mf_imra
MFP->mf_imra = MFP->mf_imrb = 0;
MFP2->mf_imra = MFP2->mf_imrb = 0;
MFP2->mf_imra |= IA_SCSI;
single_inst_bset_b(MFP2->mf_imra, IA_SCSI);
single_inst_bclr_b(MFP2->mf_imra, IA_SCSI);
single_inst_bclr_b(MFP2->mf_imra, IA_SCSI);
single_inst_bset_b(MFP2->mf_imra,
single_inst_bset_b(MFP2->mf_imra, IA_SCSI);
single_inst_bset_b(MFP2->mf_imra, IA_SCSI);
MFP->mf_imra |= IA_TIMA; /* ..... */
single_inst_bclr_b(MFP->mf_imra, IA_RRDY|IA_RERR|IA_TRDY|IA_TERR);
single_inst_bset_b(MFP->mf_imra, (IA_RRDY|IA_RERR|IA_TRDY|IA_TERR));
imra = MFP->mf_imra & (IA_RRDY|IA_RERR|IA_TRDY|IA_TERR);
single_inst_bclr_b(MFP->mf_imra, imra);
single_inst_bset_b(MFP->mf_imra, imra);
MFP->mf_imra &= ~(IA_RRDY|IA_RERR|IA_TRDY|IA_TERR);
single_inst_bset_b(MFP->mf_imra, sc->sc_imra);
if ((MFP->mf_imra & (IA_RRDY|IA_RERR|IA_TRDY|IA_TERR)) != sc->sc_imra) {
(u_int)MFP->mf_imra, (u_int)sc->sc_imra);
single_inst_bclr_b(MFP->mf_imra, IA_RRDY|IA_RERR|IA_TRDY|IA_TERR);
single_inst_bset_b(MFP->mf_imra, sc->sc_imra);
single_inst_bset_b(MFP->mf_imra, IA_TRDY|IA_TERR);
single_inst_bclr_b(MFP->mf_imra, IA_TRDY|IA_TERR);
single_inst_bset_b(MFP->mf_imra, IA_ISA2);
single_inst_bset_b(MFP->mf_imra, IA_ISA2);
single_inst_bclr_b(MFP->mf_imra, IA_ISA2);