From mboxrd@z Thu Jan  1 00:00:00 1970
X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me
X-Spam-Level: 
X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00
	autolearn=unavailable autolearn_force=no version=3.4.4
Path: 
 backlog1.nntp.ams3.giganews.com!backlog1.nntp.ams2.giganews.com!backlog1.nntp.ams.giganews.com!border3.nntp.ams.giganews.com!border1.nntp.ams.giganews.com!nntp.giganews.com!feeder.erje.net!eu.feeder.erje.net!eternal-september.org!feeder.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail
From: Simon Wright <simon@pushface.org>
Newsgroups: comp.lang.ada
Subject: Re: Low-level programming in Ada?
Date: Wed, 14 Aug 2013 22:19:49 +0100
Organization: A noiseless patient Spider
Message-ID: <lyli44otqi.fsf@pushface.org>
References: <7x1u64hk2p.fsf@ruckus.brouhaha.com>
 <981741794397689133.903473yaldnif.w-blueyonder.co.uk@news.individual.net>
 <yolU96AxjzBSFwvN@ada-augusta.demon.co.uk>
 <ly38qgr6lg.fsf@pushface.org> <520BC8D1.723E2C28@baigar.de>
Mime-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 8bit
Injection-Info: mx05.eternal-september.org;
 posting-host="ab63a21f76991e88ee5b3b5ea015b144";
 logging-data="3926"; mail-complaints-to="abuse@eternal-september.org";
 posting-account="U2FsdGVkX19iIFZg/eMOImljhmTR+VUMpLumhhhouWs="
User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (darwin)
Cancel-Lock: sha1:GFVQmAXzr+pYc5Sj4znmlXWprkU=
 sha1:lqwqaIItZC78W+xJ9f/pEumDZ7U=
Xref: number.nntp.dca.giganews.com comp.lang.ada:183019
Date: 2013-08-14T22:19:49+01:00
List-Id: <comp.lang.ada>

Erik Baigar <erik@baigar.de> writes:

> Simon Wright wrote:
>> My first paid gig was on a 920B or C - a military variant, I
>> think. 18 bits, 15 op codes.
>
> Absolutely correct. 920M and later variants (920ATC) have 
> widely been used in many UK designed MIL SPEC applications. 
> There is a good book from Simon Lavington on the Elliott 
> company - its title is "Moving Targets"!

Rather expensive (£57 from Abe Books)! but it's on Google Books.