftCPU.h
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@ -213,6 +213,12 @@ public:
m_eflags |= new_flags & (Flags::OF | Flags::SF | Flags::ZF | Flags::AF | Flags::PF);
}
void set_flags_oszpc(u32 new_flags)
{
m_eflags &= ~(Flags::OF | Flags::SF | Flags::ZF | Flags::PF | Flags::CF);
m_eflags |= new_flags & (Flags::OF | Flags::SF | Flags::ZF | Flags::PF | Flags::CF);
}
u16 cs() const { return m_segment[(int)X86::SegmentRegister::CS]; }
u16 ds() const { return m_segment[(int)X86::SegmentRegister::DS]; }
u16 es() const { return m_segment[(int)X86::SegmentRegister::ES]; }