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=-0.1 required=5.0 tests=DKIM_INVALID,DKIM_SIGNED, HTML_FONT_LOW_CONTRAST,HTML_IMAGE_ONLY_20,HTML_MESSAGE, MAILING_LIST_MULTI autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 7031 invoked from network); 21 Apr 2023 20:36:53 -0000 Received: from minnie.tuhs.org (2600:3c01:e000:146::1) by inbox.vuxu.org with ESMTPUTF8; 21 Apr 2023 20:36:53 -0000 Received: from minnie.tuhs.org (localhost [IPv6:::1]) by minnie.tuhs.org (Postfix) with ESMTP id DCB244120A; Sat, 22 Apr 2023 06:36:47 +1000 (AEST) Received: from mail-vk1-xa30.google.com (mail-vk1-xa30.google.com [IPv6:2607:f8b0:4864:20::a30]) by minnie.tuhs.org (Postfix) with ESMTPS id CCD32411FF for ; Sat, 22 Apr 2023 06:36:36 +1000 (AEST) Received: by mail-vk1-xa30.google.com with SMTP id 71dfb90a1353d-440403d34a4so742268e0c.0 for ; Fri, 21 Apr 2023 13:36:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ccc.com; s=google; t=1682109396; x=1684701396; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=MPc2CM/iaLxy2buqmt7yMvm2ymglnuMO2EfQkMy4tG0=; b=bcF6dNpMUb2KVITZpHNzQvuQwMKfBcgSwJzc8G/GkWDhEivZ8fu+1ldgVzqW95sSSr 1vgHTpnhPYdP8dr4t6XjqZ7ZOlqrpslTU8fAUJQoDeFIXAgifT7gWBnT5+37pR18Y0uG GMTUKlKKXMcpbNCOpxnXq0NUh6gp4skCXWGmo= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1682109396; x=1684701396; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=MPc2CM/iaLxy2buqmt7yMvm2ymglnuMO2EfQkMy4tG0=; b=JO8DXuOahzVm/TgQfg/x7JSQfLKsNh4VvCVjSarVU7ndovQnGkcSjT/J14oqturvf+ 1ssuBnIl19DWVKTbc6NGyjuhGlPXb+paUrhCkn6Joww4DMEzn7PXB5+0xlfr4W6NUK5V 4mlDMaDJQxoYt0qXK4wkz+0cnkxpjb866T/s0tjokPYRWoH+ZiSG3TdT9c0A6LtoQIKR Ezls8bh1ZscUcydV7HL+bS3PhnJ8mJ4OsaLs1hCgj/7sS6keLeCen34Ul7m21KNA/sId 1p3ZgkMPZ/3FcykZOpMRWPjSLJyO/H3ttwOdNdDAgpfCMLFSMai5CGlCFjli6hnAy15d YDyQ== X-Gm-Message-State: AAQBX9e3i0x6D9rM0WFs9sc4iaT0cLUdWsKKl8izMil0f47E55l3csg3 hOlxI+7QCMgzbg/00UVtUHWgQ9iUbXj2r6m12bEbNUcyaPe4bvMAKCo= X-Google-Smtp-Source: AKy350ZR1bYeFLLZdW1lSwg45xFlDFpJCefLvIDpLtRir/9/CjcVICh5Vcygel3fvxERR16qtmSL5t1IumqxQMura28= X-Received: by 2002:a1f:5f03:0:b0:440:8a24:e71d with SMTP id t3-20020a1f5f03000000b004408a24e71dmr1508956vkb.3.1682109395641; Fri, 21 Apr 2023 13:36:35 -0700 (PDT) MIME-Version: 1.0 References: <20230421143713.492DF18C0A3@mercury.lcs.mit.edu> In-Reply-To: From: Clem Cole Date: Fri, 21 Apr 2023 16:36:09 -0400 Message-ID: To: John Cowan Content-Type: multipart/alternative; boundary="000000000000003d0805f9de9dca" Message-ID-Hash: PL3TUVHIY5XFWOAEZ3TEQJYBLWUJEIBV X-Message-ID-Hash: PL3TUVHIY5XFWOAEZ3TEQJYBLWUJEIBV X-MailFrom: clemc@ccc.com 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 CC: Noel Chiappa , tuhs@tuhs.org X-Mailman-Version: 3.3.6b1 Precedence: list Subject: [TUHS] Re: UNIX "Machine Layer" Standards List-Id: The Unix Heritage Society mailing list Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: --000000000000003d0805f9de9dca Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Fri, Apr 21, 2023 at 1:58=E2=80=AFPM John Cowan wrote: > In principle I suppose you could have toggled in the RIM loader (17 words= ) > and read in the TD8E bootstrap using either Model 33 or high-speed paper > tape, but I doubt if anyone did that. RIM format alternated between > addresses and values, with each taking up two characters on the paper tap= e. > I can't speak for an 8/E or OS/8, for that matter. As I recall, the machine (single Digital serial # - original 8) that TSS/8 was originally developed used the RIM loader to load the disk bootstrap. I remember a paper tape on the console ASR-33 and then toggling the RIM loader., etc. =E1=90=A7 --000000000000003d0805f9de9dca Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable


On Fri, Apr 21, 2023 at 1:58= =E2=80=AFPM John Cowan <cowan@ccil.org= > wrote:
=
In principle I suppose you could have t= oggled in the RIM loader (17 words) and read in the TD8E bootstrap using ei= ther Model 33 or high-speed paper tape, but I doubt if anyone did that.=C2= =A0 RIM format alternated between addresses and values, with each taking up= two characters on the paper tape.
<= span class=3D"gmail_default" style=3D"font-family:arial,helvetica,sans-seri= f">I can't speak for an 8/E or OS/8, for that matter. As I recall, the = machine (single Digital serial # - original 8) that TSS/8 was originally de= veloped used the RIM loader to load the disk bootstrap.=C2=A0I r= emember a paper tape=C2=A0on the console ASR-33 and then toggling the RIM l= oader., etc.
3D""=E1=90=A7
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