IEE_SCBSYNC
IEE_SCBSYNC(sc, BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
IEE_SCBSYNC(sc, BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
IEE_SCBSYNC(sc, BUS_DMASYNC_PREREAD);
IEE_SCBSYNC(sc, BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE);
IEE_SCBSYNC(sc, BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE);
IEE_SCBSYNC(sc, BUS_DMASYNC_PREREAD);
IEE_SCBSYNC(sc, BUS_DMASYNC_POSTREAD);
IEE_SCBSYNC(sc, BUS_DMASYNC_PREREAD);