RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-10-31 01:02:45 +00:00
Code Issues Activity Actions

UserspaceEmulator: Add the NOT instruction (with bonus: NOP!)

Browse source
This commit is contained in:
Andreas Kling 2020-07-13 13:40:45 +02:00
parent 5ecbfd8451
commit dba6f9b24b
1 changed files with 19 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

23
DevTools/UserspaceEmulator/SoftCPU.cpp
View file

@ -1272,10 +1272,25 @@ void SoftCPU::NEG_RM8(const X86::Instruction& insn)
insn.modrm().write8(*this, insn, op_sub<u8>(*this, 0, insn.modrm().read8(*this, insn)));
}
void SoftCPU::NOP(const X86::Instruction&) { TODO(); }
void SoftCPU::NOT_RM16(const X86::Instruction&) { TODO(); }
void SoftCPU::NOT_RM32(const X86::Instruction&) { TODO(); }
void SoftCPU::NOT_RM8(const X86::Instruction&) { TODO(); }
void SoftCPU::NOP(const X86::Instruction&)
{
}
void SoftCPU::NOT_RM16(const X86::Instruction& insn)
{
insn.modrm().write16(*this, insn, ~insn.modrm().read16(*this, insn));
}
void SoftCPU::NOT_RM32(const X86::Instruction& insn)
{
insn.modrm().write32(*this, insn, ~insn.modrm().read32(*this, insn));
}
void SoftCPU::NOT_RM8(const X86::Instruction& insn)
{
insn.modrm().write8(*this, insn, ~insn.modrm().read8(*this, insn));
}
void SoftCPU::OUTSB(const X86::Instruction&) { TODO(); }
void SoftCPU::OUTSD(const X86::Instruction&) { TODO(); }
void SoftCPU::OUTSW(const X86::Instruction&) { TODO(); }