KBOUTPO
bus_space_write_1(iot, ioh, KBOUTPO, value);
bus_space_write_1(iot, ioh, KBOUTPO, value);
bus_space_write_1(iot, ioh, KBOUTPO, value);
(value) = bus_space_read_1(iot, ioh, KBOUTPO); \
(value) = bus_space_read_1(iot, ioh, KBOUTPO); \