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=-1.1 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FROM,MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 6884 invoked from network); 24 Sep 2020 17:20:07 -0000 Received: from minnie.tuhs.org (45.79.103.53) by inbox.vuxu.org with ESMTPUTF8; 24 Sep 2020 17:20:07 -0000 Received: by minnie.tuhs.org (Postfix, from userid 112) id D4B7A9CEA1; Fri, 25 Sep 2020 03:19:55 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id 800E59CBCA; Fri, 25 Sep 2020 03:19:09 +1000 (AEST) Authentication-Results: minnie.tuhs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="Ga/onvZh"; dkim-atps=neutral Received: by minnie.tuhs.org (Postfix, from userid 112) id 1FD419CBCA; Fri, 25 Sep 2020 03:19:06 +1000 (AEST) Received: from mail-ua1-f49.google.com (mail-ua1-f49.google.com [209.85.222.49]) by minnie.tuhs.org (Postfix) with ESMTPS id 68A229CB3A for ; Fri, 25 Sep 2020 03:19:05 +1000 (AEST) Received: by mail-ua1-f49.google.com with SMTP id g16so24818uan.5 for ; Thu, 24 Sep 2020 10:19:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to; bh=NfFYoy6AN/FjNaxOI9LSrm2iHFaWvjeqgpB9TbYcA6M=; b=Ga/onvZhIZZdrp0LRDPwqlxMU6+T8OokVHiRLH6nbtQj3fr2rKQssOqooI0OIiteNe 7Ghb4YJWTcfClWlYWoHaSk544kNNZrhxcBAWo88XgQvUU3wszxV2wU98DG2+UWx5/p3K GfsENEpgKpW/0ax7g25eAc0SFi0nkZMqdvh/oxbb3Wwc3qScpYAjg0figP/2I9gDhIZn njZjnF4cWD5DN9isHZexhA1DSoSx2WFoVCdAh8qzr86Q6sSJP4w7Aud2fZIXnLf8Cyke a+MDM51zqffEC756oeGKgP4uC4DTbQHGlqanYg1rfrtgImP//bo6JNEtmWSdFSP9hosL zg9A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to; bh=NfFYoy6AN/FjNaxOI9LSrm2iHFaWvjeqgpB9TbYcA6M=; b=gLUmAuaHC3SRo/VCUjSnpK4fWkVwdtF19KTx4QZ7wy6LajEG7zjGZ9VOKmsRjjvzso oNps3wOmpghPRmFdN6XvFgPDXFX2P3GwwsxaH8aH/OiYsKjzOJJ77IjmzIv9CpZ55qg6 ygBLwrteUwkzCubkBKBHWEAbAzLznq61pGEN0ZAWyGDDv3Ij4MsRHr1sVvU2EMCf/80H RhGz6MYvgWWUZmvFhlDsmmL/4FVCFmzKhnTbElGb5BaxIYZnj+TFODTRKG5o0Z3wh/9a RU3YFDEpu5HA6DqvnNu3A2OORK5YsP7Ix6fKPJYCnu6jJNc3wpkiYiQWKJTJbT1gm49t IfZg== X-Gm-Message-State: AOAM5322bEOQqBwROMDLak4S6AMO+JyvKSqX6BhWuXRWZdvcsCXqJOEO +n4SF/qH7DPEQEPZknYG1DSLsB8+17CCRbEOY1FlpFGRxDc= X-Google-Smtp-Source: ABdhPJy/ralR6ro6C0WSRxOtANcdNfLiaAOgGhzZk4MkhrFZRVrat+MU2abPIITphSmtHmtIv/D1W9QcENDOcbsEJ2E= X-Received: by 2002:ab0:20b6:: with SMTP id y22mr46485ual.30.1600967943667; Thu, 24 Sep 2020 10:19:03 -0700 (PDT) MIME-Version: 1.0 Received: by 2002:ab0:6258:0:0:0:0:0 with HTTP; Thu, 24 Sep 2020 10:19:02 -0700 (PDT) In-Reply-To: References: <202009190151.08J1pYnb066792@tahoe.cs.dartmouth.edu> <202009201842.08KIgn2f022401@freefriends.org> <04211470-AD63-452A-A0BB-6A7A6FD85AAE@gmail.com> From: Paul Winalski Date: Thu, 24 Sep 2020 13:19:02 -0400 Message-ID: To: The Eunuchs Hysterical Society Content-Type: text/plain; charset="UTF-8" Subject: Re: [TUHS] reviving a bit of WWB 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 9/23/20, Dave Horsfall wrote: > > Turing save us from 1-complement machines! > Or separate-sign numerical representations, for that matter, such as the IBM 1620 had. And packed decimal on the S/360/370 and the VAX. Negative zero in packed decimal is responsible for a lot of the "computerized bill for $0.00" bugs that were rife in the 1960s. -Paul W.