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=-0.8 required=5.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FROM,HTML_MESSAGE,MAILING_LIST_MULTI, RCVD_IN_DNSWL_NONE autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 14448 invoked from network); 3 Feb 2021 08:54:07 -0000 Received: from minnie.tuhs.org (45.79.103.53) by inbox.vuxu.org with ESMTPUTF8; 3 Feb 2021 08:54:07 -0000 Received: by minnie.tuhs.org (Postfix, from userid 112) id B08649C7B6; Wed, 3 Feb 2021 18:54:03 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id 9BC6C9BA43; Wed, 3 Feb 2021 18:53:37 +1000 (AEST) Authentication-Results: minnie.tuhs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="sU9/tCv7"; dkim-atps=neutral Received: by minnie.tuhs.org (Postfix, from userid 112) id C66E09BA43; Wed, 3 Feb 2021 18:53:34 +1000 (AEST) Received: from mail-qt1-f175.google.com (mail-qt1-f175.google.com [209.85.160.175]) by minnie.tuhs.org (Postfix) with ESMTPS id 38E339BA40 for ; Wed, 3 Feb 2021 18:53:34 +1000 (AEST) Received: by mail-qt1-f175.google.com with SMTP id z9so17020078qtv.6 for ; Wed, 03 Feb 2021 00:53:34 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=v6UL0nao2BepHMDfOq+F1gyIeoykUkxFB1lvG3ePeo8=; b=sU9/tCv7iDwAH/oUno8k8D1nwKttZXBtNyCK4YXA6JF7D9bLP7IbNdHFFqhPw6i7ux mT6hN4sQ1VB7mtvcqSipA8cSBqbk7qtgaxa6DRrh2g2zgKVNsFhEDqftMgeFMkuXpDBT jsaJ5i5WrzozSZWq9XXKYG/j1Hej7iOBNSpoUARgHQLAWaW8f8EO98PrTX7exWi11h5U defAl+nUJAtq7D5/J2ix0rjX4UAlyA1bYL0aY37AjbVULlB4CLQWLYYTUFb0rIcWwkrk 3vbQStN2b+G5269/+12eYe7gZHXtygWH9t/jDX0PJ6nJ5zxnLLyZmT26opoII2mwer8f piqA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=v6UL0nao2BepHMDfOq+F1gyIeoykUkxFB1lvG3ePeo8=; b=WwMtH0vO1AmJBblEcp855QIQ8tYIxpGHTgbHZVDdoUvYaz7nOhLvhJFMKkEJypGfA/ BGshKfIksmSM6pUrI9uBXCGkFRIaICz8Qjt43QbLowlPfBy7yrPL09ytmz1E+ptSaLOG zxv/nOna2Uug9EpAh+R4FbPWe9e4mUIHh8+0YB+VdT4e56kXPQE+o3Q6tsUtKlP1XB7U 2JVQl1u3eTNR1xK4sGAvOp0uTcnBA+x2EGsNK0+yUZU91il0du/WXgQ6iQU1umHobEWp ipi3GefUKMIk6yivyXJ+OJasF6Qe4r5Td2L9tkTQrNZVhoZ1mSSj6txdFfEce/6vEf9c d1/w== X-Gm-Message-State: AOAM53054PDzro+9YvPB2aIdDCsaOsKcb4qtwixHZuNARXmttz8W8eRZ DPb2pvFtU3FReG/erH8XiRv20eJOGEp5rx35LYE= X-Google-Smtp-Source: ABdhPJzz4IYmzf4HszW6x1IkT1jC9MEnpUMlO3HGvUZcEcIsHPJcQ64J6qOwNm8y86OmR1NsipJDTyq7Wl/wRDBSKOw= X-Received: by 2002:ac8:5a48:: with SMTP id o8mr1573862qta.196.1612342413117; Wed, 03 Feb 2021 00:53:33 -0800 (PST) MIME-Version: 1.0 References: <202102030759.1137x7C2013543@freefriends.org> In-Reply-To: <202102030759.1137x7C2013543@freefriends.org> From: Ed Bradford Date: Wed, 3 Feb 2021 02:53:20 -0600 Message-ID: To: arnold@skeeve.com Content-Type: multipart/alternative; boundary="000000000000ca4e5105ba6ab8bc" Subject: Re: [TUHS] AT&T 3B1 - Emulation available 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: , Cc: UNIX Heritage Society Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" --000000000000ca4e5105ba6ab8bc Content-Type: text/plain; charset="UTF-8" It seems to me today's 2GHz processors should be able to emulate a 3B (*3B or not 3B, that is the question*) at a performance that far exceeds an actual 3B. Is the instruction set definition and architecture of a 3B available anywhere? Just wondering. I did such emulations for 68K machines and Cray machines. Ed Bradford ex-BTL, ex Silcon Valley, and ex IBM retiree. On Wed, Feb 3, 2021 at 2:00 AM wrote: > emanuel stiebler wrote: > > > On 2021-01-29 05:49, Arnold Robbins wrote: > > > Hello All. > > > > > > I have made a pre-installed disk image available with a fair amount > > > of software, see https://www.skeeve.com/3b1/. > > > > Thanks for doing & making the disk images, was an easy start! > > You're welcome. It's a fun side project. I think I finally get the > enjoyment of retrocomputing with emulated versions of systems one > used in one's youth. :-) > > > Do you remember, ho to set up the system to have four disk drives? > > > > Cheers & thanks again! > > I don't think it can support more than 2 drives. Certainly the emulator > cannot. I don't know about real hardware. > > You can split a big drive into partitions when formatting with the > diagnostics disk, but I don't think that's what you're asking. > > Sorry, > > Arnold > -- Advice is judged by results, not by intentions. Cicero --000000000000ca4e5105ba6ab8bc Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
It seems to me today's 2GHz processors should be able to e= mulate a 3B (3B or not 3B, that is the question) at a perform= ance that far exceeds an actual 3B. Is the instruction set definition=C2=A0= and architecture=C2=A0of a 3B available anywhere?

Just wondering. I = did such emulations for 68K machines and Cray machines.

Ed Bradford = ex-BTL, ex Silcon=C2=A0Valley, and ex IBM retiree.


On Wed, Feb 3= , 2021 at 2:00 AM <arnold@skeeve.co= m> wrote:
emanuel stiebler <e= mu@e-bbes.com> wrote:

> On 2021-01-29 05:49, Arnold Robbins wrote:
> > Hello All.
> >
> > I have made a pre-installed disk image available with a fair amou= nt
> > of software, see https://www.skeeve.com/3b1/.
>
> Thanks for doing & making the disk images, was an easy start!

You're welcome. It's a fun side project. I think I finally get the<= br> enjoyment of retrocomputing with emulated versions of systems one
used in one's youth. :-)

> Do you remember, ho to set up the system to have four disk drives?
>
> Cheers & thanks again!

I don't think it can support more than 2 drives. Certainly the emulator=
cannot. I don't know about real hardware.

You can split a big drive into partitions when formatting with the
diagnostics disk, but I don't think that's what you're asking.<= br>
Sorry,

Arnold


--
=
Advice is judged by results, not by in= tentions.
=C2=A0 Cicero

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