Exemplo n.º 1
0
int main (int argc, char *argv[])
{
#ifdef HW_RVL
  /* initialize DVD device */
  DI_Init();
#endif

  u16 usBetweenFrames;
  long long now, prev;
  
  /* Initialize OGC subsystems */
  ogc_video__init();
  ogc_input__init();
  ogc_audio__init();

#ifdef HW_DOL
  /* Initialize GC DVD interface */
  DVD_Init ();
  dvd_drive_detect();
#endif

#ifdef HW_RVL
  /* Power Button callback */
  SYS_SetPowerCallback(Power_Off);
#endif

  /* Initialize FAT Interface */
  if (fatInitDefault() == true)
  {
    fat_enabled = 1;
  }

  /* Default Config */
  legal();
  set_option_defaults ();
  config_load();
#ifdef HW_RVL
  /* Load SMB Settings */
  loadSettings();
#endif

  /* Restore Recent Files list */
  set_history_defaults();
  history_load();

  /* Initialize Virtual Machine */
  init_machine ();

  /* Show Menu */
  MainMenu();
  ConfigRequested = 0;

  /* Initialize Frame timings */
  frameticker = 0;
  usBetweenFrames = sms.display ? 20000 : 16666;
  prev = gettime();

  /* Emulation Loop */
  while (1)
  {
    /* update inputs */
    ogc_input__update();

    /* Frame synchronization */
    if (gc_pal != sms.display)
    {
      /* use timers */
      now = gettime();
      if (diff_usec(prev, now) > usBetweenFrames)
      {
        /* Frame skipping */
        prev = now;
        system_frame(1);
      }
      else
      {
        /* Delay */
        while (diff_usec(prev, now) < usBetweenFrames) now = gettime();

        /* Render Frame */
        prev = now;
        system_frame(0);
      }
    }
    else
    {
      /* use VSync */
      if (frameticker > 1)
      {
        /* Frame skipping */
        frameticker--;
        system_frame (1);
      }
      else
      {
        /* Delay */
        while (!frameticker) usleep(10);  
        
        system_frame (0);
      }

      frameticker--;
    }

    /* update video & audio */
    ogc_video__update();
    ogc_audio__update();

    /* Check for Menu request */
    if (ConfigRequested)
    {
      /* reset AUDIO */
      ogc_audio__reset();

      /* go to menu */
      MainMenu ();
      ConfigRequested = 0;
      ogc_video__reset();

      /* reset frame timings */
      frameticker = 0;
      usBetweenFrames = sms.display ? 20000 : 16666;
      prev = gettime();
    }
  }
  return 0;
}
Exemplo n.º 2
0
int main (int argc, char *argv[])
{
#ifdef HW_RVL
  /* initialize DVDX */
  DI_Init();
#endif

  /* initialize hardware */
  gx_video_Init();
  gx_input_Init();
#ifdef HW_DOL
  DVD_Init ();
  dvd_drive_detect();
#endif

  /* initialize FAT devices */
  if (fatInitDefault())
  {
    /* check for default directories */
    DIR_ITER *dir = NULL;

    /* base directory */
    char pathname[MAXPATHLEN];
    sprintf (pathname, DEFAULT_PATH);
    dir = diropen(pathname);
    if (dir == NULL) mkdir(pathname,S_IRWXU);
    else dirclose(dir);

    /* SRAM & Savestate files directory */ 
    sprintf (pathname, "%s/saves",DEFAULT_PATH);
    dir = diropen(pathname);
    if (dir == NULL) mkdir(pathname,S_IRWXU);
    else dirclose(dir);

    /* Snapshot files directory */ 
    sprintf (pathname, "%s/snaps",DEFAULT_PATH);
    dir = diropen(pathname);
    if (dir == NULL) mkdir(pathname,S_IRWXU);
    else dirclose(dir);

    /* Cheat files directory */ 
    sprintf (pathname, "%s/cheats",DEFAULT_PATH);
    dir = diropen(pathname);
    if (dir == NULL) mkdir(pathname,S_IRWXU);
    else dirclose(dir);
  }

  /* initialize sound engine */
  gx_audio_Init();

  /* initialize core engine */
  legal();
  config_default();
  history_default();
  init_machine();

  /* run any injected rom */
  if (cart.romsize)
  {
    ARAMFetch((char *)cart.rom, (void *)0x8000, cart.romsize);
    reloadrom (cart.romsize,"INJECT.bin");
    gx_video_Start();
    gx_audio_Start();
    frameticker = 1;
  }
  else
  {
    /* Main Menu */
    ConfigRequested = 1;
  }

  /* initialize GUI engine */
  GUI_Initialize();

#ifdef HW_RVL
  /* Power button callback */
  SYS_SetPowerCallback(Power_Off);
#endif

  /* main emulation loop */
  while (1)
  {
    /* Main Menu request */
    if (ConfigRequested)
    {
      /* stop video & audio */
      gx_audio_Stop();
      gx_video_Stop();

      /* show menu */
      MainMenu ();
      ConfigRequested = 0;

      /* start video & audio */
      gx_audio_Start();
      gx_video_Start();
      frameticker = 1;
    }

    if (frameticker > 1)
    {
      /* skip frame */
      system_frame(1);
      --frameticker;
    }
    else
    {
      while (frameticker < 1)
        usleep(10);

      /* render frame */
      system_frame(0);
      --frameticker;

      /* update video */
      gx_video_Update();
    }

    /* update audio */
    gx_audio_Update();
  }

  return 0;
}