User:Zzo38/Emulator plugin format

Mapper

#define OPEN_BUS 0xFFFF
#define CIRAM_BANK_0 0x8000
#define CIRAM_BANK_1 0x8400
#define BUS_CONFLICT 0x1000

typedef struct Mapper {
  // Provided by host
  NSF_Interface*nsf;
  const U8*prg_rom;
  U8*prg_ram;
  U8*prg_battery_ram;
  const U8*chr_rom;
  U8*chr_ram;
  U8*chr_battery_ram;
  // Provided by plugin
  void(*destroy)(Mapper*);
  void(*reset)(Mapper*);
  U16(*prg_read)(Mapper*,U16);
  U16(*prg_write)(Mapper*,U16,U8);
  U16(*chr_access)(Mapper*,U16);
  U16(*chr_read)(Mapper*,U16);
  U16(*chr_write)(Mapper*,U16,U8);
  void(*quick_save)(Mapper*,U8*);
  void(*quick_restore)(Mapper*,U8*);
} Mapper;

typedef struct Mapper_Info {
  U8 version; // R
  U8 mirroring; // R
  U16 id; // R
  U32 prg_rom_size; // R
  U32 prg_ram_size; // R/W
  U32 prg_battery_ram_size; // R/W
  U32 chr_rom_size; // R
  U32 chr_ram_size; // R/W
  U32 chr_battery_ram_size; // R/W
  FILE*ines; // R
  int save_size; // W
  U8 audio_ext; // W
} Mapper_Info;

int define_mapper(U16 id,const char*name,(Mapper*)(*init)(Mapper_Info*));

Input device

typedef struct InputDevice {
  // Provided by host
  U16 sound; // class 0 only
  U8 light;
  void(*irq_write)(InputDevice*,int); // class 0 only
  int(*irq_read)(InputDevice*); // class 0 only
  void(*display)(InputDevice*,UserDisplay*);
  // Provided by plugin
  void(*destroy)(InputDevice*);
  void(*connect)(InputDevice*);
  void(*disconnect)(InputDevice*);
  U8(*read)(InputDevice*);
  U8(*read_other)(InputDevice*); // class 0 only
  void(*write)(InputDevice*,U8);
  void(*note_off)(InputDevice*,U8,U8,U8);
  void(*note_on)(InputDevice*,U8,U8,U8);
  void(*key_pressure)(InputDevice*,U8,U8,U8);
  void(*parameter)(InputDevice*,U8,U8,U8);
  void(*program)(InputDevice*,U8,U8);
  void(*channel_pressure)(InputDevice*,U8,U8);
  void(*pitch_wheel)(InputDevice*,U8,U16);
  void(*sysex)(InputDevice*,U8*,U32);
  void(*tune_request)(InputDevice*);
} InputDevice;

int define_input_device(const char*name,int class,(InputDevice*)(*init)(void));