This book provides a comprehensive guide to programming the 6502 microprocessor using its native assembly language. It aims to equip readers with the fundamental knowledge and practical skills required to understand and utilize the 6502's instruction set, addressing its architecture, memory addressing modes, and common programming techniques. The text is structured to build a solid foundation for developing software for systems based on this influential chip.

This book is recognized as a foundational text for learning 6502 assembly language programming, particularly for those interested in vintage computing or embedded systems. Its detailed approach to the instruction set and addressing modes makes it a valuable resource for understanding the inner workings of the processor. The practical examples provided are often cited as helpful for hands-on learning. The book is generally regarded as a solid, if somewhat dated, introduction to the subject matter.