Install through the software center "higan"
Calibarate the settings for a Gravis GamePad Pro
Settings, Configuration
"Super Famicon", go through all the Key Combinations
Refer: http://airbornesurfer.com/2015/04/how-to-setup-a-generic-joystick-or-gamepad-in-ubuntu-linux/
$ sudo apt-get install joystick
$ sudo apt-get install jstest-gtk
See if it's calibibrated properly
$ jstest-gtk