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From: ron@topaz.rutgers.edu (Ron Natalie)
Newsgroups: comp.arch,comp.unix.wizards,comp.os.minix
Subject: Re: pdp-11/55
Message-ID: <15435@topaz.rutgers.edu>
Date: Thu, 8-Oct-87 20:52:45 EDT
Article-I.D.: topaz.15435
Posted: Thu Oct  8 20:52:45 1987
Date-Received: Sun, 11-Oct-87 10:04:11 EDT
References: <1755@ncr-sd.SanDiego.NCR.COM> <275@usl> <29933@sun.uucp> <72@bacchus.DEC.COM> <111@sdeggo.UUCP>
Organization: Rutgers Univ., New Brunswick, N.J.
Lines: 6
Xref: mnetor comp.arch:2564 comp.unix.wizards:4773 comp.os.minix:1841

The RSX use of split I/D came in RSX-11M+ which allowed you to use
split I/D in supervisor mode.

-Ron

What no mark instruction?