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4 player input bug?
http://forums.nesdev.com/viewtopic.php?f=3&t=16816
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Author:  hackfresh [ Mon Dec 11, 2017 5:25 pm ]
Post subject:  4 player input bug?

I'm not sure if this is a bug but it occurred in both fceux,mesen and nestopia. I can't find anything on the wiki that would suggest this is normal operation but perhaps it is.

If player 3 HOLDS down+right, "B" and "start" are not recognized on the player 1 controller. I tested this in a couple of commercial 4 player games (Gauntlet II, Super Off Road for the NES).

Conversely if player 1 holds "B", if player 3 holds "right + down" it does nothing.

Author:  lidnariq [ Mon Dec 11, 2017 5:43 pm ]
Post subject:  Re: 4 player input bug?

Sounds like a problem with your keyboard not having enough rollover.

Author:  hackfresh [ Mon Dec 11, 2017 5:48 pm ]
Post subject:  Re: 4 player input bug?

Thanks lidnariq. That was indeed the problem.

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