Machine Code Games Routines for the Commodore 64 By Paul Roper

Commodore 64 Computing book by Ian Sinclair

Creating Arcade Games on the Commodore 64 By Robert Camp - Coil Bound Edition

Commodore 64/128 Assembly Language Programming - 6x9 Coil Bound Edition

Introducing SPECTRUM Machine Code How To Get More Speed - Ian Sinclair - 1983

The Machine Language Book of the Commodore 64 - By Lothar Englisch - Coil Bound

Machine Language for the Commodore 64, 128, and Other Commodore Computers - SB

Machine Language For The Commodore 64, 128, and Other Commodore C