{

public:

enum REGISTER

{

GIF_MODE = 0x10003010,

GIF_STAT = 0x10003020

};

enum

{

GIF_STAT_M3P = 0x002,

GIF_STAT_OPH = 0x200,

GIF_STAT_APATH3 = 0xC00,

};

enum

{

REGS_START = 0x10003000,

REGS_END = 0x100030B0,

GIF_FIFO_START = 0x10006000,

GIF_FIFO_END = 0x10006FFF,

};

struct TAG

{

unsigned int loops : 15;

unsigned int eop : 1;

unsigned int reserved0 : 16;

unsigned int reserved1 : 14;

unsigned int pre : 1;

unsigned int prim : 11;

unsigned int cmd : 2;

unsigned int nreg : 4;

uint64 regs;

};

static_assert(sizeof(TAG) == 0x10, "Size of TAG must be 16 bytes.");

CGIF(CGSHandler*&, CDMAC&, uint8*, uint8*);

virtual ~CGIF() = default;

void Reset();

uint32 ReceiveDMA(uint32, uint32, uint32, bool);

uint32 ProcessSinglePacket(const uint8*, uint32, uint32, uint32, const CGsPacketMetadata&);

uint32 ProcessMultiplePackets(const uint8*, uint32, uint32, uint32, const CGsPacketMetadata&);

void CountTicks(uint32);

uint32 GetRegister(uint32);

void SetRegister(uint32, uint32);

CGSHandler* GetGsHandler();

uint32 GetActivePath() const;

void SetPath3Masked(bool);

void LoadState(Framework::CZipArchiveReader&);

void SaveState(Framework::CZipArchiveWriter&);

private:

enum

{

FIFO_QWC = 0x10,

FIFO_SIZE = FIFO_QWC * 0x10,

};

enum SIGNAL_STATE

{

SIGNAL_STATE_NONE,

SIGNAL_STATE_ENCOUNTERED,

SIGNAL_STATE_PENDING,

};

enum MASKED_PATH3_XFER_STATE

{

MASKED_PATH3_XFER_NONE,

MASKED_PATH3_XFER_PROCESSING,

MASKED_PATH3_XFER_DONE,

};

uint32 ProcessPacked(const uint8*, uint32, uint32);

uint32 ProcessRegList(const uint8*, uint32, uint32);

uint32 ProcessImage(const uint8*, uint32, uint32, uint32);

void ProcessFifoWrite(uint32, uint32);

void DrainFifo();

void DisassembleGet(uint32);

void DisassembleSet(uint32, uint32);

bool m_path3Masked = false;

uint32 m_activePath = 0;

uint32 m_MODE = 0;

uint16 m_loops = 0;

uint8 m_cmd = 0;

uint8 m_regs = 0;

uint8 m_regsTemp = 0;

uint64 m_regList = 0;

bool m_eop = false;

uint32 m_qtemp;

SIGNAL_STATE m_signalState = SIGNAL_STATE_NONE;

MASKED_PATH3_XFER_STATE m_maskedPath3XferState = MASKED_PATH3_XFER_NONE;

int32 m_path3XferActiveTicks = 0;

uint8 m_fifoBuffer[FIFO_SIZE];

uint32 m_fifoIndex = 0;

uint8* m_ram;

uint8* m_spr;

CGSHandler*& m_gs;

CDMAC& m_dmac;

CProfiler::ZoneHandle m_gifProfilerZone = 0;