PantherXL Clone Custom Game Controller

The PantherXL was a Trackball/Joystick game controller that hasn't been made since the late 90's I made and used a clone a few years ago with a Teensy and Arduino software
Link to code
https://drive.google.com/file/d/1f__uvbhtmPRolIGWt5qGPhsM2gcu2K7P/view