This book is not intended to teach you machine code on the CBM 64. It contains 40 machine code routines that can be used in your Basic or machine code programs to do things that are not implemented in the standard BASIC or operating system in your Commodore 64.

The book includes a listing of Supermon which is a public domain assembler I disassembler written by Jim Butterfield (thanks Jim). It can be used to enter the programs in this book if you do not possess an assembler. The listings are all given twice: once in an assembled listing from the PAL assembler from Proline Software (this, along with POWER, is the best machine code development package that I have seen), and once in a disassembled version suitable for entering with Supermon or similar.