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From: jdg@elmgate.UUCP (Jeff Gortatowsky)
Newsgroups: net.micro.atari16
Subject: Re: 68020
Message-ID: <499@elmgate.UUCP>
Date: Thu, 24-Jul-86 08:52:45 EDT
Article-I.D.: elmgate.499
Posted: Thu Jul 24 08:52:45 1986
Date-Received: Thu, 24-Jul-86 21:38:28 EDT
References: <860722125056.438578@HIS-PHOENIX-MULTICS.ARPA>
Organization: Eastman Kodak Co., Rochester, NY
Lines: 18

In article <860722125056.438578@HIS-PHOENIX-MULTICS.ARPA>, DPickett@HIS-PHOENIX-MULTICS.ARPA writes:
> 
>      Actually, with its dynamic bus sizing and cache, it is simple to
> make a board with some 32 bit memory (optional but desirable) and a
> 68020 to replace the 68000 directly.  

Of course almost any CPU can replace any other if the proper hardware
glue is installed.  The much larger problem is handling the kernel level
problems.  As I'm sure your aware the stack frames generated by the 68020
(and 010) are not all together compatible. The kernel has to look at the 
stored format number or it's a gone'r.



-- 
Jeff Gortatowsky       {allegra,seismo}!rochester!kodak!elmgate!jdg
Eastman Kodak Company  
<Kodak won't be responsible for the above comments, only those below>