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: border1.nntp.ams3.giganews.com!border1.nntp.ams2.giganews.com!border2.nntp.ams2.giganews.com!border4.nntp.ams.giganews.com!border2.nntp.ams.giganews.com!nntp.giganews.com!feeder.erje.net!eu.feeder.erje.net!newsfeed.fsmpi.rwth-aachen.de!news-1.dfn.de!news.dfn.de!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail From: Bill Findlay Newsgroups: comp.lang.ada Subject: Re: Low-level programming in Ada? Date: 11 Aug 2013 21:12:05 GMT Message-ID: <991034464397942540.777574yaldnif.w-blueyonder.co.uk@news.individual.net> References: Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Trace: individual.net yBMUtkYZF27uxSrK1GdC7Q9+vYAcWBscO/obemxCSGWy6TGTtc Cancel-Lock: sha1:pFkOkr1XYahZnADIeoIPEUuYFt4= User-Agent: NewsTap/4.0.1 (iPad) X-Original-Bytes: 1555 Xref: number.nntp.dca.giganews.com comp.lang.ada:182970 Date: 2013-08-11T21:12:05+00:00 List-Id: Mike H wrote: > In message <981741794397689133.903473yaldnif.w-blueyonder.co.uk@news.individual.net> > , Bill Findlay writes >> >> Have a look in particular at the kdf9*.ad? files. >> > Those were the days! A classic piece of kit. Thanks for the memory. Glad you like it. > The Elliott 803 was of the same era (or was it slightly earlier?). A > 39-bit word and B-Line instruction modification - they don't make 'em > like that any more ;-) I cut my programming teeth on one of those and > have memories of being knee-deep in 5-channel punched paper tape ;-( The 803 was a few years before KDF9, and was bit serial. KDF9 was fully parallel and featured hardware secured multiprogramming. -- Bill Findlay