SUNSCPAL_READ_1
SUNSCPAL_READ_1(sc, sunscpal_cmd_stat);
*(sc->sc_dataptr++) = SUNSCPAL_READ_1(sc, sunscpal_data);
# define SUNSCPAL_READ_2 SUNSCPAL_READ_1
SUNSCPAL_READ_1(sc, sunscpal_cmd_stat) : \
SUNSCPAL_READ_1(sc, sunscpal_data))