* Pin 6 - Fire 2 - This is the standard button, used by most games.
* Pin 7 - Fire 1 - This is the extra button, used only by a few games.
Following the Atari-standard, most joysticks have only one button (the "Fire 2" one). Games that support two buttons are usually optionally allowing to use the SPACE key instead instead of Fire 1.
== Select Signals (COM and COM2) ==