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From: baum@apple.UUCP (Allen J. Baum)
Newsgroups: comp.arch
Subject: Re: An idea I'm kicking around
Message-ID: <641@apple.UUCP>
Date: Mon, 20-Apr-87 18:37:48 EST
Article-I.D.: apple.641
Posted: Mon Apr 20 18:37:48 1987
Date-Received: Tue, 21-Apr-87 05:38:32 EST
References: <12884@watnot.UUCP> <136@tmsoft.UUCP>
Reply-To: baum@apple.UUCP (Allen Baum)
Organization: Apple Computer, Inc.
Lines: 9

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The Bell Labs CRISP call instruction saves the return address in the stack,
which happens to be in the registers because of their stack cache.

The HP Spectrum call instructions put the return address into any of the GPRs.

I think even the old PDP-6/10/20 had instructions that did exactly that.

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