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Add 80386 segment overrides.

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This commit is contained in:
Thomas Harte 2022-03-05 17:03:46 -05:00
parent eb180656bb
commit 3a8eb4a4f0
1 changed files with 8 additions and 0 deletions
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8
InstructionSets/x86/Decoder.cpp
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@ -178,6 +178,14 @@ std::pair<int, typename Decoder<model>::InstructionT> Decoder<model>::decode(con
RequiresMin(i80286);
MemRegReg(ARPL, MemReg_Reg, DataSize::Word);
break;
case 0x64:
RequiresMin(i80386);
segment_override_ = Source::FS;
break;
case 0x65:
RequiresMin(i80386);
segment_override_ = Source::GS;
break;
case 0x66:
RequiresMin(i80386);
data_size_ = DataSize(int(default_data_size_) ^ int(DataSize::Word) ^ int(DataSize::DWord));