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60 lines
1.6 KiB
C++
60 lines
1.6 KiB
C++
#pragma once
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#include "stdafx.h"
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#include "IMemoryHandler.h"
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#include "Snapshotable.h"
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#include "OpenBusHandler.h"
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#include "InternalRamHandler.h"
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class BaseMapper;
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class Console;
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class MemoryManager : public Snapshotable
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{
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private:
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static constexpr int RAMSize = 0x10000;
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static constexpr int VRAMSize = 0x4000;
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shared_ptr<Console> _console;
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shared_ptr<BaseMapper> _mapper;
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uint8_t *_internalRAM;
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OpenBusHandler _openBusHandler;
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InternalRamHandler<0x7FF> _internalRamHandler;
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IMemoryHandler** _ramReadHandlers;
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IMemoryHandler** _ramWriteHandlers;
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void InitializeMemoryHandlers(IMemoryHandler** memoryHandlers, IMemoryHandler* handler, vector<uint16_t> *addresses, bool allowOverride);
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protected:
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void StreamState(bool saving) override;
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public:
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static const int InternalRAMSize = 0x800;
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MemoryManager(shared_ptr<Console> console);
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~MemoryManager();
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void SetMapper(shared_ptr<BaseMapper> mapper);
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void Reset(bool softReset);
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void RegisterIODevice(IMemoryHandler *handler);
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void RegisterWriteHandler(IMemoryHandler* handler, uint32_t start, uint32_t end);
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void UnregisterIODevice(IMemoryHandler *handler);
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uint8_t DebugRead(uint16_t addr, bool disableSideEffects = true);
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uint16_t DebugReadWord(uint16_t addr);
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void DebugWrite(uint16_t addr, uint8_t value, bool disableSideEffects = true);
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uint8_t* GetInternalRAM();
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uint8_t Read(uint16_t addr, MemoryOperationType operationType = MemoryOperationType::Read);
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void Write(uint16_t addr, uint8_t value, MemoryOperationType operationType);
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uint32_t ToAbsolutePrgAddress(uint16_t ramAddr);
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uint8_t GetOpenBus(uint8_t mask = 0xFF);
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};
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