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From: baum@apple.UUCP (Allen J. Baum)
Newsgroups: comp.arch
Subject: Re: register windows
Message-ID: <6533@apple.UUCP>
Date: Thu, 22-Oct-87 14:34:35 EST
Article-I.D.: apple.6533
Posted: Thu Oct 22 14:34:35 1987
Date-Received: Sun, 25-Oct-87 08:27:47 EST
References: <201@PT.CS.CMU.EDU> <8801@utzoo.UUCP> <8758@shemp.UCLA.EDU> <5567@jade.BERKELEY.EDU>
Reply-To: baum@apple.UUCP (Allen Baum)
Organization: Apple Computer, Inc.
Lines: 15

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[]
>In article <5567@jade.BERKELEY.EDU> mwm@eris.BERKELEY.EDU (Mike (My watch has windows) Meyer) writes:
>Every time I've looked at an article on register windows, I think of
>something I refer to as "the Johnson stack machine."
>I have good reason to believe that AT&T was working on hardware that
>used this model. Does anyone know what became of that?
>
>Better yet, can someone who actually understands hardware explain why
>I've not seen anything like the above in the real world?

Check out the ATT CRISP microprocessor (see ASPLOS II, or Feb.87 Compcon
proceedings). That's what they are using.

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