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From: steve@nuchat.UUCP
Newsgroups: comp.arch
Subject: Re: QM-1 or like machines???
Message-ID: <301@nuchat.UUCP>
Date: Fri, 28-Aug-87 17:46:45 EDT
Article-I.D.: nuchat.301
Posted: Fri Aug 28 17:46:45 1987
Date-Received: Sun, 30-Aug-87 20:11:37 EDT
References: <63900006@convex> <1118@pdn.UUCP>
Organization: Public Access - Houston, Tx
Lines: 16
Summary: Perkin-Elmer, too

In article <1118@pdn.UUCP>, alan@pdn.UUCP (Alan Lovejoy) writes:
> In article <63900006@convex> graham@convex.UUCP writes:
>    >[discussion of company that designed nanocode/microcode CPU intended to
>    >emulate other architectures]
>    >Does any other company build machines intended to be used this way?
> The M680x0 family has a nanocode/microcode architecture, and has been
> used to emulate other architectures.  IBM's XT/370 and AT/370 used
> remicrocoded M680x0's to emulate S370.

I had thought it might just be mythology at the time, but I see now that
it was probably true.  The Perkin-Elmer 3205, at the (very) low end of
their line, had a motorola-marked cpu.  But it was binary compatible
(Double YUK!) with the larger 32XX boxes.  It was said to be a re-micro-
coded 68000.

	Steve Nuchia