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From: ncoverby@ndsuvax.UUCP (Glen Overby)
Newsgroups: comp.sys.m68k
Subject: Re: Virtual Machine (was: Apollo (was: MINIX port to A1000))
Message-ID: <479@ndsuvax.UUCP>
Date: Sun, 15-Nov-87 01:06:41 EST
Article-I.D.: ndsuvax.479
Posted: Sun Nov 15 01:06:41 1987
Date-Received: Tue, 17-Nov-87 01:49:24 EST
References: <8711050534.AA25885@jade.berkeley.edu>
Reply-To: ncoverby@ndsuvax.UUCP (Glen Overby)
Organization: North Dakota State University  Fargo, ND
Lines: 16
Keywords: virtual machine, emulation, 68010

In article <19097@amdcad.AMD.COM> tim@amdcad.UUCP (Tim Olson) writes:
|In article <2051@killer.UUCP> jfh@killer.UUCP (The Beach Bum) writes:
|| Interestingly enough, some manufacturer built a machine with two 68000's.
|| The main 68K ran along until a page fault.  Then (and this is from memory)
|| the second 68K loaded the faulted page while the first was halted waiting
|| for DTACK to be asserted.  Once the page was loaded, the second 68K
|| asserted DTACK for the first CPU, and then waited for the next page fault.

I recall a Motorola tech note describing a small virtual memory system using
two 68000s as described above.

I don't know the tech note number or anything like that.
-- 
Glen Overby
Bitnet: ncoverby@ndsuvax 
UUCP: uunet!ndsuvax!ncoverby