[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
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