[Simh] DECserver (terminal server) emulation?

[Johnny Billquist]

On 2017-04-08 22:37, Tim Stark 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?

The roms for the DS100, DS200 and DS300 are only for booting. The actual 
system is always downloaded over MOP, and the images are available.
Not sure what you intend to do with this, though. Isn't easier to just 
write a LAT client, if you want that?
There even already exists one, although a bit buggy, if you are interested.

	Johnny

-- 
Johnny Billquist                  || "I'm on a bus
                                   ||  on a psychedelic trip
email: bqt at softjar.se             ||  Reading murder books
pdp is alive!                     ||  tryin' to stay hip" - B. Idol