src/ExecutorCases.h


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#pragma once

#include <cstdint>
#include <memory>
#include <array>

struct CPUContext;

typedef void (*ExecutorCase)(CPUContext&);

enum OperandEncoding : uint8_t {
  ZO   =   0b00000000,
  RM   =   0b00000001,
  MR   =   0b00000010,
  MI   =   0b00000100,
  OI   =   0b00001000,
  I32  =   0b00100000,
  I16  =   0b01000000,
  I8   =   0b10000000,
};

struct InstructionEntry {
  ExecutorCase m_Executor;
  OperandEncoding m_Encoding;
};

const std::array<InstructionEntry, 256>& GetInstructionTable();

const std::array<ExecutorCase, 256>& GetExecutorTable();

namespace executor_cases::helpers {
  uint32_t ResolveModRMAddress(CPUContext& cc);
}