Unix V6 /usr/sys/seg.h

/*
 * KT-11 addresses and bits.
 */
 
#define	UISD	0177600		/* first user I-space descriptor register */
#define	UISA	0177640		/* first user I-space address register */
#define	UDSA	0177660		/* first user D-space address register */
#define	RO	02		/* access abilities */
#define	WO	04
#define	RW	06
#define	ED	010		/* extend direction */
 
/*
 * structure used to address
 * a sequence of integers.
 */
struct
{
	int	r[];
};
int	*ka6;		/* 11/40 KISA6; 11/45 KDSA6 */
 
/*
 * address to access 11/70 UNIBUS map
 */
#define	UBMAP	0170200
 
unix-history/unix-v6/usr/sys/seg.h.txt · Последние изменения: 2006/07/26 07:34
 
Copyright (C) 1996-2013 Serge Vakulenko
serge@vak.ru