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41 lines
850 B
C++
41 lines
850 B
C++
//
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// Instruction.hpp
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// Clock Signal
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//
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// Created by Thomas Harte on 16/02/2024.
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// Copyright © 2024 Thomas Harte. All rights reserved.
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//
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#pragma once
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#include "Decoder.hpp"
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#include "Model.hpp"
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#include "Operation.hpp"
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namespace InstructionSet::ARM {
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/*
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//
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// LDR and STR.
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//
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struct SingleDataTransfer {
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constexpr SingleDataTransfer(uint32_t opcode) noexcept : opcode_(opcode) {}
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/// The destination register index. i.e. 'Rd' for LDR.
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int destination() const { return (opcode_ >> 12) & 0xf; }
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/// The destination register index. i.e. 'Rd' for STR.
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int source() const { return (opcode_ >> 12) & 0xf; }
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/// The base register index. i.e. 'Rn'.
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int base() const { return (opcode_ >> 16) & 0xf; }
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///
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int offset() const { return opcode_ & 0xfff; }
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// TODO: P, U, B, W, L, I.
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*/
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}
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