[Simh] PDP-12

Andrew Warkentin andreww591 at gmail.com
Fri Jun 5 22:35:49 EDT 2015


On 6/5/15, Bob Supnik <bob at supnik.org> 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
>
http://www.pdp8online.com/ is a mirror of pdp8.net that is still around.


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