sci_iack
sc->sci_iack = rp + 0x70;
stat = *dev->sci_iack;
sc->sci_iack = rp + 14;
stat = *dev->sci_iack;
sc->sci_iack = rp + 15;
sc->sci_iack = rp + 0x70;
stat = *dev->sci_iack;
volatile unsigned char sci_iack; /* r: Interrupt Acknowledge */
#define sci_irecv sci_iack /* w: Start DMA receive, initiator */
volatile u_char *sci_iack; /* r: Interrupt Acknowledge */
sc->sci_iack = rp + 14;
stat = *(dev->sci_iack + 0x10);
volatile unsigned char sci_iack; /* r: Interrupt Acknowledge */
#define sci_irecv sci_iack /* w: Start DMA receive, initiator */
#define SCI_CLR_INTR(sc) NCR5380_READ(sc, sci_iack)