#ifdef FRONTEND_SUPPORTS_RGB565
enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_RGB565;
if (environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt)) {
#ifdef FRONTEND_SUPPORTS_RGB565
enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_RGB565;
if (environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt)) {