NIC_PUT_1
NIC_PUT_1(sc, REG_0004 + 0, sc->sc_enaddr[0]);
NIC_PUT_1(sc, REG_0004 + 1, sc->sc_enaddr[1]);
NIC_PUT_1(sc, REG_0004 + 2, sc->sc_enaddr[2]);
NIC_PUT_1(sc, REG_0004 + 3, sc->sc_enaddr[3]);
NIC_PUT_1(sc, REG_0004 + 4, sc->sc_enaddr[4]);
NIC_PUT_1(sc, REG_0004 + 5, sc->sc_enaddr[5]);
NIC_PUT_1(sc, REG_DATA, data[i]);