This is a C64 port of the Colecovision game Space Panic, also featuring the Adam's Musicbox demo. If you just want to play the game, check out the CSDb page.
You need 64tass to assemble the game, and you need to activate the --long-branch
command line switch.
You will also need the following ROM images, named:
[BIOS] ColecoVision (USA, Europe).col
Space Panic (USA, Europe).col
Adam's Musicbox Demo (USA) (Demo).col