Hi Aaron,
I spoke to Mark from Sunmark and he said the problem is a connector issue
and he's working on changing it so both games will work on the 7800. He
said the connection tabs on the 7800 have to be a little longer on the cart
circuit board--he extended them and it works fine.
..Al
----- Original Message -----
From: "Aaron Bergstrom" <Aaron.Bergstrom@xxxxxxxxxxxxxx>
To: <stella@xxxxxxxxxxx>
Sent: Friday, February 28, 2003 12:50 PM
Subject: Re: [stella] 2600 Jr incompatibilities
> I recently purchased the Video Life/Magicard multicart from Sunmark.com,
> and I only have a 7800 to run it on. Magicard works, but Video Life just
> shows a black screen. Whether or not that helps anybody track down the
> problem, I don't know.
>
> Glenn Saunders wrote:
> > At 06:27 AM 2/28/2003 -0800, you wrote:
> >
> >> That is odd. I wonder what changes were made between
> >> the 2600 4-switch and the 2600jr? (I didn't think
> >> there would be any) It would be worth comparing the
> >> assembly dump screens of both to find out what's going on.
> >
> >
> >
> > It might be for the same reason some 7800s have problems with certain
> > games. The latter era 7800s removed certain components that Atari Corp
> > in their wisdom deemed unnecessary. It could be that some 2600Jr's, due
> > to cost-cutting, also have certain components removed which change the
> > performance characteristics of the system ever so slightly.
> >
> > I would expect 1-chip Jr's to behave differently, for instance. I would
> > not expect Atari Inc era 2600 Jr's to have any problems because the
> > Warner era engineers should have known how to deliver a 100% compatible
> > system.
> >
> >
>
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>
> --
> Aaron.Bergstrom@xxxxxxxxxxxxxx
> Computer Visualization Manager
> Archaeology Technologies Lab, NDSU
> 701-231-6434
> http://atl.ndsu.edu/
>
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