Below is a fix of the Mattel game Astroblast. The hack below fixes the extra ship bug related to a 100k score mentioned on this Atari Compendium page. A modified version of the assembly source from Dennis Debro's Disassemblies repository is provided as well as the object code (ROM file).
Below are a couple of archives that contain most of the demos that were created in 1998 and 1999. The source code is
provided as well as the object code (ROM file).