if (os_type == os_switch || os_type == os_ps4)
{
    var ww = window_get_width();
    var wh = window_get_height();
    var sw = surface_get_width(application_surface);
    var sh = surface_get_height(application_surface);
    var xx = floor((ww - (sw * global.window_scale)) / 2);
    var yy = floor((wh - (sh * global.window_scale)) / 2);
    global.window_xofs = xx;
    global.window_yofs = yy;
    if (os_type == os_switch && wh == 720)
        texture_set_interpolation(true);
    else
        texture_set_interpolation(false);
    draw_enable_alphablend(false);
    draw_surface_ext(application_surface, xx, yy, global.window_scale, global.window_scale, 0, c_white, 1);
    draw_enable_alphablend(true);
    texture_set_interpolation(false);
}
else
{
    global.window_xofs = 0;
    global.window_yofs = 0;
}
if (!global.is_console)
{
    var nowfullscreen = window_get_fullscreen();
    if (nowfullscreen != isfullscreen)
    {
        ini_open("true_config.ini");
        ini_write_real("SCREEN", "FULLSCREEN", nowfullscreen);
        ini_close();
        show_debug_message("fullscreen switched:" + string(nowfullscreen));
        if (!nowfullscreen)
        {
            window_set_size(640 * window_size_multiplier, 480 * window_size_multiplier);
            alarm[2] = 1;
        }
    }
    isfullscreen = nowfullscreen;
}