UART_MASK         221 dev/isa/hsq.c  	bus_space_write_1(sc->sc_iot, sc->sc_slaveioh[0], com_uer, UART_MASK);
UART_MASK         235 dev/isa/hsq.c  	bits = bus_space_read_1(iot, sc->sc_slaveioh[0], com_uir) & UART_MASK;
UART_MASK         251 dev/isa/hsq.c  					com_uir) & UART_MASK;