SCB_RESIDUAL_SGPTR
|| (ahd_inb_scbram(ahd, SCB_RESIDUAL_SGPTR)
sgptr = ahd_inb_scbram(ahd, SCB_RESIDUAL_SGPTR);
sgptr = ahd_inl_scbram(ahd, SCB_RESIDUAL_SGPTR);
ahd_outl(ahd, SCB_RESIDUAL_SGPTR, sgptr);
sgptr = ahd_inl_scbram(ahd, SCB_RESIDUAL_SGPTR);
ahd_outl(ahd, SCB_RESIDUAL_SGPTR, sgptr & SG_PTR_MASK);
sgptr = ahd_inl_scbram(ahd, SCB_RESIDUAL_SGPTR);
ahd_outl(ahd, SCB_RESIDUAL_SGPTR, sgptr);
ahd_outb(ahd, SCB_RESIDUAL_SGPTR,
sgptr = ahd_inl_scbram(ahd, SCB_RESIDUAL_SGPTR);
ahd_outl(ahd, SCB_RESIDUAL_SGPTR, sgptr);
ahd_inl_scbram(ahd, SCB_RESIDUAL_SGPTR));
sgptr = ahc_inb(ahc, SCB_RESIDUAL_SGPTR);
sgptr = ahc_inl(ahc, SCB_RESIDUAL_SGPTR);
ahc_outl(ahc, SCB_RESIDUAL_SGPTR, sgptr);
sgptr = (ahc_inb(ahc, SCB_RESIDUAL_SGPTR + 3) << 24)
| (ahc_inb(ahc, SCB_RESIDUAL_SGPTR + 2) << 16)
| (ahc_inb(ahc, SCB_RESIDUAL_SGPTR + 1) << 8)
| ahc_inb(ahc, SCB_RESIDUAL_SGPTR);