SL11_ISR
sl11write(sc, SL11_ISR, 0xff);
isr = sl11read(sc, SL11_ISR);
sl11write(sc, SL11_ISR, 0xff);
sl11write(sc, SL11_ISR, 0xff);
r = sl11read(sc, SL11_ISR);
sl11write(sc, SL11_ISR, SL11_ISR_DATA | SL11_ISR_SOFTIMER);
sl11write(sc, SL11_ISR, SL11_ISR_RESET);
sl11write(sc, SL11_ISR, SL11_ISR_INSERT);
r = slhci_read(sc, SL11_ISR);
slhci_write(sc, SL11_ISR, r);
slhci_write(sc, SL11_ISR, 0xff);
r = slhci_read(sc, SL11_ISR);
slhci_write(sc, SL11_ISR, SL11_ISR_INSERT);
r = slhci_read(sc, SL11_ISR);
slhci_write(sc, SL11_ISR, SL11_ISR_INSERT);
r = slhci_read(ssc, SL11_ISR);
isr = slhci_read(ssc, SL11_ISR);