TRON. Poster of the 1982 movie and cover of the book novelization
VS3
Tron
Brian Daley, 1982
movie vs book   [NOVELIZATION]
Steven Lisberger, 1982

Kevin Flynn is a leading software engineer, formerly employed by the computer corporation ENCOM, who now runs a video game arcade and attempts to hack into ENCOM’s mainframe system. Before Flynn can get the information he needs to reveal Dillinger’s acts, the MCP uses an experimental laser to digitize and download Flynn into the ENCOM mainframe cyberspace.