[Simh] PDP-12

[Pontus Pihlgren]

Hi

As pointed out there is some online and Update has a stack of 
tape that we coul probably work to image. Mattis of 
www.datormuseum.se is working on a TU5X to usb interface with 
intention of archiving his 8 and 12 tapes.

It would be great if Lyles tapes could be read.

Also, Andreas Sandberg had made a somewhat working emulator 
_with_ graphics support for the PDP-12. Perhaps his code can be 
of some help:

http://www.update.uu.se/projects/greenpea.php

/P

On Fri, Jun 05, 2015 at 09:54:10PM -0400, Bob Supnik wrote:
> Al Kossow published a lot of new PDP-12 documents recently, so I
> think there's enough to build a simulator. Now that SimH includes
> graphics emulation, a PDP-12 emulator is practical, but it only
> makes sense if software is available. Has anyone found the software
> systems for the PDP-12? It will run OS/8 (probably), but I'm
> thinking of its "native" software - DIAL and DEMO.
> 
> There's nothing on Bitsavers except for paper-tapes. pdp8.org claims
> to have some Linctapes, but they have not been transcribed. pdp8.net
> is down (gone?). Any other sources? Because of differences in
> encoding and bit ordering, it may take a running PDP-12 to read a
> Linctape.
> 
> The PDP-12 would be easier to emulate than the Linc-8, because the
> 12 was one system that has two modes of operation, while the Linc-8
> was actually two separate systems. Neither was a great success, but
> SimH is getting to the fringes of the DEC world, like the PDP-15/76,
> and not many of those experiments were solid commercial successes.
> 
> /Bob Supnik
> 
> 
> 
> 
> 
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