@diegus83 No, i mean it was never implemented in the backend of FBNeo, which is the part retroarch (which is a frontend) use. The standalone windows version of FBNeo work around this by having a frontend feature, but retroarch doesn't have this.

@gamingpants hi Have you switxhed your pad as a 6buttons genesis pad ?

cat devices I: Bus=0005 Vendor=2820 Product=0009 Version=0100 N: Name="Bluetooth Wireless Controller   " P: Phys=00:15:83:49:94:89 S: Sysfs=/devices/platform/soc/3f980000.usb/usb1/1-1/1-1.5/1-1.5.2/1-1.5.2:1.0/bluetooth/hci0/hci0:43/0005:2820:0009.0001/input/input0 U: Uniq=9a:fc:dd:48:fb:f8 H: Handlers=sysrq kbd mouse0 js0 event0 B: PROP=0 B: EV=12001f B: KEY=4 0 ffff0000 1f0000 10000 2000007 ff9f307a c14057ff febeffdf ffefffff ffffffff fffffffe B: REL=103 B: ABS=30627 B: MSC=10 B: LED=1f   I: Bus=0005 Vendor=1949 Product=0404 Version=011b N: Name="Broadcom Bluetooth Wireless  Remote Control                  " P: Phys=00:15:83:49:94:89 S: Sysfs=/devices/platform/soc/3f980000.usb/usb1/1-1/1-1.5/1-1.5.2/1-1.5.2:1.0/bluetooth/hci0/hci0:44/0005:1949:0404.0003/input/input2 U: Uniq=74:c2:46:7d:62:f6 H: Handlers=kbd event1 B: PROP=0 B: EV=10001b B: KEY=10000 1110 40000800 1681 0 0 0 B: ABS=100 0 B: MSC=10