55 lines
1.3 KiB
C++
55 lines
1.3 KiB
C++
#pragma once
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#include "stdafx.h"
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#include "IMemoryHandler.h"
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#include "ROMLoader.h"
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#include "BaseMapper.h"
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#include "Snapshotable.h"
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class MemoryManager: public Snapshotable
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{
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private:
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const int RAMSize = 0x10000;
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const int InternalRAMSize = 0x800;
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const int ExpansionRAMSize = 0x2000;
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const int SRAMSize = 0x2000;
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const int VRAMSize = 0x4000;
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shared_ptr<BaseMapper> _mapper;
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uint8_t *_internalRAM;
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uint8_t *_expansionRAM;
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uint8_t *_SRAM;
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uint8_t *_videoRAM;
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bool _hasExpansionRAM;
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IMemoryHandler** _ramReadHandlers;
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IMemoryHandler** _ramWriteHandlers;
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IMemoryHandler** _vramReadHandlers;
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IMemoryHandler** _vramWriteHandlers;
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uint8_t ReadRegister(uint16_t addr);
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void WriteRegister(uint16_t addr, uint8_t value);
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uint8_t ReadMappedVRAM(uint16_t addr);
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void WriteMappedVRAM(uint16_t addr, uint8_t value);
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protected:
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void StreamState(bool saving);
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public:
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MemoryManager(shared_ptr<BaseMapper> mapper);
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~MemoryManager();
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void InitializeMemoryHandlers(IMemoryHandler** memoryHandlers, IMemoryHandler* handler, vector<uint16_t> *addresses);
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void RegisterIODevice(IMemoryHandler *handler);
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uint8_t Read(uint16_t addr);
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uint16_t ReadWord(uint16_t addr);
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void Write(uint16_t addr, uint8_t value);
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uint8_t ReadVRAM(uint16_t addr);
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void WriteVRAM(uint16_t addr, uint8_t value);
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};
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