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=MAILING_LIST_MULTI, NICE_REPLY_A,RCVD_IN_DNSWL_NONE autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 27473 invoked from network); 4 Feb 2021 00:52:46 -0000 Received: from minnie.tuhs.org (45.79.103.53) by inbox.vuxu.org with ESMTPUTF8; 4 Feb 2021 00:52:46 -0000 Received: by minnie.tuhs.org (Postfix, from userid 112) id 1FAC49C9AD; Thu, 4 Feb 2021 10:52:42 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id 39ACF9BA47; Thu, 4 Feb 2021 10:52:21 +1000 (AEST) Received: by minnie.tuhs.org (Postfix, from userid 112) id 461EA9BA47; Thu, 4 Feb 2021 10:52:18 +1000 (AEST) Received: from relay10.mail.gandi.net (relay10.mail.gandi.net [217.70.178.230]) by minnie.tuhs.org (Postfix) with ESMTPS id 570EB9BA40 for ; Thu, 4 Feb 2021 10:52:17 +1000 (AEST) Received: from Mac-Pro.local (unknown [143.244.48.21]) (Authenticated sender: aek@bitsavers.org) by relay10.mail.gandi.net (Postfix) with ESMTPSA id DF144240005 for ; Thu, 4 Feb 2021 00:52:14 +0000 (UTC) To: tuhs@minnie.tuhs.org References: <202102030759.1137x7C2013543@freefriends.org> <202102030858.1138wuqd011051@freefriends.org> <27567.1612399305@hop.toad.com> From: Al Kossow Message-ID: Date: Wed, 3 Feb 2021 16:52:12 -0800 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:78.0) Gecko/20100101 Thunderbird/78.7.0 MIME-Version: 1.0 In-Reply-To: <27567.1612399305@hop.toad.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit 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: , Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" On 2/3/21 4:41 PM, John Gilmore wrote: > Clem Cole wrote: >>> MC 68K was created in 1980 or thereabouts. > > Wikimedia Commons has a pic of a 1979 XC68000L: > > https://commons.wikimedia.org/wiki/File:XC68000.agr.jpg > https://en.wikipedia.org/wiki/File:XC68000.agr.jpg > > After a USENET posting pointed me at them, I browsed the Sunnyvale > Patent Library to bring home the patents for the Motorola 68000. They > include a full listing of the entire microcode! I ended up copying it, > taping the sheets together to reconstitute Nick Tredennick's > large-format "hardware flowcharts", and hanging them in the hallway near > my office at Sun. Fascinating! Oliver Galibert's work on re the 68000 https://og.kervella.org/m68k/ http://gendev.spritesmind.net/forum/viewtopic.php?t=3023