Famicom controllers with modded cords won't work with a NES Four Score.

[treismac]

I have two Famicom controllers (the original first player with start and select buttons and Hudson's Joycard) that I have swapped out the Famicom cords for NES ones.  They work fine on my NES unless I run them through my NES Four Score.  When they are plugged into the Four Score, the only button that works in A, which pauses the game and moves right and presses the A button.  Why does this only happen when my modded Famicom controllers are plugged into my Four Score?

[untinip]

As I understand it, your Four Score adapter works fine with normal NES-controllers, right? Is it the PAL version?

[tonev]

Sometimes this happens on my regular nes controllers with an nes system without the four score and to fix it i have ti unplug  it and plug it back in.