DIOII_SCBASE
rval = DIOII_BASE + ((scode - DIOII_SCBASE) * DIOII_DEVSIZE);
#define DIO_ISDIOII(scode) ((scode) >= DIOII_SCBASE && (scode) < 256)
if (sc >= DIOII_SCBASE)
return DIOIIBASE + (sc - DIOII_SCBASE) * DIOIICSIZE ;
if (sc >= DIOII_SCBASE)