printf ("SIPEND= %08x SIMASK= %08x\n", sc->sc_sipend, sc->sc_simask);
printf ("SIEL = %08x SIVEC = %08x\n", sc->sc_siel, sc->sc_sivec);
printf ("TESR = %08x SDCR = %08x\n", sc->sc_tesr, sc->sc_sdcr);
printf ("SIPEND= %08x SIMASK= %08x\n", sc->sc_sipend, sc->sc_simask);
printf ("SIEL = %08x SIVEC = %08x\n", sc->sc_siel, sc->sc_sivec);
printf ("TESR = %08x SDCR = %08x\n", sc->sc_tesr, sc->sc_sdcr);