I recorded all of the sigs using a HP 5004a for Centipede, Millipede and Missile Command to get the equivalent versions of all the Catbox sigs listed in the manuals.
Depending on where the Start, Stop and Clock is placed on the board, the signatures were either different or the same as the Catbox sigs.
From memory I think the ones around the CPU were different and this is where the clock division is required but sigs for other parts of the circuitry were the same as the manual.

The guide is hosted here (and other places) if anyone wants a copy http://www.arcade-cabinets.com/HP5004a_sigs/HP5004a_sig_centipede_MC_millipede.pdf

Thanks,
Mark

On Sat, Jun 18, 2016 at 3:30 PM, John Robertson <jrr@flippers.com> wrote:
On 06/16/2016 6:16 PM, tonyhtbsusa wrote:
I have the hp sig sheet for asteroids
How to divide them
I used a hex calculator
Like I said it did not have p on it
So how can I convert the hp to Atari
I think the division is 3
Thanks tony
 I think you want to divide the clock by 2 to get the Atari signatures - so you won't need to convert them. Or am I still not getting it?

Here is one discussion on the problem:

http://forums.arcade-museum.com/archive/index.php/t-200931.html

Obviously I have a lot to learn about signatures - haven't used them in years...

John :-#)#


-----Original Message-----
From: Techtoolslist [mailto:techtoolslist-bounces@flippers.com] On Behalf Of
Kevin Moore
Sent: Thursday, June 16, 2016 8:54 PM
To: jrr@flippers.com; Technical Tools Mail List
Subject: Re: [Techtoolslist] wanted asteroids Signature-Analysis for the cat
box

Yep you need a clock divider. There should be Docs out there with the HP
sigs somewhere.



On Thu, Jun 16, 2016 at 7:02 PM, John Robertson <jrr@flippers.com> wrote:

Well, of course I could be wrong - I haven't run SA on an Asteroids
board in the past five or so years, and today found a good one in my
box'o boards and didn't need to again.

I haven't used the CAT box (still have two of these - a regular one,
and a
prototype) in years as I have a nice HP Signature Multimeter (5005A)
that I use instead when I need to run SA tests, and (AIR) I simply
used the Atari signature from that sheet to repair the boards. However
it has been years since I last tried and could easily be wrong...

John :-#)#


On 06/16/2016 4:19 PM, Tony Jones wrote:

I don't believe this is true.  Normally you need to divide the clock
to use a HP but get signatures that match the Atari docs,  since the
CAT box can perform a NOP in a single clock.

On Thu, Jun 16, 2016 at 4:07 PM, John Robertson <jrr@flippers.com> wrote:

Atari (and Kurz Kasch) used the HP signatures - so if you are not
getting the same results make sure the signatures you have are
correct for the game.
It is always possible you are looking at Asteroids DELUXE signatures
for example...

I am attaching some info that may help.

John :-#)#

On 06/16/2016 3:10 PM, tonyhtbsusa wrote:

asteroids Signature-Analysis cat box


I dug out the cat box

And am trying to fix a board with a problem in the state machine

I found the hp asteroids Signature-Analysis

But they do not match

Does anyone have the Atari cat box asteroids Signature sheet

Also any of the   Signature-Analysis for the cat box

Would be great also


Thanks tony

hi-tech

Arcade repair


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