[TUHS] PDP-10 UNIX?

Warner Losh imp at bsdimp.com
Mon Sep 18 00:31:19 AEST 2017


On Sun, Sep 17, 2017 at 8:28 AM, Arthur Krewat <krewat at kilonet.net> wrote:

> Was there ever a UNIX or even the thought of porting one to a PDP-10?
>
> 36-bit machine, 18-bit addresses (more on KL10 and KS10), and:
>
> *0 would return register 0 instead of a SIGSEGV ;)
>
> 8-bit bytes would have been a wasteful exercise, but you never know.
> (losing 4 bits of every 36-bit word)
>

IIRC, there was a NetBSD/pdp10. Don't know how far it got.

The instructor of my first C course in college wrote a very good C compiler
for TOPS-10/TOPS-20.

Warner
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://minnie.tuhs.org/pipermail/tuhs/attachments/20170917/65341082/attachment.html>


More information about the TUHS mailing list