From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE autolearn=ham autolearn_force=no version=3.4.2 Received: from minnie.tuhs.org (minnie.tuhs.org [45.79.103.53]) by inbox.vuxu.org (OpenSMTPD) with ESMTP id b7c893cd for ; Sat, 9 Mar 2019 19:20:25 +0000 (UTC) Received: by minnie.tuhs.org (Postfix, from userid 112) id D47A993DCD; Sun, 10 Mar 2019 05:20:23 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id 2924D93D2D; Sun, 10 Mar 2019 05:19:49 +1000 (AEST) Received: by minnie.tuhs.org (Postfix, from userid 112) id C1DE093D2D; Sun, 10 Mar 2019 05:19:46 +1000 (AEST) Received: from mail.cs.Dartmouth.EDU (mail.cs.dartmouth.edu [129.170.212.100]) by minnie.tuhs.org (Postfix) with ESMTPS id D446B93D28 for ; Sun, 10 Mar 2019 05:19:45 +1000 (AEST) Received: from tahoe.cs.Dartmouth.EDU (tahoe.cs.dartmouth.edu [129.170.212.20]) by mail.cs.Dartmouth.EDU (8.15.2/8.15.2) with ESMTPS id x29JJh7Q015785 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Sat, 9 Mar 2019 14:19:43 -0500 Received: from tahoe.cs.Dartmouth.EDU (localhost.localdomain [127.0.0.1]) by tahoe.cs.Dartmouth.EDU (8.15.2/8.14.3) with ESMTP id x29JJhL5024912; Sat, 9 Mar 2019 14:19:43 -0500 Received: (from doug@localhost) by tahoe.cs.Dartmouth.EDU (8.15.2/8.15.2/Submit) id x29JJhcw024911; Sat, 9 Mar 2019 14:19:43 -0500 From: Doug McIlroy Message-Id: <201903091919.x29JJhcw024911@tahoe.cs.Dartmouth.EDU> Date: Sat, 09 Mar 2019 14:19:43 -0500 To: clemc@ccc.com, tuhs@tuhs.org User-Agent: Heirloom mailx 12.5 7/5/10 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Subject: Re: [TUHS] Failing Memory of an Algol Based System from years ago X-BeenThere: tuhs@minnie.tuhs.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: The Unix Heritage Society mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" Clem, I think the "Algol machine" you have in mind is the RC-2000 (not quite sure of the designation--could look it up in the attic if it matters) designed by Per Brinch Hansen for Regencentralen (again, the name may not be quite right). The manual used Algol as a hardware description language. The instruction set was not unusual. It has come up before in TUHS. I have the manual if you need more info. Doug