Re: Battlezone Signature Analysis Procedures

From: John Robertson <pinball_at_telus.net>
Date: Wed Jul 24 2002 - 15:09:14 EDT

The NOP is the same for 6502 or 6502A...I hardwired a 6502A in the NOP
state (and have a simple reset circuit hardwired to it as well) that I just
plug into a CPU socket.

John :-#)#

At 01:38 PM 24/07/2002 -0500, tom mcclintock wrote:

>Peter Fyfe *did* do a signature analysis guide for Battlezone, but I
>don't know if he ever finished it. I've got a copy if anyone wants it. I
>am, however, not clear if he made his signatures with a 6502 or 6502A
>NOP.
>
>Peter, you still on here?
>
>
>tm
>
>Matt Rossiter wrote:
> >
> > Does anyone have documented procedures for Battlezone using either the
> > Cat Box or the HP 5004a?
> > If not, I suppose I could try getting started on one. I really like
> > Peter Fyfe's procedures for Asteroids.
> > The Battlezone schematics have procedures for the aux board but not the
> > main board.
> >
> > Matt
> >
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Received on Wed Jul 24 12:22:09 2002

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