 The name POKEY comes from the words "POtentiometer" and "KEYboard", which are two of the I/O devices that POKEY interfaces with (the potentiometer is the mechanism used by the paddle).The POKEY chip—as well as its dual- and quad-core versions—was used in many Atari coin-op arcade machines of the 1980s, including "Centipede" and "Millipede", "Missile Command", "Asteroids Deluxe", "Major Havoc", and "".