RetriX leave the game when i press B inside PS1 games

im using windows 10 18XX and when i launch a playstation 1 game, anytime i use the B button using XBOX360 controler, retrix just leave the game to the main screen.

All PS1 bios installed correctly and the games are working fine, this is the only problem.

On XBOX i got PS1 games running very slow, freezing image and sound, but the B button work fine!

Any fix for these 2 issues? thanks