This book takes the reader through the design and implementation of the Sinclair ZX Spectrum's custom chip, revealing for the first time the decisions behind it

First published in 1982, William Tang’s Spectrum Machine Language for the Absolute Beginner is generally considered to be the best introduction to 8-bit machi

How did computers invade the homes and cultural life of 1980s Britain? Remember the ZX Spectrum? Ever have a go at programming with its stretchy rubber keys? Ho

Covers Programming the Z80 in Assembly Language & Teaches Both Novices & Advanced Programmers to Write Complete Z80 Programs. Requires No Prior Knowledge of Pro