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Newsgroups: comp.lang.eiffel,comp.lang.ada,comp.lang.modula3,comp.programming
Subject: Re: Alternatives to C: ObjectPascal, Eiffel, Ada or Modula-3?
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From: Patrick Scheible <kkt@zipcon.net>
Date: 24 Mar 2010 16:15:24 -0700
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Date: 2010-03-24T16:15:24-07:00
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Adam Beneschan <adam@irvine.com> writes:

> On Mar 24, 2:27=A0pm, p...@informatimago.com (Pascal J. Bourguignon)
> wrote:
> 
> > > True. =A0But P-code was for student use, not production, especially not
> > > production in an application where execution time was critical.
> >
> > This is wrong.
> >
> > P-code was designed, and used, exactly like the JVM is today. =A0There
> > even were developed processors that executed directly P-code, natively,
> > like we have JVM implemented in hardware too.
> 
> I think Patrick is essentially correct; the Wikipedia entry for "UCSD
> Pascal" says:
> 
> "The University of California, San Diego Institute for Information
> Systems developed it in 1978 to provide students with a common
> operating system that could run on any of the then available
> microcomputers as well as campus DEC PDP-11 minicomputers."  [This was
> before the IBM PC came out, so I think "then available microcomputers"
> meant Terak and maybe Apple II; perhaps there were some others.]

I encountered it on a CP/M system.  S-100 bus, Z80 processor.  Apple
II's that I saw didn't run it, but I wouldn't swear that it was
impossible.

-- Patrick