sc_p9100 99 dev/sbus/agten.c volatile u_int8_t *sc_p9100; sc_p9100 196 dev/sbus/agten.c sc->sc_p9100 = bus_space_vaddr(bt, bh); sc_p9100 425 dev/sbus/agten.c *(volatile u_int32_t *)(sc->sc_p9100 + P9100_RAMDAC_REGISTER(reg)) =