[TUHS] PDP-10 UNIX?

Clem cole clemc at ccc.com
Tue Sep 19 06:43:55 AEST 2017


I would bet it was the Snyder compiler. 


That makes sense if it's '73.   That would be the Ritchie front end and v5/v6 syntax as I remember 


Sent from my PDP-7 Running UNIX V0 expect things to be almost but not quite. 

> On Sep 18, 2017, at 4:22 PM, Lars Brinkhoff <lars at nocrew.org> wrote:
> 
> Clem Cole wrote:
>>>> There was a PDP-10 C compiler in the late 1970s, that was kicking
>>>> around CMU, MIT and Stanford
>>> When you say MIT, do you know if that was at the AI lab (i.e. ITS),
>>> or elsewhere?
>> I thought there was a copy on ITS at one point. You tell me. I know it
>> was at CMU as I used it there. Many/Most of the compilers we had we
>> also at Stanford and MIT modulo differences in the OS environments.
> 
> In the ITS files from 1990, I have found two C compilers:
> - C10 by Alan Snyder,
> - and an incomplete port of KCC.
> 
> The KCC files seem to be from the late 80s.  Alan Snyders thesis is from
> 1973 and mentions the PDP-10.  So I wonder C10 if went from MIT to CMU
> and Stanford, or if there's some other compiler which came to MIT?


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