Path: ...!local-4.nntp.ord.giganews.com!Xl.tags.giganews.com!local-2.nntp.ord.giganews.com!nntp.earthlink.com!news.earthlink.com.POSTED!not-for-mail NNTP-Posting-Date: Wed, 02 Oct 2024 23:55:14 +0000 Date: Wed, 2 Oct 2024 18:55:14 -0500 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird From: David Schultz Subject: Re: Whether something is RISC or not (Re: PDP-8 theology, not Concertina II Progress) Newsgroups: comp.arch References: <868r55parv.fsf@linuxsc.com> <2024Jan11.080258@mips.complang.tuwien.ac.at> <550600971b1a36b4b630c496cb21b96b@www.novabbs.org> <018ebe1f2f8bd9aced9c25c9aca5effe@www.novabbs.org> Content-Language: en-US In-Reply-To: <018ebe1f2f8bd9aced9c25c9aca5effe@www.novabbs.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Message-ID: Lines: 14 X-Usenet-Provider: http://www.giganews.com NNTP-Posting-Host: 108.194.109.87 X-Trace: sv3-5Np8CMACPV8ZWXOKaGmnJsdge7/FMxbpJ9f7oFhyAQLLRIJfJfnRotGYl0RtzK4oiLF933DmiXvPb+T!OqrdbsnzKFTh+3Uu+nTLW28l5RGTrdqJatw7MXonWpg63JAXMZ/B6b0BpSeMKbJ65D4yyfgDfvjz!GLtawNEp67dbiiQEVIna87rMLu+yWqgRtoFhIya5Xw== X-Abuse-and-DMCA-Info: Please be sure to forward a copy of ALL headers X-Abuse-and-DMCA-Info: Otherwise we will be unable to process your complaint properly X-Postfilter: 1.3.40 Bytes: 2315 On 10/2/24 4:34 PM, MitchAlsup1 wrote: > In the original 68000, a barrel shifter would have blown the area > budget--it would have been about equal to the d-section; even in > 16-bit form. Remember this was a 1 layer metal design before poly > silicon was in the process. Before polysilicon? I find that hard to believe. Looking at the die shot at 6502.org I see either two layers of metal or metal plus polysilicon. http://www.visual6502.org/images/pages/Motorola_68000.html -- http://davesrocketworks.com David Schultz