A dedicated console version of Tank II was announced in 1977 .
A dedicated console version of Tank II was cancelled later that year ; the joysticks for the game , however , became the standard joystick controllers for the Atari 2600 ( 1977 ) .
A dedicated console version of Tank II was announced in 1977 but cancelled later that year ; the joysticks for the game , however , became the standard joystick controllers for the Atari 2600 ( 1977 ) .