Re: Aw: [stella] Space Savers

Subject: Re: Aw: [stella] Space Savers
From: Chris Wilkson <ecwilkso@xxxxxxx>
Date: Fri, 3 Sep 2004 15:48:51 -0400 (EDT)
On Fri, 3 Sep 2004, Eckhard Stolberg wrote:

> > Yeah, the 7800 was the best I could come up with, but who knows?  Maybe it
> > doesn't have the hardward interrupt used?  I don't know the
> architecture....
>
> The 7800 does use interrupts. You can ask the MARIA to generate
> an interrupt when certain scanlines have been processed. Also
> the IRQ line is brought out on the cartridge port. And since the
> 7800 starts 2600 games from it's BIOS where it has plenty of
> opportunities to mess up the console's state, it would be best
> to initialize anything that your code relys on in your 2600
> game.


Mmmmm......good stuff.  Thanks Eckhard!

-Chris


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