imutes Spaceshooter

This is my first Gameboy game and my first C program that I developed. It has a lot of bugs. You can make suggestions on how I can fix these bugs.I currently have problems with the insertion of shooting. I hope I can do it soon. Gameplay English: Avoid enemy objects and do not collide with the ground. German: Weiche den gegnerischen Objekten aus und vermeide es, mit dem Boden zu kolidieren. Story English: A new planet was discovert: Prometheus IV. Very soon after its discovery a team of scienties made theirway into the outter reaches of the galaxy to explore the newly found planet. Already aft...