Thanks, Matt. I would never have thought to look there.
/Bob
On 3/24/2020 9:11 AM, simh-requ...@trailing-edge.com wrote:
Message: 1
Date: Tue, 24 Mar 2020 01:05:39 +0000
From: Matt Burke<m...@9track.net>
To:simh@trailing-edge.com
Subject: Re: [Simh] VAX 750 and 730 (was Is it possible to simulate
the first Vaxen I ever used?)
Message-ID:<0fc8ba2d-1853-45fa-bd2f-953029213...@9track.net>
Content-Type: text/plain; charset=utf-8
On 23/03/2020 19:16, Bob Supnik wrote:
One of the problems with simulating the non-VLSI VAXen, other than the
780, is that the microcode is not available. Back at DEC, I had the
730 microcode in a huge notebook (it was 16KW), but I discarded it
when I moved out of Hudson and downsized my document collection. We
really need the microcode for the 750, 730, 8600/8650, 8200 (V11), and
8800.
The various microcodes may be available in the DEC fiche collection at
CHM, but I haven't been able to get out there to do the research, and
travel is out of the question right now.
The 11/750 microcode listing is available on Bitsavers (not under the
directory you might expect though):
http://www.bitsavers.org/pdf/dec/pdp11/xxdp/fiche_200dpi/0187_CMT098.MCX_750uCod.pdf
Matt
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