From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ronald G Minnich <rminnich@lanl.gov>
To: <9fans@cse.psu.edu>
Subject: Re: [9fans] Virtual memory & paging
In-Reply-To: <5.1.0.14.2.20020204160035.025616c0@mail.real.com>
Message-ID: <Pine.LNX.4.33.0202050832010.8565-100000@snaresland.acl.lanl.gov>
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Date: Tue,  5 Feb 2002 08:32:51 -0700
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On Mon, 4 Feb 2002 skipt@real.com wrote:

> >see any old burroughs stack machine. Or the i286. Compilers do not
> >necessarily need to cooperate.
>
> Do you mean systems that had hardware like this memory bank switch:
>
> http://home.swipnet.se/~w-68269/z80_mmu.pdf

actually just about everybody did that one with the z80. Lots of
companies (HP, TI, etc.) used z80s in embedded service, and ca. 1981 began
to put in bank-switch schemes.

And no, the burroughs did not work like that at all.

ron