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Atari GT security system #114450
12/18/18 06:02 PM
12/18/18 06:02 PM
Joined: Mar 2007
Posts: 282
RColtrane Offline OP
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RColtrane  Offline OP
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Joined: Mar 2007
Posts: 282
Just curious here... what kind of protection does the Atari GT hardware have that makes it so difficult to emulate? Special chips? A security scheme at the board itself? Lack of documentation?

Re: Atari GT security system [Re: RColtrane] #114451
12/18/18 08:11 PM
12/18/18 08:11 PM
Joined: Mar 2001
Posts: 16,134
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R
R. Belmont Online content
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R. Belmont  Online Content
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R
Joined: Mar 2001
Posts: 16,134
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Unknown undocumented custom ASICs that can alter the contents of RAM on their own. Basically the worst possible case.

Fixing it will require at least a logic analyzer and probably custom hardware like the guys who cracked Space Lords and the Gaelco Dallas stuff.

Re: Atari GT security system [Re: R. Belmont] #114452
12/19/18 03:14 PM
12/19/18 03:14 PM
Joined: Mar 2007
Posts: 282
RColtrane Offline OP
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RColtrane  Offline OP
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Joined: Mar 2007
Posts: 282
Thank you for the detailed explanation RB.


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