Mesen-SX/Core/GbMemoryManager.h
Sour 10be89012c GB: Various emulation improvements
-Better OAM DMA emulation
-Better STAT IRQ  emulation
-Better LCD power on state
-Moved DMA logic to GbDmaController
2020-05-24 21:57:38 -04:00

82 lines
1.9 KiB
C++

#pragma once
#include "stdafx.h"
#include "DebugTypes.h"
#include "../Utilities/ISerializable.h"
class Gameboy;
class GbCart;
class GbPpu;
class GbApu;
class GbTimer;
class GbDmaController;
class EmuSettings;
class Console;
class ControlManager;
class GbMemoryManager : public ISerializable
{
private:
Console* _console = nullptr;
EmuSettings* _settings = nullptr;
ControlManager* _controlManager = nullptr;
Gameboy* _gameboy = nullptr;
GbCart* _cart = nullptr;
GbApu* _apu = nullptr;
GbPpu* _ppu = nullptr;
GbTimer* _timer;
GbDmaController* _dmaController;
uint8_t _bootRom[256];
uint8_t* _prgRom = nullptr;
uint32_t _prgRomSize = 0;
uint8_t* _workRam = nullptr;
uint32_t _workRamSize = 0;
uint8_t* _cartRam = nullptr;
uint32_t _cartRamSize = 0;
uint8_t* _highRam = nullptr;
uint8_t* _reads[0x100] = {};
uint8_t* _writes[0x100] = {};
GbMemoryManagerState _state;
public:
virtual ~GbMemoryManager();
GbMemoryManagerState GetState();
void Init(Console* console, Gameboy* gameboy, GbCart* cart, GbPpu* ppu, GbApu* apu, GbTimer* timer, GbDmaController* dmaController);
void MapRegisters(uint16_t start, uint16_t end, RegisterAccess access);
void Map(uint16_t start, uint16_t end, GbMemoryType type, uint32_t offset, bool readonly);
void Unmap(uint16_t start, uint16_t end);
void RefreshMappings();
void Exec();
uint8_t Read(uint16_t addr, MemoryOperationType opType);
bool IsOamDmaRunning();
uint8_t ReadDma(uint16_t addr);
void Write(uint16_t addr, uint8_t value);
uint8_t ReadRegister(uint16_t addr);
void WriteRegister(uint16_t addr, uint8_t value);
void RequestIrq(uint8_t source);
void ClearIrqRequest(uint8_t source);
uint8_t ProcessIrqRequests();
void ToggleSpeed();
bool IsHighSpeed();
uint64_t GetApuCycleCount();
uint8_t ReadInputPort();
uint8_t DebugRead(uint16_t addr);
void DebugWrite(uint16_t addr, uint8_t value);
uint8_t* GetMappedBlock(uint16_t addr);
void Serialize(Serializer& s) override;
};