Re: Battlezone Signature Analysis Procedures

>From the SA guides that were up on Spies (SA notes page 47), I was under
the impression the 6502A and the 8080 would provide the same signatures
in 'test' mode, and the 6502 would provide different signatures. Part of
the reason I haven't sat down with Peter's guides yet :)

tm

John Robertson wrote:
>
> 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 12:31:22 2002