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.

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