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https://github.com/SourMesen/Mesen-S.git
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85 lines
1.9 KiB
C++
85 lines
1.9 KiB
C++
#pragma once
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#include "stdafx.h"
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#include "BaseCoprocessor.h"
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#include "Spc7110Decomp.h"
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#include "Rtc4513.h"
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class Console;
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class Spc7110Decomp;
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class IMemoryHandler;
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class BaseCartridge;
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class Spc7110 : public BaseCoprocessor
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{
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private:
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unique_ptr<Spc7110Decomp> _decomp;
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unique_ptr<Rtc4513> _rtc;
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IMemoryHandler* _cpuRegisterHandler = nullptr;
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Console* _console = nullptr;
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BaseCartridge* _cart = nullptr;
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bool _useRtc = false;
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uint32_t _realDataRomSize = 0;
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//Decomp
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uint32_t _directoryBase = 0;
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uint8_t _directoryIndex = 0;
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uint16_t _targetOffset = 0;
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uint16_t _dataLengthCounter = 0;
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uint8_t _skipBytes = 0;
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uint8_t _decompFlags = 0;
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uint8_t _decompMode = 0;
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uint32_t _srcAddress = 0;
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uint32_t _decompOffset = 0;
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uint8_t _decompStatus = 0;
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uint8_t _decompBuffer[32];
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//ALU
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uint32_t _dividend = 0;
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uint16_t _multiplier = 0;
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uint16_t _divisor = 0;
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uint32_t _multDivResult = 0;
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uint16_t _remainder = 0;
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uint8_t _aluState = 0;
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uint8_t _aluFlags = 0;
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//Memory mappings
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uint8_t _sramEnabled = 0;
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uint8_t _dataRomBanks[3] = { 0, 1, 2 };
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uint8_t _dataRomSize = 0;
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//Data rom
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uint32_t _readBase = 0;
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uint16_t _readOffset = 0;
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uint16_t _readStep = 0;
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uint8_t _readMode = 0;
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uint8_t _readBuffer = 0;
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void ProcessMultiplication();
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void ProcessDivision();
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void FillReadBuffer();
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void IncrementPosition();
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void IncrementPosition4810();
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void LoadEntryHeader();
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void BeginDecompression();
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uint8_t ReadDecompressedByte();
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public:
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Spc7110(Console* console, bool useRtc);
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uint8_t ReadDataRom(uint32_t addr);
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void Serialize(Serializer& s) override;
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uint8_t Read(uint32_t addr) override;
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uint8_t Peek(uint32_t addr) override;
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void PeekBlock(uint32_t addr, uint8_t* output) override;
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void Write(uint32_t addr, uint8_t value) override;
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void UpdateMappings();
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AddressInfo GetAbsoluteAddress(uint32_t address) override;
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void Reset() override;
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void LoadBattery() override;
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void SaveBattery() override;
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}; |