+ tm = time_msec - start_time;
+ if(tm < FADE_DUR) {
+ fade = tm * 256 / FADE_DUR;
+ } else if(tm < FADE_DUR * 2) {
+ fade = 256;
+ } else if(tm < FADE_DUR * 3) {
+ fade = 256 - (tm - 2 * FADE_DUR) * 256 / FADE_DUR;
+ } else {
+ fade = 0;
+ //menu_start();
+ }