[Simh] DECnet for TOPS-10

[Rob Jarratt]

> -----Original Message-----
> From: simh-bounces at trailing-edge.com [mailto:simh-bounces at trailing-
> edge.com] On Behalf Of Johnny Eriksson
> Sent: 13 April 2013 18:37
> To: Timothe Litt
> Cc: simh at trailing-edge.com
> Subject: Re: [Simh] DECnet for TOPS-10
> 
> Timothe Litt <litt at ieee.org> wrote:
> 
> > The supported networking device for both TOPS10 and TOPS20 was the
> KDP
> > (KMC-11/DUP-11); this is the microprocessor from the DMC/DMR with
> > loadable microcode that manages a DUP-11 via DMA over the Unibus.
> > It's a rather unpleasant device...
> 
> I wrote support for the KMC/DUP combo a long time ago, for simh v2.9.
> 
> Works just fine, both for ANF and DECnet.  Sources are (still) at
> ftp://ftp.stacken.kth.se/pub/pdp10/v29upd if anyone is interested.
> 
> I do not have any system up at the moment, due to a combination of HW
> problems and lack of time.
> 
> --Johnny
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That has got to be worth integrating into the latest SIMH. Does that mean we
can get DECnet running on TOPS-10 on SIMH? I would love to know how you
actually install and set it up on TOPS-10.

I believe that even with the device we can't install DECnet on TOPS-20
because I believe it needs a KL processor.

I will try to find some time to get the KMC/DUP into the latest SIMH.

Incidentally, I am the author of the DMC11 emulation (which was proposed by
vaxorcist). It went into the PDP10 emulation for a while but was later
removed when we were informed that it would have represented an impossible
configuration as the DMC11 would have been in the PDP11 front end.

Regards

Rob