Super Mario 256 "hidden levels"
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Author:  eggman [ Thu Aug 03, 2017 1:13 am ]
Post subject:  Super Mario 256 "hidden levels"

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?

Author:  lidnariq [ Thu Aug 03, 2017 1:35 am ]
Post subject:  Re: Super Mario 256 "hidden levels"

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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