This book provides a comprehensive guide to structured assembly language programming for the PDP-11 computer architecture. It aims to teach readers the principles of assembly language by focusing on structured programming techniques, moving beyond the traditional, often unstructured, approach. The text covers the PDP-11's instruction set, addressing modes, and system architecture, demonstrating how to write efficient and maintainable assembly code.

This text is likely regarded as a foundational resource for students and professionals learning PDP-11 assembly programming with a structured approach. Its focus on pedagogical clarity and practical application suggests it was designed to bridge the gap between theoretical computer architecture and hands-on coding. The emphasis on structure would have been particularly valuable in an era where assembly programming was often perceived as complex and error-prone.