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 223bd7d5 for ; Thu, 11 Apr 2019 02:27:14 +0000 (UTC) Received: by minnie.tuhs.org (Postfix, from userid 112) id 26E1194EB9; Thu, 11 Apr 2019 12:27:13 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id 07EC194926; Thu, 11 Apr 2019 12:26:39 +1000 (AEST) Received: by minnie.tuhs.org (Postfix, from userid 112) id 5B7A594926; Thu, 11 Apr 2019 12:26:37 +1000 (AEST) Received: from cesium.clock.org (cesium.clock.org [157.22.10.65]) by minnie.tuhs.org (Postfix) with ESMTPS id E14B394925 for ; Thu, 11 Apr 2019 12:26:36 +1000 (AEST) Received: from cesium.clock.org (localhost [127.0.0.1]) by cesium.clock.org (Postfix) with ESMTP id BE7A4CC78A; Wed, 10 Apr 2019 19:26:30 -0700 (PDT) From: "Erik E. Fair" In-reply-to: To: Pat Barron Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: quoted-printable Mime-Version: 1.0 Date: Wed, 10 Apr 2019 19:26:30 -0700 Message-ID: <10149.1554949590@cesium.clock.org> Subject: Re: [TUHS] Paper discussing Unix boot process? 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: , Cc: tuhs@tuhs.org Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" Pat, I still know a few people from the 36-bit world so I could put you = in touch, but if you really want people to understand primitives, = you might want to start with a simpler model, e.g., 16-bit = minicomputers like the DEC PDP-11 (smaller models), the DG Nova, = perhaps the original mc68000 (no MMU or FPU on-chip in that). Once you add MMUs to the picture, life gets a lot more complicated, = and I'm pretty sure the typical applications programmer doesn't = really need to know that class of details, but going for PDP-10 = (more "mainframe-ish" system) is going to take them there. Erik