TCL
bus_space_write_1(iot, ioh, TCL, n);
bus_space_write_1(iot, ioh, TCL, n);
bus_space_read_1(iot, ioh, TCL));
bus_space_write_1(iot, ioh, TCL, n);
bus_space_read_1(iot, ioh, TCL),
bus_space_write_1(iot, ioh, TCL, 0);
bus_space_write_1(iot, ioh, TCL, 3);
bus_space_write_1(iot, ioh, TCL, 1);