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From: gwyn@brl-tgr.ARPA (Doug Gwyn <gwyn>)
Newsgroups: net.arch,net.unix
Subject: Re: AT&T 3B-2's
Message-ID: <9769@brl-tgr.ARPA>
Date: Sat, 6-Apr-85 09:13:10 EST
Article-I.D.: brl-tgr.9769
Posted: Sat Apr  6 09:13:10 1985
Date-Received: Mon, 8-Apr-85 01:18:17 EST
References: <761@sdcsvax.UUCP>
Organization: Ballistic Research Lab
Lines: 7
Xref: linus net.arch:881 net.unix:3509

>      We here at UCSD have recently received a  large  number
> of  AT&T 3B-2's.  In their benevolent wisdom, AT&T chose not
> to disclose anything about the assembly language  or  archi-
> tecture of these machines.

So go out and buy a bunch of DMD software manuals.
It's the same basic processor, and the DMD book describes it.