44 lines
952 B
C++
44 lines
952 B
C++
#pragma once
|
|
|
|
#include "stdafx.h"
|
|
#include "IMemoryHandler.h"
|
|
#include "ROMLoader.h"
|
|
|
|
class MemoryManager
|
|
{
|
|
private:
|
|
const int InternalRAMSize = 0x800;
|
|
const int SRAMSize = 0x2000;
|
|
const int VRAMSize = 0x4000;
|
|
|
|
NESHeader _header;
|
|
MirroringType _mirroringType;
|
|
|
|
uint8_t *_internalRAM;
|
|
uint8_t *_expansionRAM;
|
|
uint8_t *_SRAM;
|
|
uint8_t *_videoRAM;
|
|
|
|
vector<IMemoryHandler*> _ramHandlers;
|
|
vector<IMemoryHandler*> _vramHandlers;
|
|
|
|
uint8_t ReadRegister(uint16_t addr);
|
|
void WriteRegister(uint16_t addr, uint8_t value);
|
|
|
|
uint8_t ReadMappedVRAM(uint16_t addr);
|
|
void WriteMappedVRAM(uint16_t addr, uint8_t value);
|
|
|
|
public:
|
|
MemoryManager(NESHeader header);
|
|
~MemoryManager();
|
|
|
|
void RegisterIODevice(IMemoryHandler *handler);
|
|
|
|
uint8_t Read(uint16_t addr);
|
|
uint16_t ReadWord(uint16_t addr);
|
|
void Write(uint16_t addr, uint8_t value);
|
|
|
|
uint8_t ReadVRAM(uint16_t addr);
|
|
void WriteVRAM(uint16_t addr, uint8_t value);
|
|
};
|
|
|