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Capture further detail.

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This commit is contained in:
Thomas Harte 2024-03-27 22:36:03 -04:00
parent f38bca37a2
commit 0e17f382a1
1 changed files with 33 additions and 1 deletions
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34
InstructionSets/ARM/Disassembler.hpp
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@ -145,11 +145,43 @@ struct Disassembler {
template <Flags f> void perform(DataProcessing fields) {
constexpr DataProcessingFlags flags(f);
//
instruction_.operand1.type = Operand::Type::Register;
instruction_.operand1.value = fields.operand1();
instruction_.destination.type = Operand::Type::Register;
instruction_.destination.value = fields.destination();
if(flags.operand2_is_immediate()) {
instruction_.operand2.type = Operand::Type::Immediate;
// instruction_.operand2.value = fields.immediate(), fields.rotate();
// TODO: decode immediate.
} else {
instruction_.operand2.type = Operand::Type::Register;
instruction_.operand2.value = fields.operand2();
// TODO: capture shift_type(), etc.
}
instruction_.sets_flags = flags.set_condition_codes();
switch(flags.operation()) {
case DataProcessingOperation::AND: instruction_.operation = Instruction::Operation::AND; break;
case DataProcessingOperation::EOR: instruction_.operation = Instruction::Operation::EOR; break;
case DataProcessingOperation::ORR: instruction_.operation = Instruction::Operation::ORR; break;
case DataProcessingOperation::BIC: instruction_.operation = Instruction::Operation::BIC; break;
case DataProcessingOperation::MOV: instruction_.operation = Instruction::Operation::MOV; break;
case DataProcessingOperation::MVN: instruction_.operation = Instruction::Operation::MVN; break;
case DataProcessingOperation::TST: instruction_.operation = Instruction::Operation::TST; break;
case DataProcessingOperation::TEQ: instruction_.operation = Instruction::Operation::TEQ; break;
case DataProcessingOperation::ADD: instruction_.operation = Instruction::Operation::ADD; break;
case DataProcessingOperation::ADC: instruction_.operation = Instruction::Operation::ADC; break;
case DataProcessingOperation::CMN: instruction_.operation = Instruction::Operation::CMN; break;
case DataProcessingOperation::SUB: instruction_.operation = Instruction::Operation::SUB; break;
case DataProcessingOperation::SBC: instruction_.operation = Instruction::Operation::SBC; break;
case DataProcessingOperation::CMP: instruction_.operation = Instruction::Operation::CMP; break;
case DataProcessingOperation::RSB: instruction_.operation = Instruction::Operation::RSB; break;
case DataProcessingOperation::RSC: instruction_.operation = Instruction::Operation::RSC; break;
}
}
template <Flags> void perform(Multiply) {}