175 lines
No EOL
3.4 KiB
C++
175 lines
No EOL
3.4 KiB
C++
#pragma once
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#include "stdafx.h"
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#include "BaseCoprocessor.h"
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#include "GsuTypes.h"
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#include "MemoryMappings.h"
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#include "IMemoryHandler.h"
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class Console;
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class Cpu;
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class MemoryManager;
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class EmuSettings;
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class Gsu : public BaseCoprocessor
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{
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private:
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Console *_console;
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MemoryManager *_memoryManager;
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Cpu *_cpu;
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EmuSettings *_settings;
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uint8_t _clockMultiplier;
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GsuState _state;
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uint8_t _cache[512];
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bool _cacheValid[32] = {};
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bool _waitForRomAccess = false;
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bool _waitForRamAccess = false;
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bool _stopped = true;
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bool _r15Changed = false;
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uint32_t _lastOpAddr = 0;
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uint32_t _gsuRamSize = 0;
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uint8_t* _gsuRam = nullptr;
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MemoryMappings _mappings;
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vector<unique_ptr<IMemoryHandler>> _gsuRamHandlers;
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vector<unique_ptr<IMemoryHandler>> _gsuCpuRamHandlers;
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vector<unique_ptr<IMemoryHandler>> _gsuCpuRomHandlers;
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void Exec();
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void InitProgramCache(uint16_t cacheAddr);
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uint8_t ReadOperand();
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uint8_t ReadOpCode();
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uint8_t ReadProgramByte(MemoryOperationType opType);
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uint16_t ReadSrcReg();
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void WriteDestReg(uint16_t value);
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void WriteRegister(uint8_t reg, uint16_t value);
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void ResetFlags();
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void InvalidateCache();
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void WaitRomOperation();
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void WaitRamOperation();
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void WaitForRomAccess();
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void WaitForRamAccess();
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void UpdateRunningState();
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uint8_t ReadRomBuffer();
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uint8_t ReadRamBuffer(uint16_t addr);
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void WriteRam(uint16_t addr, uint8_t value);
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void Step(uint64_t cycles);
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void STOP();
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void NOP();
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void CACHE();
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void Branch(bool branch);
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void BRA();
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void BLT();
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void BGE();
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void BNE();
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void BEQ();
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void BPL();
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void BMI();
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void BCC();
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void BCS();
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void BCV();
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void BVS();
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void JMP(uint8_t reg);
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void TO(uint8_t reg);
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void FROM(uint8_t reg);
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void WITH(uint8_t reg);
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void STORE(uint8_t reg);
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void LOAD(uint8_t reg);
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void LOOP();
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void ALT1();
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void ALT2();
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void ALT3();
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void MERGE();
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void SWAP();
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void PlotRpix();
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void ColorCMode();
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uint16_t GetTileIndex(uint8_t x, uint8_t y);
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uint32_t GetTileAddress(uint8_t x, uint8_t y);
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uint8_t ReadPixel(uint8_t x, uint8_t y);
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bool IsTransparentPixel();
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void DrawPixel(uint8_t x, uint8_t y);
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void FlushPrimaryCache(uint8_t x, uint8_t y);
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void WritePixelCache(GsuPixelCache &cache);
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uint8_t GetColor(uint8_t source);
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void Add(uint8_t reg);
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void SubCompare(uint8_t reg);
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void MULT(uint8_t reg);
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void FMultLMult();
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void AndBitClear(uint8_t reg);
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void SBK();
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void LINK(uint8_t reg);
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void SignExtend();
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void NOT();
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void LSR();
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void ROL();
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void ASR();
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void ROR();
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void LOB();
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void HIB();
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void IbtSmsLms(uint8_t reg);
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void IwtLmSm(uint8_t reg);
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void OrXor(uint8_t reg);
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void INC(uint8_t reg);
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void DEC(uint8_t reg);
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void GetCRamBRomB();
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void GETB();
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public:
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Gsu(Console *console, uint32_t gsuRamSize);
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virtual ~Gsu();
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void ProcessEndOfFrame() override;
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uint8_t ReadGsu(uint32_t addr, MemoryOperationType opType);
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void WriteGsu(uint32_t addr, uint8_t value, MemoryOperationType opType);
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void LoadBattery() override;
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void SaveBattery() override;
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void Run() override;
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void Reset() 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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AddressInfo GetAbsoluteAddress(uint32_t address) override;
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void Serialize(Serializer &s) override;
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GsuState GetState();
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MemoryMappings* GetMemoryMappings();
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uint8_t* DebugGetWorkRam();
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uint32_t DebugGetWorkRamSize();
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void SetReg(GsuRegister reg, uint16_t value);
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}; |