iOS/libraries/allegro/allegro/src/psp/pgfx.c
/* psp_request_video_bitmap:
 *  Triple buffering function: triggers a swap to display the specified 
 *  video memory bitmap object, which will take place on the next retrace.
 */
Triple buffering function: triggers a swap to display the specified
video memory bitmap object, which will take place on the next retrace.
Triple buffering function : triggers a swap to display the specified video memory bitmap object which will take place on the next retrace .
static int psp_request_video_bitmap(BITMAP *bitmap)
{
   if (is_sub_bitmap(bitmap))
      return -1;
   vcount_start = sceDisplayGetVcount();
   sceDisplaySetFrameBuf((void *)BMP_EXTRA(bitmap)->hw_addr, BMP_EXTRA(bitmap)->pitch, gu_psm_format, PSP_DISPLAY_SETBUF_NEXTFRAME);
   return 0;
}
static int psp_request_video_bitmap ( BITMAP * bitmap ) { if ( is_sub_bitmap ( bitmap ) ) return -1 ; vcount_start = sceDisplayGetVcount ( ) ; sceDisplaySetFrameBuf ( ( void * ) BMP_EXTRA ( bitmap ) -> hw_addr , BMP_EXTRA ( bitmap ) -> pitch , gu_psm_format , PSP_DISPLAY_SETBUF_NEXTFRAME ) ; return 0 ; }
psp_request_video_bitmap:
  Triple buffering function: triggers a swap to display the specified
  video memory bitmap object, which will take place on the next retrace.
psp_request_video_bitmap : Triple buffering function : triggers a swap to display the specified video memory bitmap object which will take place on the next retrace .
/* No sub bitmaps are allowed. */