39 lines
664 B
C
39 lines
664 B
C
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#pragma once
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#include <cstdint>
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#include <memory>
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#include <array>
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struct Instruction;
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class Bus;
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struct CPUContext {
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Instruction& m_Instruction;
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uint64_t& m_InstructionPointer;
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uint64_t& m_Flags;
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uint64_t* m_Registers;
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std::shared_ptr<Bus> m_Bus;
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CPUContext(Instruction& i, uint64_t& ip, uint64_t& flags, uint64_t* reg, std::shared_ptr<Bus>& bus);
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~CPUContext();
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};
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enum class ModRMState : uint8_t
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{
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INVALID = 0,
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LR = 1,
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LR_DISP8 = 2,
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LR_DISP32 = 3,
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R = 4
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};
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struct ModRM{
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ModRMState m_State;
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uint8_t m_Reg;
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uint8_t m_Rm;
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};
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typedef void (*ExecutorCase)(CPUContext&);
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const std::array<ExecutorCase, 255>& GetExecutorTable();
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