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https://github.com/jpd002/Play-.git
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125 lines
2.5 KiB
C++
125 lines
2.5 KiB
C++
#pragma once
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#include "Types.h"
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#include "zip/ZipArchiveWriter.h"
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#include "zip/ZipArchiveReader.h"
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#include "../gs/GSHandler.h"
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#include "../Profiler.h"
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class CDMAC;
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class CGIF
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{
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public:
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enum REGISTER
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{
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GIF_MODE = 0x10003010,
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GIF_STAT = 0x10003020
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};
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enum
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{
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GIF_STAT_M3P = 0x002,
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GIF_STAT_OPH = 0x200,
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GIF_STAT_APATH3 = 0xC00,
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};
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enum
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{
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REGS_START = 0x10003000,
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REGS_END = 0x100030B0,
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GIF_FIFO_START = 0x10006000,
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GIF_FIFO_END = 0x10006FFF,
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};
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struct TAG
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{
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unsigned int loops : 15;
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unsigned int eop : 1;
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unsigned int reserved0 : 16;
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unsigned int reserved1 : 14;
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unsigned int pre : 1;
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unsigned int prim : 11;
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unsigned int cmd : 2;
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unsigned int nreg : 4;
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uint64 regs;
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};
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static_assert(sizeof(TAG) == 0x10, "Size of TAG must be 16 bytes.");
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CGIF(CGSHandler*&, CDMAC&, uint8*, uint8*);
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virtual ~CGIF() = default;
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void Reset();
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uint32 ReceiveDMA(uint32, uint32, uint32, bool);
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uint32 ProcessSinglePacket(const uint8*, uint32, uint32, uint32, const CGsPacketMetadata&);
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uint32 ProcessMultiplePackets(const uint8*, uint32, uint32, uint32, const CGsPacketMetadata&);
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void CountTicks(uint32);
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uint32 GetRegister(uint32);
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void SetRegister(uint32, uint32);
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CGSHandler* GetGsHandler();
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uint32 GetActivePath() const;
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void SetPath3Masked(bool);
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void LoadState(Framework::CZipArchiveReader&);
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void SaveState(Framework::CZipArchiveWriter&);
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private:
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enum
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{
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FIFO_QWC = 0x10,
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FIFO_SIZE = FIFO_QWC * 0x10,
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};
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enum SIGNAL_STATE
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{
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SIGNAL_STATE_NONE,
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SIGNAL_STATE_ENCOUNTERED,
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SIGNAL_STATE_PENDING,
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};
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enum MASKED_PATH3_XFER_STATE
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{
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MASKED_PATH3_XFER_NONE,
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MASKED_PATH3_XFER_PROCESSING,
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MASKED_PATH3_XFER_DONE,
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};
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uint32 ProcessPacked(const uint8*, uint32, uint32);
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uint32 ProcessRegList(const uint8*, uint32, uint32);
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uint32 ProcessImage(const uint8*, uint32, uint32, uint32);
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void ProcessFifoWrite(uint32, uint32);
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void DrainFifo();
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void DisassembleGet(uint32);
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void DisassembleSet(uint32, uint32);
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bool m_path3Masked = false;
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uint32 m_activePath = 0;
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uint32 m_MODE = 0;
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uint16 m_loops = 0;
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uint8 m_cmd = 0;
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uint8 m_regs = 0;
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uint8 m_regsTemp = 0;
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uint64 m_regList = 0;
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bool m_eop = false;
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uint32 m_qtemp;
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SIGNAL_STATE m_signalState = SIGNAL_STATE_NONE;
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MASKED_PATH3_XFER_STATE m_maskedPath3XferState = MASKED_PATH3_XFER_NONE;
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int32 m_path3XferActiveTicks = 0;
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uint8 m_fifoBuffer[FIFO_SIZE];
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uint32 m_fifoIndex = 0;
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uint8* m_ram;
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uint8* m_spr;
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CGSHandler*& m_gs;
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CDMAC& m_dmac;
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CProfiler::ZoneHandle m_gifProfilerZone = 0;
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};
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