Unijoysticle 2 allows you to use modern Bluetooth gamepads, e.g Xbox One gamepad, in old computers like the Commodore 64 & 128.
And of course, you can still  use your unicycle to control your retro computer!
Basic functionality
One Bluetooth gamepad controls one joystick. You need two gamepads to control the two joysticks.
Supported controllers:
Sony DUALSHOCK 4
Xbox One S
Nintendo Switch Pro
Nintendo Wii U
Nintendo Wii
Android gamepads
PC/Window gamepads
8BitDo
iCade
And more
See: Supported gamepads