Re: [TUHS] AT&T / Teletype DMD 5620 Emulator

[Noel Hunt <noel.hunt@gmail.com>]

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I may be wrong but I thought there was a version of 'pi' for debugging
code running on the Blit/Jerq. Does that run in the emulator?

On Sat, Jan 5, 2019 at 6:18 AM Seth J. Morabito <web@loomcom.com> wrote:

>
> Hello folks,
>
> I realized I should mention this here on TUHS, since it is likely of
> interest to at least some of you!
>
> I recently wrote a DMD 5620 emulator, currently available on Linux and
> Macintosh, with Windows support coming soon. Here's a brief demo of the
> Mac version:
>
>     https://www.youtube.com/watch?v=tcSWqBmAMeY
>
> I wrote it because DMD 5620s are becoming incredibly rare, and showing
> them off in person is quite difficult nowadays.
>
> This emulator is using ROM version 2.0 (8;7;5) dumped from my personal
> 5620. If anyone out there has a DMD 5620 with an older ROM, I would be
> incredibly grateful if you could dump the ROMs. I'd like to find
> versions of 1.x (8;7;3 or earlier); so far I've had no luck.
>
> The main reason I'm interested in older ROMs, besides pure preservation
> reasons, is that the 'mux' and 'muxterm' system on Research UNIX V8/V9
> is hard-coded for the 1.1 ROMs. It doesn't work with the emulator
> without significant tweaking of the source. It DOES work perfectly well
> with the DMD Core Utilities package for the AT&T 3B2, however.
>
> All the best!
>
> -Seth
> --
>   Seth Morabito
>   Poulsbo, WA, USA
>   web@loomcom.com
>

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