SEQCTL0
printf("SEQCTL0 == 0x%x\n", ahd_inb(ahd, SEQCTL0));
ahd_outb(ahd, SEQCTL0, ahd_inb(ahd, SEQCTL0) | STEP);
ahd_outb(ahd, SEQCTL0, ahd_inb(ahd, SEQCTL0) & ~STEP);
ahd_outb(ahd, SEQCTL0, FASTMODE|SEQRESET);
ahd_outb(ahd, SEQCTL0, FASTMODE|SEQRESET);
ahd_outb(ahd, SEQCTL0, PERRORDIS|FAILDIS|FASTMODE|LOADRAM);
ahd_outb(ahd, SEQCTL0, PERRORDIS|FAILDIS|FASTMODE|LOADRAM);
ahd_outb(ahd, SEQCTL0, PERRORDIS|FAILDIS|FASTMODE);
ahd_seqctl0_print(ahd_inb(ahd, SEQCTL0), &cur_col, 50);
ahd_outb(ahd, SEQCTL0, PERRORDIS);
ahd_outb(ahd, SEQCTL0, PERRORDIS|FAILDIS);