NEC86_SOUND_ID
data = bus_space_read_1(iot, n86ioh, NEC86_SOUND_ID);
data = bus_space_read_1(iot, n86ioh, NEC86_SOUND_ID);
bus_space_write_1(iot, n86ioh, NEC86_SOUND_ID, data);
(bus_space_handle_t)(NECSB_BASE + NEC86_SOUND_ID);