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=-1.0 required=5.0 tests=MAILING_LIST_MULTI, RCVD_IN_DNSWL_NONE autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 29447 invoked from network); 10 Apr 2021 03:17:08 -0000 Received: from minnie.tuhs.org (45.79.103.53) by inbox.vuxu.org with ESMTPUTF8; 10 Apr 2021 03:17:08 -0000 Received: by minnie.tuhs.org (Postfix, from userid 112) id 584AB94590; Sat, 10 Apr 2021 13:16:59 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id 786ED93D6B; Sat, 10 Apr 2021 13:16:32 +1000 (AEST) Received: by minnie.tuhs.org (Postfix, from userid 112) id AA5E993D6B; Sat, 10 Apr 2021 13:16:29 +1000 (AEST) Received: from nsstlmta26p.bpe.bigpond.com (nsstlmta26p.bpe.bigpond.com [203.38.21.26]) by minnie.tuhs.org (Postfix) with ESMTPS id 343C593D69 for ; Sat, 10 Apr 2021 13:16:28 +1000 (AEST) Received: from smtp.telstra.com ([10.10.24.4]) by nsstlfep26p-svc.bpe.nexus.telstra.com.au with ESMTP id <20210410031626.DITW18374.nsstlfep26p-svc.bpe.nexus.telstra.com.au@smtp.telstra.com> for ; Sat, 10 Apr 2021 13:16:26 +1000 X-RG-Spam: Unknown X-RazorGate-Vade: gggruggvucftvghtrhhoucdtuddrgeduledrudekvddgieehucetufdoteggodetrfdotffvucfrrhhofhhilhgvmecuuffpveftpgfvgffnuffvtfetpdfqfgfvnecuuegrihhlohhuthemucegtddtnecunecujfgurhepfffhvffujgfkfhgfgggtsehttddttddtredvnecuhfhrohhmpeffrghvvgcujfhorhhsfhgrlhhluceouggrvhgvsehhohhrshhfrghllhdrohhrgheqnecuggftrfgrthhtvghrnhepkeeiteejueeuhfefgeeuvdduieefvedugfevtdffkefhffejkefhuddtteehtefhnecukfhppeduuddtrddugedurdduleefrddvfeefnecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehhvghloheprghnvghurhhinhdrhhhorhhsfhgrlhhlrdhorhhgpdhinhgvthepuddutddrudeguddrudelfedrvdeffedpmhgrihhlfhhrohhmpeeouggrvhgvsehhohhrshhfrghllhdrohhrgheqpdhrtghpthhtohepoehtuhhhshesthhuhhhsrdhorhhgqe X-RazorGate-Vade-Verdict: clean 0 X-RazorGate-Vade-Classification: clean X-RG-VS-CLASS: clean Received: from aneurin.horsfall.org (110.141.193.233) by smtp.telstra.com (5.8.420) id 5FE6CD141DF01852 for tuhs@tuhs.org; Sat, 10 Apr 2021 13:16:25 +1000 Received: from aneurin.horsfall.org (localhost [127.0.0.1]) by aneurin.horsfall.org (8.15.2/8.15.2) with ESMTP id 13A3GO2e062853 for ; Sat, 10 Apr 2021 13:16:24 +1000 (EST) (envelope-from dave@horsfall.org) Received: from localhost (dave@localhost) by aneurin.horsfall.org (8.15.2/8.15.2/Submit) with ESMTP id 13A3GNqF062850 for ; Sat, 10 Apr 2021 13:16:24 +1000 (EST) (envelope-from dave@horsfall.org) X-Authentication-Warning: aneurin.horsfall.org: dave owned process doing -bs Date: Sat, 10 Apr 2021 13:16:23 +1000 (EST) From: Dave Horsfall To: The Eunuchs Hysterical Society In-Reply-To: <0BD38829-5E79-4034-BCEF-0555434E52A4@planet.nl> Message-ID: References: <0BD38829-5E79-4034-BCEF-0555434E52A4@planet.nl> User-Agent: Alpine 2.21.9999 (BSF 287 2018-06-16) X-GPG-Public-Key: http://www.horsfall.org/gpgkey.pub X-GPG-Fingerprint: 05B4 FFBC 0218 B438 66E0 587B EF46 7357 EF5E F58B X-Home-Page: http://www.horsfall.org/ X-Witty-Saying: "chmod 666 the_mode_of_the_beast" MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Subject: Re: [TUHS] SUN (Stanford University Network) was PC Unix 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 Fri, 9 Apr 2021, Paul Ruizendaal via TUHS wrote: > Z80 CP/M machines were still competitive in 1981-1983 (Osborne, Kaypro) And the Aussie Microbee... Wonderful machine, and easily hacked upon. For example, you could expand the memory by soldering several chips on top of each other and addressing the CS* line via bank-switching. -- Dave