Unix v2 in PDP-7 assembly language

Warner Losh imp at bsdimp.com
Fri Oct 18 18:16:20 CDT 2019


On Fri, Oct 18, 2019, 3:29 PM SPC via cctalk <cctalk at classiccmp.org> wrote:

> El vie., 18 oct. 2019 a las 23:26, Paul Koning via cctalk (<
> cctalk at classiccmp.org>) escribió:
>
> > Neat.  I remember seeing a PDP-7 at DECUS as part of a display honoring
> > the early history of Unix.  It wasn't running, unfortunately, but it
> looked
> > like a complete machine.  That was in The Hague, in the 1980s.
> >
> > Does this run on SIMH?  That has PDP-7 emulation.
> >
>
> Yeah. For years, in fact. It even runs a reconstructed version of UNIX v1.
>

The pdp7 code was reconstructed from 1/2 of the sources. Volume 2 was just
found and work is underway to transcribe and debug it.

Warner


Regards
> Sergio
>


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