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Path: utzoo!watmath!clyde!burl!ulysses!allegra!princeton!caip!cbmvax!daveh
From: daveh@cbmvax.cbm.UUCP (Dave Haynie)
Newsgroups: net.micro.apple
Subject: Re: Re: Apple //x
Message-ID: <311@cbmvax.cbmvax.cbm.UUCP>
Date: Fri, 30-May-86 17:06:08 EDT
Article-I.D.: cbmvax.311
Posted: Fri May 30 17:06:08 1986
Date-Received: Sun, 1-Jun-86 06:46:54 EDT
References: <3602@nsc.UUCP>
Organization: Commodore Technology, West Chester, PA
Lines: 29

> 
> The point about Woz and the II x is a little off base.  Two years ago, the 
> IIx was planned based upon a 6 month first silicon working super chip that 
> was both 6502 and 68000.  Management and surely Woz himself had a very 
> optimistic outlook on life.  ...

6502 and 68000 in one chip?  You've GOT to be kidding!  Even if you could 
find a silicon house with the rights to both processors, it would be so much
simpler to have separate 6502 and 68000 processors on the board that you
couldn't possibly justify the added expense of developing a dual part.  Or
look at it this way, 6502 family chips these days cost less than $1.00, and
to hook one up to share a bus with a 68000 would require almost no glue
logic.  

Anyway, its common knowledge that Apple has been looking at the 65C816
chip ever since Bill Mensch had prototypes which could barely run at 500KHz.
The part has some problems, but its not an altogether bad chip, and its 
fast if you can afford fast enough memory.  Besides, Apple only started
looking at 68000 processors as part of the MAC project; they were originally
looking at 6809 parts, which are pretty nice in themselves.

-- 
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Dave Haynie    {caip,inhp4,allegra,seismo}!cbmvax!daveh

	"Let me control a planet's oxygen supply, 
	 and I don't care who makes the laws"
				-Great Culuthu's Starry Wisdom Band
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