@olivierdroid92 Thanks. I already remap on retroarch menu. But A, R button of 2P is not working.
My favorite board is x64. I want to play tekken tag with my friend. tekken tag is possible playing in mame2010.
A, R button of 2P is not not working also on RP3, RP3+, X64 all board with all game pad, gpio too.