Changes
  JoyFire3 Pin5 --|>|------------- Pin8 GND            Pin8 GND
  JoySel1  Pin8 ------------------ Pin8 GND            Pin8 GND
  Batt4.5V (+-)  ------------------ Pin8 GND            Pin8 GND  Batt4.5V (-+)  ------------------ Pin7 +5V            Pin7 +5V
The Atari-ST adapter is supported by G-Paint 2.0.
