SDSCB_QOFF
return (ahd_inb(ahd, SDSCB_QOFF) | (ahd_inb(ahd, SDSCB_QOFF + 1) << 8));
ahd_outb(ahd, SDSCB_QOFF, value & 0xFF);
ahd_outb(ahd, SDSCB_QOFF+1, (value >> 8) & 0xFF);
ahc_outb(ahc, SDSCB_QOFF, 0);