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From: firth@sei.cmu.edu (Robert Firth)
Newsgroups: comp.arch
Subject: Re: Segmented Architectures ( formerly Re: 48-bit computers)
Message-ID: <23615@as0c.sei.cmu.edu>
Date: 4 Apr 91 13:49:01 GMT
References: <7920@uceng.UC.EDU> <3310@crdos1.crd.ge.COM> <ZTGAK5E@xds13.ferranti.com> <1991Apr04.023845.3501@kithrup.COM>
Reply-To: firth@sei.cmu.edu (Robert Firth)
Organization: Software Engineering Institute, Pittsburgh, PA
Lines: 19

In article <1991Apr04.023845.3501@kithrup.COM> sef@kithrup.COM (Sean Eric Fagan) writes:

> Data
>registers are 32-bits, and address registers are 64-bits.  *However*:  the
>address registers are actually
>
>	<32-bit segment tag> <32-bit offset>
>
>I defy you to come up with a PROPERLY WRITTEN program that will break.

My pleasure, sir.

	DIMENSION BIGMAT(50000,50000)
	DOUBLE PRECISION BIGMAT

I have a perfectly legal Fortran declaration; I will never use an
index value bigger than seventeen (signed) bits; there is enough
virtual memory to hold it; and your bozo machine will not permit
me to address it.