Tron (1982) - Details
A hacker is split into molecules and is transported into a computer. In this computer a mean program called Master Control behaves like a dictator. The hacker, who programmed a number of features of the environment he got into, teams up with a book keeping program and his girl-friend and together they try to replace Master Control with Tron. Tron is an honest safety system.
Action / Adventure / Fantasy / Science Fiction