Re: [stella] 7800

Subject: Re: [stella] 7800
From: danboris@xxxxxxxxxxxxxxxx (Dan Boris)
Date: Fri, 13 Nov 1998 13:50:45 -0500
> 
> How similar is this "backdoor" to the trick used to make Lynx carts without
> Atari encryption? 

The backdoor he was talking about in the 7800 was just in Harry's cartridge. It still doesn't explain how Harry's cart passes the valdation test in the first place. I have looked over the bios and don't see anywhere where you could steel control away from the bios before the validation check happens, short of putting some special circuitry on the cartridge.

Dan Boris

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