Machine Code Graphics and Sound for the Commodore 64
Advanced BASIC and Machine code for the Commodore 64
Sprites and Sound on the Commodore 64
The COMAL Handbook Second Edition.
Begnning COMAL + Addendum by Børge Christensen.
Machine Language for the absolute beginner from Melbourne House by Danny Davis.
Compute!s Inside Amiga Graphics.
VIC Revealed, thanks to Uffe Jakobsen.
Advanced Machine Language book for the Commodore 64, thanks to Thomas Rønne Viborg.