COMPUTE!'s Machine Language For Beginners Atari VIC Apple Commodore 64 CBM 1983

VIC-20 Interfacing Blue Book Commodore V.J. Georgiou 1982 Paperback Book

Compute!'s First Book of Commodore 64 Compute! Books Publication 1983

"How to Program Your Commodore-64 in 6502 MachineLanguage - 1984 Edition"

Apple Machine Language (Don & Kurt Inman) 6502 Assembly / Mini-Assembler

Book of Games and Tips for the Atari 8bit Computers Roberts Hofacker

Usborne Computer Beginners Programming Handbook in Basic Machine Code Z80 6502

Programming Your Atari Computer by Mark Thompson