System Implementation Languages (was Re: what was VMS/OpenVMS written in?)

Chuck Guzis cclist at sydex.com
Wed Dec 1 12:19:31 CST 2010


On 1 Dec 2010 at 9:48, Al Kossow wrote:

> Smalltalk in itself.
> 
> The Alto Mesa system in itself
> 
> DEC SRC Topaz in Modula-2 Plus
> 
> and on and on

...and that's not counting the implementation languages that were 
written specifically for a platform.  CDC Cyber in the 70's went from 
being almost exclusively assembly with FORTRAN sprinkled in to large 
sections written in SYMPL (based loosely on Pascal).  CDC STAR OS was 
entirely IMPL (LRLTRAN with inline assembly capabilities and some 
datatype extensions).

--Chuck




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