Re: Atari 6502A NOP adapter

That's kinda funny - that was my post. Brings back memories...

I'll need to knock a few brain cells to remember that one. Since it was
my post referencing that doc I'm assuming that it is still on my drive
somewhere, although I think there are mirrors all over the net of Al's
archives. I'll take a look and email you if I find it. I eventually
sold off my 5004, but I think I still have the NOP adapter.

Greg

martin@guddler.co.uk wrote:
> Hi all,
>
> Just been trying to find information on what is different about the KK
> 6502 (Atari) NOP adapter that makes it produce 8080 signatures as
> opposed to the normal 6502 ones and I discovered that the question has
> been posed before - not surprising I guess.
>
> Just wandering if this mystery was ever solved and perhaps I'm not
> looking in the right places?
>
> I'm sure I once took down signatures from a working board using my
> standard 6502 adapter but as always, when I want them, I'm damned if I
> can find them so maybe I imagined it.
>
> In case anyone hasn't a clue what I'm talking about, see the footnote
> on page 14 of the PDF document "SigAnalNotes.pdf" that ought to be all
> over the net but I can't find a link to it just yet!
>
> The original TechTools list message where this was asked before is
> here (with no answer):
> http://www.vectorlist.org/TechTools/2002/10/0035.html
>
> Thanks,
> Martin.
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Received on Sat Jan 24 17:26:40 2009