Re: [stella] Super Pong schematics?

Subject: Re: [stella] Super Pong schematics?
From: "Roger Williams" <mer02@xxxxxxxxxxxxx>
Date: Wed, 22 May 2002 18:31:51 -0700
----- Original Message -----
From: Adam Thornton <adam@xxxxxxx>
To: <stella@xxxxxxxxxxx>
Sent: Wednesday, May 22, 2002 10:26 AM
Subject: Re: [stella] Super Pong schematics?

> On Wed, May 22, 2002 at 12:10:55PM -0500, Adam Thornton wrote:
> > Mine's battery case was entirely eaten away, but if I supply 6V to it
> > externally, it plays fine.  However, the score stays zero to zero.  My
> > guess is that everything inside (I haven't opened it up yet--lots of
> > corrosion on the screws, and I'm a little scared to) is TTL anyway, and
> > the score is probably just an 8-bit counter with 4 bits for each
> > player.  Which means I can probably just replace it.

My understanding was that Pong was pretty much reduced to a single chip
at some point.  If it's a little handheld thing it's probably not
repairable.  If
it's one of the big early units then maybe it's TTL, but I think all the
controls were analog.

> And, uh, what kind of bit is that Mercedes-symbol-looking screw anyway??

Probably "Torx."

--Roger Williams

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