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=-0.8 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 99d77c78 for ; Fri, 4 Oct 2019 21:59:26 +0000 (UTC) Received: by minnie.tuhs.org (Postfix, from userid 112) id 747C99BCBF; Sat, 5 Oct 2019 07:59:25 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id 454E19B8F0; Sat, 5 Oct 2019 07:59:02 +1000 (AEST) Received: by minnie.tuhs.org (Postfix, from userid 112) id 0F70D9B8F0; Sat, 5 Oct 2019 07:59:00 +1000 (AEST) Received: from nb3.reedmedia.net (nb3.reedmedia.net [71.19.148.35]) by minnie.tuhs.org (Postfix) with ESMTPS id 88542948D7 for ; Sat, 5 Oct 2019 07:58:59 +1000 (AEST) Received: from [47.185.49.132] (helo=reedmedia.net) by nb3.reedmedia.net with esmtpa (Exim 4.89) (envelope-from ) id 1iGVbH-00048u-Cx for tuhs@tuhs.org; Fri, 04 Oct 2019 21:58:59 +0000 Received: from reed@reedmedia.net by reedmedia.net with local (mailout 0.17) id 23017-1570226333; Fri, 04 Oct 2019 16:58:54 -0500 Date: Fri, 4 Oct 2019 16:58:53 -0500 (CDT) From: reed@reedmedia.net X-X-Sender: reed@t1.m.reedmedia.net To: The Eunuchs Hysterical Society Message-ID: User-Agent: Alpine 2.21 (NEB 202 2017-01-01) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Subject: [TUHS] lowercase vs. uppercase PDP-7? (was Re: Recovered /etc/passwd files) 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, 4 Oct 2019, Ken Thompson via TUHS wrote: > no, it was tty model 33. Changing the topic slightly ... The scans for v0 code are in lowercase. I assume printed on TTY 37. But why is the early PDP-7 code in lowercase? I do see the B language code for "lcase" which converts to lowercase. Maybe something like that was used? (I think I saw a scan mistake showing a "B" which is probably an "8" due to that. See pdp7-unix/src/cmd/bc.s "dab B i".) I didn't see anything in historical login code or manuals about upper versus lowercase. Any experiences about upper versus lower case to share? When did stuff get rewritten to have both cases in code? Jeremy C. Reed echo Ohl zl obbx uggc://errqzrqvn.arg/obbxf/csfrafr/ | \ tr "Onoqrsuvxzabcefghl" "Babdefhikmnoprstuy"