mirror of
https://github.com/SourMesen/Mesen2.git
synced 2025-04-02 10:21:44 -04:00
d72658de7a
+ Added option to save directly to the original rom file instead of creating .ips files (for FDS & cartridges with flashable prg/chr rom)
130 lines
No EOL
3.2 KiB
C++
130 lines
No EOL
3.2 KiB
C++
#pragma once
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#include "pch.h"
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#include "NES/BaseMapper.h"
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#include "NES/Loaders/FdsLoader.h"
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#include "NES/Mappers/FDS/FdsInputButtons.h"
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class FdsAudio;
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class NesCpu;
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class NesMemoryManager;
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class Fds : public BaseMapper
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{
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private:
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static constexpr uint32_t NoDiskInserted = 0xFF;
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bool _disableAutoInsertDisk = false;
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unique_ptr<FdsAudio> _audio;
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shared_ptr<FdsInputButtons> _input;
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NesConfig* _settings = nullptr;
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NesCpu* _cpu = nullptr;
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NesMemoryManager* _memoryManager = nullptr;
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//Write registers
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uint16_t _irqReloadValue = 0;
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uint16_t _irqCounter = 0;
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bool _irqEnabled = false;
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bool _irqRepeatEnabled = false;
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bool _diskRegEnabled = true;
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bool _soundRegEnabled = true;
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uint8_t _writeDataReg = 0;
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bool _motorOn = false;
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bool _resetTransfer = false;
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bool _readMode = false;
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bool _crcControl = false;
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bool _diskReady = false;
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bool _diskIrqEnabled = false;
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int32_t _autoDiskEjectCounter = -1;
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int32_t _autoDiskSwitchCounter = -1;
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int32_t _restartAutoInsertCounter = -1;
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uint32_t _previousFrame = 0;
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int32_t _lastDiskCheckFrame = 0;
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int32_t _successiveChecks = 0;
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uint32_t _previousDiskNumber = Fds::NoDiskInserted;
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uint8_t _extConWriteReg = 0;
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//Read registers
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bool _badCrc = false;
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bool _endOfHead = false;
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bool _readWriteEnabled = false;
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uint8_t _readDataReg = 0;
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bool _diskWriteProtected = false;
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//Internal values
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uint32_t _diskNumber = Fds::NoDiskInserted;
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uint32_t _diskPosition = 0;
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uint32_t _delay = 0;
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uint16_t _crcAccumulator = 0;
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bool _previousCrcControlFlag = false;
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bool _gapEnded = true;
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bool _scanningDisk = false;
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bool _transferComplete = false;
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bool _useQdFormat = false;
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vector<uint8_t> _fdsRawData;
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vector<vector<uint8_t>> _fdsDiskSides;
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vector<vector<uint8_t>> _fdsDiskHeaders;
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vector<vector<uint8_t>> _orgDiskSides;
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vector<vector<uint8_t>> _orgDiskHeaders;
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bool _gameStarted = false;
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bool _needSave = false;
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protected:
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uint16_t GetPrgPageSize() override { return 0x2000; }
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uint16_t GetChrPageSize() override { return 0x2000; }
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uint32_t GetWorkRamPageSize() override { return 0x8000; }
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uint32_t GetWorkRamSize() override { return 0x8000; }
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uint16_t RegisterStartAddress() override { return 0x4020; }
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uint16_t RegisterEndAddress() override { return 0x4092; }
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bool AllowRegisterRead() override { return true; }
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bool EnableCpuClockHook() override { return true; }
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void InitMapper() override;
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void InitMapper(RomData &romData) override;
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void LoadDiskData(vector<uint8_t> ipsData = vector<uint8_t>());
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vector<uint8_t> CreateIpsPatch();
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void Reset(bool softReset) override;
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uint32_t GetFdsDiskSideSize(uint8_t side);
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uint8_t ReadFdsDisk();
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void WriteFdsDisk(uint8_t value);
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void ProcessAutoDiskInsert();
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void ClockIrq();
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void ProcessCpuClock() override;
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void UpdateCrc(uint8_t value);
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void WriteRegister(uint16_t addr, uint8_t value) override;
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uint8_t ReadRegister(uint16_t addr) override;
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uint8_t ReadRam(uint16_t addr) override;
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void Serialize(Serializer& s) override;
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vector<MapperStateEntry> GetMapperStateEntries() override;
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public:
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~Fds();
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void SaveBattery() override;
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uint32_t GetSideCount();
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void EjectDisk();
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void InsertDisk(uint32_t diskNumber);
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uint32_t GetCurrentDisk();
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bool IsDiskInserted();
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bool IsAutoInsertDiskEnabled();
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}; |