NewGamepad is the preferred method of initialisation for the Gamepad type Satisifies the ports.NewPeripheral interface and can be used as an argument to ports.AttachPlayer0() and ports.AttachPlayer1().

NewKeypad is the preferred method of initialisation for the Keyboard type Satisifies the ports.NewPeripheral interface and can be used as an argument to ports.AttachPlayer0() and ports.AttachPlayer1().

NewPaddlePair is the preferred method of initialisation for the PaddlePair type Satisifies the ports.NewPeripheral interface and can be used as an argument to ports.AttachPlayer0() and ports.AttachPlayer1().

NewStick is the preferred method of initialisation for the Stick type Satisifies the ports.NewPeripheral interface and can be used as an argument to ports.AttachPlayer0() and ports.AttachPlayer1().

Gamepad represents a two button gamepad.

Keypad represents the VCS keypad type.

Paddles represents a pair of paddles inserted into the same port.

Stick represents the VCS digital joystick controller.