First published in 1983, this easy-to-follow guide to the Commodore 64 teaches users forty machine code routines for use in their own programs, enabling them to extend their skills well beyond the limits of BASIC. Not only is this remastered version perfect for hobbyists and collectors, it is also a highly useful resource for those interested in programming retro games and utilities. The programs in the book include everything from graphics routines such as pixel scrollers to memory management and sound production tools. Written by C64 expert Mark Greenshields, this piece of retro computing history helped many aspiring programmers on their way to mastering their craft. *** Acorn Books is proud to present its Retro Reproductions series, a collection of classic computing works from the 80s and 90s given a new lease of life in the 21st century. From standards of programming reference no self-respecting microcomputer coder would be without, to obscure works unavailable for many years, these modern re-prints are perfect for any connoisseur of retro computing.