From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI autolearn=ham autolearn_force=no version=3.4.4 Received: from minnie.tuhs.org (minnie.tuhs.org [50.116.15.146]) by inbox.vuxu.org (Postfix) with ESMTP id A8880215C1 for ; Thu, 25 Apr 2024 03:45:13 +0200 (CEST) Received: from minnie.tuhs.org (localhost [IPv6:::1]) by minnie.tuhs.org (Postfix) with ESMTP id 4E490400FD; Thu, 25 Apr 2024 11:45:11 +1000 (AEST) Received: from aneurin.horsfall.org (unknown [110.141.193.233]) by minnie.tuhs.org (Postfix) with ESMTPS id 91E604001D for ; Thu, 25 Apr 2024 11:44:58 +1000 (AEST) Received: from aneurin.horsfall.org (localhost [127.0.0.1]) by aneurin.horsfall.org (8.15.2/8.15.2) with ESMTP id 43P1itut047420 for ; Thu, 25 Apr 2024 11:44:55 +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 43P1isbY047417 for ; Thu, 25 Apr 2024 11:44:55 +1000 (EST) (envelope-from dave@horsfall.org) X-Authentication-Warning: aneurin.horsfall.org: dave owned process doing -bs Date: Thu, 25 Apr 2024 11:44:54 +1000 (EST) From: Dave Horsfall To: Computer Old Farts Followers In-Reply-To: <20240424130128.F2C871FB21@orac.inputplus.co.uk> Message-ID: References: <20240424130128.F2C871FB21@orac.inputplus.co.uk> 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 Message-ID-Hash: PYGLM6VEUB4ORQGBEPT66BSVBMV2LCUG X-Message-ID-Hash: PYGLM6VEUB4ORQGBEPT66BSVBMV2LCUG X-MailFrom: dave@horsfall.org X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.6b1 Precedence: list Subject: [COFF] Re: Imagine an architecture where... List-Id: Computer Old Farts Forum Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: On Wed, 24 Apr 2024, Ralph Corderoy wrote: > dc(1) has 256 registers identified by a byte. Each can be treated as a > stack, stored to and loaded from with S and L. Jeeze, I'd forgotten about DC; thanks! -- Dave, with his treasured HP-42S