ASC_MAPLOADED
asc->asc.sc_flags &= ~(ASC_DMAACTIVE|ASC_MAPLOADED);
asc->asc.sc_flags &= ~(ASC_DMAACTIVE|ASC_MAPLOADED);
asc->asc.sc_flags |= ASC_MAPLOADED|ASC_DMAACTIVE;
if (asc->asc.sc_flags & ASC_MAPLOADED)
asc->asc.sc_flags &= ~(ASC_DMAACTIVE|ASC_MAPLOADED);
asc->asc.sc_flags |= ASC_MAPLOADED;
asc->asc.sc_flags &= ~ASC_MAPLOADED;