lcdc_write_overlay
lcdc_write_overlay(ovl, LDBnBSAYR(ovl->index), ovl->base_addr_y);
lcdc_write_overlay(ovl, LDBnBSACR(ovl->index), ovl->base_addr_c);
lcdc_write_overlay(ovl, LDBnBSIFR(ovl->index), 0);
lcdc_write_overlay(ovl, LDBnBSIFR(ovl->index), format);
lcdc_write_overlay(ovl, LDBnBSSZR(ovl->index),
lcdc_write_overlay(ovl, LDBnBLOCR(ovl->index),
lcdc_write_overlay(ovl, LDBnBSMWR(ovl->index),
lcdc_write_overlay(ovl, LDBnBSAYR(ovl->index), ovl->base_addr_y);
lcdc_write_overlay(ovl, LDBnBSACR(ovl->index), ovl->base_addr_c);