void *conf_lcd_io_for_rendering()
{
  s_unknown_1 *g_struct; // r10
  s_lcd_bg_io_conf *lcd_bg_io_conf; // r5
  void *result; // r0
  s_blending_io_conf *blending_io_conf; // r5

  lcd_bg_io_conf = g_struct->lcd_bg_io_conf_200AC40;
  IO_MOSAIC = lcd_bg_io_conf->mosaic_size;      // set mosaic mode
  memcpy32(&lcd_bg_io_conf->background_cnt0, &IO_BG0CNT, 0x38u);// configure BG
  CpuSet_2(g_struct->window_conf_200F3A0, &IO_WIN0H, 0xCu);
  blending_io_conf = g_struct->blending_io_conf_2009740;
  BLDCNT = *&blending_io_conf->blending_cnt;
  BLDY = blending_io_conf->blending_brightness;
  DISPCNT = g_struct->lcd_bg_io_conf_200AC40->display_cnt;
  return result;
}