Here are some cheats and tips for the game Star Soldier.
Super laser:
Hold Up/Left + A + B and power on the
NES. Continue to hold those buttons, then press Select,
Start. Press Select during game play to enable
the super laser.
Full weapons:
Press Select(10) at the title screen. Then, hold Down/Right
on controller two and press Up, Left, A,
B, Start(2) on controller one. Press Select
to switch between the five shot weapon and the laser.