usr/sys/h/seg.h

/*
 * KT-11 addresses and bits.
 */

#define UISD    ((physadr)0177600)      /* first user I-space descriptor register */
#define UISA    ((physadr)0177640)      /* first user I-space address register */
#define UDSA    ((physadr)0177660)      /* first user D-space address register */
#define RO      02              /* access abilities */
#define RW      06
#define ED      010             /* extend direction */
#define TX      020             /* Software: text segment */
#define ABS     040             /* Software: absolute address */

/*
 * structure used to address
 * a sequence of integers.
 */
physadr ka6;            /* 11/40 KISA6; 11/45 KDSA6 */

/*
 * address to access 11/70 UNIBUS map
 */
#define UBMAP   ((physadr)0170200)