JOY Function - Plus/4 Encyclopedia



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JOY Function
Category Reference/Commodore Basic V3.5 Topic JOY(X) This function returns a numeric value. This function finds the status of either joystick. X is the port number (1 or 2). The value returned indicates the direction of the joystick, and whether the fire button is pressed. The values returned are: 0: No movement 1: Up 2: Right-Up 3: Right 4: Right-Down 5: Down 6: Left-Down 7: Left 8: Left-Up If the fire button is pressed, 128 is added to the above values. Example `JOY(1) = 3` Joystick 1 is pushed to the right `JOY(2) = 135` Joystick 2 is pushed to the left with the fire button pressed Abbreviation J SHIFT+O