ST_ALL_UP
state0 = ST_ALL_UP;
kmkbd_new_state(sc, ST_ALL_UP);
if ( sc->state != ST_ALL_UP ){
new_state = newbits == 0 ? ST_ALL_UP : ST_KEY_PRESSED;
if (sc->state == ST_ALL_UP){
case ST_ALL_UP:
if (sc->state != ST_ALL_UP){