Re: visual 6502 simulation...

From: Nate Lawson <>
Date: Thu, 16 Sep 2010 15:04:38 -0700
Message-ID: <>
Wolfgang Moser wrote:
> Vanessa Ezekowitz schrieb:
>> On Thu, 16 Sep 2010 11:43:27 +0200
>> Wolfgang Moser <> wrote:
>>> There are some 20000x20000 shots from the 8726 REU-DMA chip lying around
>>> at my harddisk.... But I thought to save them until I retired ;-)
>> These need to be placed on a server somewhere for easy access!
> Michael Huth whom I provided one of my REUs to (a 1700 with a 8726R1 in
> a "golden" DIL-64 package) and who actually did the die shots with a
> precision stepper microscope at one of his former research facilities.
> Of course he made the single shots publically available:
> "My work" in fact is puzzling together all the tiny single shots (this
> is done already) and then reverse-engineering the chip and adding
> findings to me REU technical refernece write-up. I really don't know,
> when I find the time to do this.

BTW, I've put a higher-res shot of the 6581 filter section on my
website. It was done by Christopher Tarnovsky and is higher quality than
most I've seen.

If Michael Huth wants resistance measurements taken of lines at various
points in the filter, I can ask Chris if he'd be willing to do that.


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Received on 2010-09-16 23:00:05

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