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PostPosted: Thu Aug 03, 2017 1:13 am 
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Joined: Thu Jul 13, 2017 12:23 am
Posts: 7
I guess you all know this trick where you put a Tennis cartridge in the Famicom toploader, leave the system on and then put a Super Mario cartridge in. 256 hidden or rather glitch levels appear. I wonder if this would work also with a european NES. As I got it the reason it does not work is the lock-out chip. Would the Mario-Tennis trick work if one disables the lock-out chip?


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PostPosted: Thu Aug 03, 2017 1:35 am 
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Joined: Sun Apr 13, 2008 11:12 am
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Location: Seattle
Previous thread about this topic.

CIC shouldn't matter, actually. Just have to not do a full power cycle, so that RAM retains its contents. Something like "power on with tennis" (or any other way of pre-loading RAM with the right values), hold reset, swap carts, release reset.


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