EightBit/LR35902/inc/Disassembler.h

76 lines
1.6 KiB
C
Raw Normal View History

#pragma once
#include <cstdint>
#include <string>
#include <sstream>
#include <boost/format.hpp>
#include "GameBoyBus.h"
namespace EightBit {
namespace GameBoy {
class LR35902;
class Disassembler {
public:
Disassembler(Bus& bus) noexcept;
static std::string state(LR35902& cpu);
std::string disassemble(LR35902& cpu);
static std::string flag(uint8_t value, int flag, const std::string& represents);
static std::string flags(uint8_t value);
static std::string hex(uint8_t value);
static std::string hex(uint16_t value);
static std::string binary(uint8_t value);
static std::string decimal(uint8_t value);
static std::string io(uint8_t value);
static std::string invalid(uint8_t value);
private:
enum class IoRegister {
Abbreviated, // FF00 + dd
Absolute, // FFdd
Register, // C
Unused, // Unused!
};
Bus& m_bus;
mutable boost::format m_formatter;
bool m_prefixCB = false;
void disassemble(std::ostringstream& output, LR35902& cpu, uint16_t pc);
void disassembleCB(
std::ostringstream& output,
LR35902& cpu,
uint16_t pc,
std::string& specification,
int& dumpCount,
int x, int y, int z,
int p, int q);
void disassembleOther(
std::ostringstream& output,
LR35902& cpu,
uint16_t pc,
std::string& specification,
int& dumpCount,
IoRegister& ioRegister,
int x, int y, int z,
int p, int q);
std::string RP(int rp) const;
std::string RP2(int rp) const;
std::string R(int r) const;
static std::string cc(int flag);
static std::string alu(int which);
Bus& BUS() { return m_bus; }
};
}
}