[Techtoolslist] Atari 6502A NOP adapter

[Greg Baumgratz]

Found it... not sure if attachments are along on here, so I'm not going 
to try.  I'll email it direct to Martin.  If it should be uploaded 
somewhere please let me know...  I did see a reference to it at 
http://www.coinop.org/kb_dl.aspx/KB/Test_Equipment/ as well.

Greg



Greg Baumgratz wrote:

> 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 at 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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>>

>>

>

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