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=-1.0 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HTML_MESSAGE,MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE, URIBL_SBL_A autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 751 invoked from network); 4 Feb 2021 01:36:34 -0000 Received: from minnie.tuhs.org (45.79.103.53) by inbox.vuxu.org with ESMTPUTF8; 4 Feb 2021 01:36:34 -0000 Received: by minnie.tuhs.org (Postfix, from userid 112) id 032F49C9AD; Thu, 4 Feb 2021 11:36:31 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id 0F3699C884; Thu, 4 Feb 2021 11:36:16 +1000 (AEST) Authentication-Results: minnie.tuhs.org; dkim=pass (1024-bit key; unprotected) header.d=ccc.com header.i=@ccc.com header.b="i9zAd6TM"; dkim-atps=neutral Received: by minnie.tuhs.org (Postfix, from userid 112) id 3124F9C884; Thu, 4 Feb 2021 11:36:13 +1000 (AEST) Received: from mail-qv1-f44.google.com (mail-qv1-f44.google.com [209.85.219.44]) by minnie.tuhs.org (Postfix) with ESMTPS id 975309C0A7 for ; Thu, 4 Feb 2021 11:36:11 +1000 (AEST) Received: by mail-qv1-f44.google.com with SMTP id j13so1011465qvu.10 for ; Wed, 03 Feb 2021 17:36:11 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ccc.com; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=XNzLs96xjdTjsZhXCmQwT8s/KwSQh3KZ9X8Huh0u1kM=; b=i9zAd6TMMVCod0F+LhyEaI/DfPurSHYA4Oiob0RFhePt4jJ71Pvr5gUtmurOrtldTw PkG54HUffplnSwJYyKo76IZ5BtehMq/9pqokfKXcou05G9Akj6ku7W61MDFkpnUPKK/o 42hZh3obCOaHek+M76ztAFD1kpc/4h2IM6aN0= 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=XNzLs96xjdTjsZhXCmQwT8s/KwSQh3KZ9X8Huh0u1kM=; b=N28H+GnsrBJXKKXP9Qa9JnmgbBPF859jYTSEuGirZXZBXshAk6fuxxxHsuKGETn5E/ 0OaA/0DOmwMdRdnMXa9l1fghZGCE0wTfwYRYRf2TkdG1ldG2mhIDW1FHEmL4Ck7wXZC8 agTAZdOLT5S0ao81osPgrvspc1zPfd/r9ez1znYCjQtf5EP+AG7GHIyWVFNO0xlKE/I/ 4pbysrpnPQFJNEZw9VBm1Kl81LoRH//1+M3o/+0sl57TovJIuiAuqeJq6/nScsxfZJ4J aHZFehQgzisBbjj2XjBq+GEcXVBr73RMtxzBrn/WKqj0IHawFPnn1drmeA0DNbA/iT1G Bm3A== X-Gm-Message-State: AOAM533WGD/G52T4++JLPxod695GEsd7r/j29PKzGepr4E5RV3xSdlOJ Sfy5QCV4eIOG4x6H763BvHUPTlm8GzN3imuLpZqxzfnEKgwojw== X-Google-Smtp-Source: ABdhPJwhSufKl1I2rUw6g9wkzHuHYxnBlB0rZ8eHrOrmZhkNMbIB9Iv7oTMBGS+LJu95+321b3UdrkdfQsUWztCAQQE= X-Received: by 2002:a05:6214:20a1:: with SMTP id 1mr5749205qvd.30.1612402570214; Wed, 03 Feb 2021 17:36:10 -0800 (PST) MIME-Version: 1.0 References: <202102030759.1137x7C2013543@freefriends.org> <202102030858.1138wuqd011051@freefriends.org> <27567.1612399305@hop.toad.com> In-Reply-To: From: Clem Cole Date: Wed, 3 Feb 2021 20:35:59 -0500 Message-ID: To: Arthur Krewat Content-Type: multipart/alternative; boundary="0000000000006ed78805ba78ba14" Subject: Re: [TUHS] 68k prototypes & microcode 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: tuhs@minnie.tuhs.org Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" --0000000000006ed78805ba78ba14 Content-Type: text/plain; charset="UTF-8" No, that was the 16032 from nat semi. I believe at least Nick and Les had been building oil drilling controll systems using pdp11s and custom TTL For Schulmerger before they came to Moto. They were definitely pdp11 fans. But they had used 360 systems at UT in college. So they idea of a 24 bit pointer stored in a 32 bit word they took from it. Remember the chip was a 16 chip inside. It has 16 bit Barallel shifter and All 32 bit operations took 2 ticks. And int was naturally 16 bits which is what it was in my compiler. I think it was Jack Test's compiler from MIT that was the first one ILP32 one for the 68k. I used to commute to work at Stellar with Les and he told me many of the stories btw. One of them I remember was they were worried about the Barallel shifter because it was one of the pieces that was different between the TTL prototype and the MOS implementation and it was the largest pattern on the die. It was one of the few parts of the chip that had full spice simulation. Clem On Wed, Feb 3, 2021 at 8:18 PM Arthur Krewat wrote: > On 2/3/2021 7:41 PM, John Gilmore wrote: > > When the 68000 was announced, it was obviously head-and-shoulders better > > than the other clunky 8-bit and 16-bit systems, with a clean 32-bit > > architecture and a large address space. > The 68K always reminded me of the VAX. > > art k. > > -- Sent from a handheld expect more typos than usual --0000000000006ed78805ba78ba14 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
No, that was the 16032 from nat semi.

I believe at least Nick and Les had been bu= ilding oil drilling controll systems using pdp11s and custom TTL For Schulm= erger before they came to Moto.=C2=A0 They were definitely pdp11 fans. =C2= =A0 But they had used 360 systems at UT in college.=C2=A0 So they idea of a= 24 bit pointer stored in a 32 bit word they took from it.

Remember the chip was a 16 chip inside.= =C2=A0 It has 16 bit Barallel shifter and All 32 bit operations took 2 tick= s. =C2=A0 =C2=A0And int was naturally 16 bits which is what it was in my co= mpiler.=C2=A0

I think it= was Jack Test's compiler from MIT that was the first one ILP32 one for= the 68k.

I used to comm= ute to work at Stellar with Les and he told me many of the stories btw.=C2= =A0 One of them I remember was they were worried about the Barallel shifter= because it was one of the pieces that was different between the TTL protot= ype and the MOS implementation and it was the largest pattern on the die.= =C2=A0 It was one of the few parts of the chip that had full spice simulati= on.

Clem

<= div class=3D"gmail_quote">
On Wed, Feb= 3, 2021 at 8:18 PM Arthur Krewat <krewat@kilonet.net> wrote:
= On 2/3/2021 7:41 PM, John Gilmore wrote:
> When the 68000 was announced, it was obviously head-and-shoulders bett= er
> than the other clunky 8-bit and 16-bit systems, with a clean 32-bit > architecture and a large address space.
The 68K always reminded me of the VAX.

art k.

--
Sent from a handheld expect more typos t= han usual
--0000000000006ed78805ba78ba14--