From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-2.1 required=5.0 tests=MAILING_LIST_MULTI, NICE_REPLY_A autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 3583 invoked from network); 1 Dec 2021 12:31:27 -0000 Received: from minnie.tuhs.org (45.79.103.53) by inbox.vuxu.org with ESMTPUTF8; 1 Dec 2021 12:31:27 -0000 Received: by minnie.tuhs.org (Postfix, from userid 112) id 3B82A9CE79; Wed, 1 Dec 2021 22:31:22 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id 939D49C78B; Wed, 1 Dec 2021 22:30:28 +1000 (AEST) Received: by minnie.tuhs.org (Postfix, from userid 112) id 459339C78B; Wed, 1 Dec 2021 22:29:24 +1000 (AEST) Received: from mslow1.mail.gandi.net (mslow1.mail.gandi.net [217.70.178.240]) by minnie.tuhs.org (Postfix) with ESMTPS id C6C0194502 for ; Wed, 1 Dec 2021 22:29:22 +1000 (AEST) Received: from relay6-d.mail.gandi.net (unknown [217.70.183.198]) by mslow1.mail.gandi.net (Postfix) with ESMTP id 3C681C9C87 for ; Wed, 1 Dec 2021 12:28:48 +0000 (UTC) Received: (Authenticated sender: aek@bitsavers.org) by relay6-d.mail.gandi.net (Postfix) with ESMTPSA id DEE6AC001A for ; Wed, 1 Dec 2021 12:28:44 +0000 (UTC) To: tuhs@minnie.tuhs.org References: <202111282026.1ASKQ5X41437843@darkstar.fourwinds.com> <202111282115.1ASLFK1Q1438854@darkstar.fourwinds.com> <202111282147.1ASLlND41439656@darkstar.fourwinds.com> <20211129011244.GJ18441@mcvoy.com> <702642B0-311F-4464-B0EB-44166731EAFC@iitbombay.org> <20211130192718.C0401210F4@orac.inputplus.co.uk> From: Al Kossow Message-ID: <06fb60f8-a3a3-c959-f750-2d5862e83727@bitsavers.org> Date: Wed, 1 Dec 2021 04:28:42 -0800 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:78.0) Gecko/20100101 Thunderbird/78.14.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Subject: Re: [TUHS] A New History of Modern Computing - my thoughts 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" On 12/1/21 12:46 AM, Rich Morin wrote: > The DG Nova (https://en.wikipedia.org/wiki/Data_General_Nova) came out in 1969, just a bit before the PDP-11 (https://en.wikipedia.org/wiki/PDP-11). My impression, when I (later on) looked at the Nova ISA, was that they had moved in the right direction from the AQX approach, but not quite far enough. DEC, IMNSHO, got it right. (ducking). https://history-computer.com/dec-pdp-11-computer/ is a concise summary of where the pdp-11 architecture came from (Harold McFarland at CMU) and the origins of the nova from the and the connection to the dec pdp-x original source documents can be found at bitsavers