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Add MOVEM exclusions.

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This commit is contained in:
Thomas Harte 2022-04-21 15:47:34 -04:00
parent b6b092d124
commit 45c02c31f8
1 changed files with 26 additions and 0 deletions
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26
InstructionSets/68k/Decoder.cpp
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@ -345,6 +345,32 @@ template <uint8_t op, bool validate> Preinstruction Predecoder<model>::validated
case AddressingMode::None:
return Preinstruction();
}
case MOVEMtoMw: case MOVEMtoMl:
switch(original.mode<1>()) {
default: return original;
case AddressingMode::DataRegisterDirect:
case AddressingMode::AddressRegisterDirect:
case AddressingMode::AddressRegisterIndirectWithPostincrement:
case AddressingMode::ImmediateData:
case AddressingMode::ProgramCounterIndirectWithDisplacement:
case AddressingMode::ProgramCounterIndirectWithIndex8bitDisplacement:
case AddressingMode::None:
return Preinstruction();
}
case MOVEMtoRw: case MOVEMtoRl:
switch(original.mode<0>()) {
default: return original;
case AddressingMode::DataRegisterDirect:
case AddressingMode::AddressRegisterDirect:
case AddressingMode::AddressRegisterIndirectWithPredecrement:
case AddressingMode::ImmediateData:
case AddressingMode::None:
return Preinstruction();
}
}
}