005.h

一个最快NFC的模拟器

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// Mapper 5
class NES_mapper5 : public NES_mapper
{
  friend void adopt_MPRD(SnssMapperBlock* block, NES* nes);
  friend int extract_MPRD(SnssMapperBlock* block, NES* nes);

  friend void adopt_ExMPRD(const char* fn, NES* nes);
  friend void extract_ExMPRD(const char* fn, NES* nes);

public:
  NES_mapper5(NES* parent) : NES_mapper(parent) {}
  ~NES_mapper5() {}

  void  Reset();

  uint8 MemoryReadLow(uint32 addr);
  void  MemoryWriteLow(uint32 addr, uint8 data);
  void  MemoryWriteSaveRAM(uint32 addr, uint8 data);
  void  MemoryWrite(uint32 addr, uint8 data);
  void  HSync(uint32 scanline);
  uint8 PPU_Latch_RenderScreen(uint8 mode, uint32 addr);

protected:
  void MMC5_set_CPU_bank(uint8 page, uint8 bank);
  void MMC5_set_WRAM_bank(uint8 page, uint8 bank);
  void sync_Chr_banks(uint8 page);

  uint32 wb[8];
  uint8 wram[8*0x2000];
  uint8 wram_size;

  uint8 chr_reg[8][2];

  uint8 irq_enabled;
  uint8 irq_status;
  uint32 irq_line;

  uint32 value0;
  uint32 value1;

  uint8 wram_protect0;
  uint8 wram_protect1;
  uint8 prg_size;
  uint8 chr_size;
  uint8 gfx_mode;
  uint8 split_control;
  uint8 split_bank;

private:
};
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