1943: The Battle of Midway (Arcade)

Cheat: Choose your weapon
Hold these buttons at beginning of each stage to activate the weapon:

Stage  Weapon    1P side         2P side

 1     Shotgun   down            A 

 2     Shotgun   A               B 

 3     Laser     upright+A+B     down+B 

 4     Shotgun   downleft+B      leftup 

 5     3way      A               upright+A+B 

 6     Auto      left            right+B 

 7     Shell     upleft          down 

 8     3way      left+A+B        A+B 

 9     Laser     downright+A+B   rightdown+A+B 

 10    Shell     upright+B       downright 

 11    Auto      upleft          upright+A 

 12    3way      right+A+B       rightup+A 

 13    Auto      up              down 

 14    Laser     upleft+A+B      right+A+B 

 15    Shell     downright+A     down+A 

 16    Auto      right+A         left