[Simh] Simh Digest, Vol 194, Issue 67

[Bob Supnik]

Thanks, Matt. I would never have thought to look there.

/Bob

On 3/24/2020 9:11 AM, simh-request at trailing-edge.com wrote:
> Message: 1
> Date: Tue, 24 Mar 2020 01:05:39 +0000
> From: Matt Burke<matt at 9track.net>
> To:simh at 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-953029213099 at 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