[Simh] DECserver (terminal server) emulation?

[Ray Jewhurst]

Tim,
I have always wanted to see how many DEC machines could be emulated and
those would be great choices. I am not much of a coder but if you need help
with the other aspects of these, let me know where I can help.  I have been
trying forever to get my butt moving and do work helping out with the help
and documentation of Simh and this may just be the kick in the pants I
need.

Thanks
Ray

On Apr 8, 2017 4:37 PM, "Tim Stark" <fsword7 at verizon.net> wrote:

> Folks,
>
>
>
> I have a great idea about DECserver emulator.  Does anyone plan to emulate
> one of DECserver series?
>
>
>
> I discovered DS 200, 300 and 500 ROM images that I already downloaded some
> time ago.  DS 200 uses 68000 processor and DS 500 uses KDJ11-SD processor.
>
>
>
> SIMH’s existing 11/53 emulator can virtually be as DECserver 500 with that
> DS500 ROM image.
>
>
>
> SIMH’s 11/53 emulator do not have ROM mapping for that ROM image. My copy
> of KDJ11-SD CPU technical manual said that it requires 32K or 64K ROM image
> for booting.
>
> ROM image start at 17400000 through 17777777 (wrapping 128K ROM space with
> I/O page at top).
>
>
>
> I have plans to implement that on my MSE emulator. I am still working on
> it. VAX emulation is almost finished.
>
>
>
> Also, I found DS 200 tech docs through eBay.  I finally found CI780 tech
> docs!!!
>
> I am still looking for DS 300 tech docs.
>
>
>
> Any ideas?
>
>
>
> Tim
>
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