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121 lines
3.9 KiB
C++
121 lines
3.9 KiB
C++
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//
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// InstructionOperandSize.hpp
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// Clock Signal
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//
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// Created by Thomas Harte on 09/05/2022.
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// Copyright © 2022 Thomas Harte. All rights reserved.
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//
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#ifndef InstructionSets_68k_InstructionOperandSize_hpp
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#define InstructionSets_68k_InstructionOperandSize_hpp
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namespace InstructionSet {
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namespace M68k {
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constexpr DataSize operand_size(Operation operation) {
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switch(operation) {
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// These are given a value arbitrarily, to
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// complete the switch statement.
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case Operation::Undefined:
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case Operation::NOP:
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case Operation::STOP:
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case Operation::RESET:
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case Operation::RTE: case Operation::RTR:
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case Operation::TRAP:
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case Operation::TRAPV:
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case Operation::ABCD: case Operation::SBCD:
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case Operation::NBCD:
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case Operation::ADDb: case Operation::ADDXb:
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case Operation::SUBb: case Operation::SUBXb:
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case Operation::MOVEb:
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case Operation::ORItoCCR:
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case Operation::ANDItoCCR:
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case Operation::EORItoCCR:
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case Operation::BTST: case Operation::BCLR:
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case Operation::BCHG: case Operation::BSET:
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case Operation::CMPb: case Operation::TSTb:
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case Operation::Bccb: case Operation::BSRb:
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case Operation::CLRb:
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case Operation::Scc:
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case Operation::NEGXb: case Operation::NEGb:
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case Operation::ASLb: case Operation::ASRb:
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case Operation::LSLb: case Operation::LSRb:
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case Operation::ROLb: case Operation::RORb:
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case Operation::ROXLb: case Operation::ROXRb:
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case Operation::ANDb: case Operation::EORb:
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case Operation::NOTb: case Operation::ORb:
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case Operation::TAS:
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return DataSize::Byte;
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case Operation::ADDw: case Operation::ADDAw:
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case Operation::ADDXw: case Operation::SUBw:
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case Operation::SUBAw: case Operation::SUBXw:
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case Operation::MOVEw: case Operation::MOVEAw:
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case Operation::ORItoSR:
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case Operation::ANDItoSR:
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case Operation::EORItoSR:
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case Operation::MOVEtoSR:
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case Operation::MOVEfromSR:
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case Operation::MOVEtoCCR:
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case Operation::CMPw: case Operation::CMPAw:
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case Operation::TSTw:
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case Operation::DBcc:
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case Operation::Bccw: case Operation::BSRw:
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case Operation::CLRw:
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case Operation::NEGXw: case Operation::NEGw:
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case Operation::ASLw: case Operation::ASLm:
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case Operation::ASRw: case Operation::ASRm:
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case Operation::LSLw: case Operation::LSLm:
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case Operation::LSRw: case Operation::LSRm:
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case Operation::ROLw: case Operation::ROLm:
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case Operation::RORw: case Operation::RORm:
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case Operation::ROXLw: case Operation::ROXLm:
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case Operation::ROXRw: case Operation::ROXRm:
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case Operation::MOVEMtoRw:
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case Operation::MOVEMtoRl:
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case Operation::MOVEMtoMw:
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case Operation::MOVEMtoMl:
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case Operation::MOVEPw:
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case Operation::ANDw: case Operation::EORw:
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case Operation::NOTw: case Operation::ORw:
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case Operation::DIVU: case Operation::DIVS:
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case Operation::MULU: case Operation::MULS:
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case Operation::EXTbtow:
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case Operation::LINKw:
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case Operation::CHK:
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return DataSize::Word;
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case Operation::ADDl: case Operation::ADDAl:
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case Operation::ADDXl: case Operation::SUBl:
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case Operation::SUBAl: case Operation::SUBXl:
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case Operation::MOVEl: case Operation::MOVEAl:
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case Operation::LEA: case Operation::PEA:
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case Operation::EXG: case Operation::SWAP:
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case Operation::MOVEtoUSP:
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case Operation::MOVEfromUSP:
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case Operation::CMPl: case Operation::CMPAl:
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case Operation::TSTl:
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case Operation::JMP: case Operation::JSR:
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case Operation::RTS:
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case Operation::Bccl: case Operation::BSRl:
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case Operation::CLRl:
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case Operation::NEGXl: case Operation::NEGl:
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case Operation::ASLl: case Operation::ASRl:
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case Operation::LSLl: case Operation::LSRl:
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case Operation::ROLl: case Operation::RORl:
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case Operation::ROXLl: case Operation::ROXRl:
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case Operation::MOVEPl:
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case Operation::ANDl: case Operation::EORl:
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case Operation::NOTl: case Operation::ORl:
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case Operation::EXTwtol:
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case Operation::UNLINK:
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return DataSize::LongWord;
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}
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}
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}
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}
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#endif /* InstructionSets_68k_InstructionOperandSize_hpp */
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