emu_timer_enable
emu_timer_enable(sc->card, sc->pch[i].timer, 0);
emu_timer_enable(sc->card, ch->timer, 1);
emu_timer_enable(sc->card, ch->timer, 1);
emu_timer_enable(sc->card, ch->timer, 0);
emu_timer_enable(sc, timer, 0);
int emu_timer_enable(struct emu_sc_info *sc, int timer, int go);