Title: The Ghost in the Gate Array
ZX Spectrum ULA: How to Design a Microcomputer , written by Chris Smith, is considered the definitive technical resource for understanding the custom "heart" of the Sinclair ZX Spectrum. The book documents Smith’s extensive reverse-engineering project, where he stripped the ULA chip down to its transistors to reveal its hidden logic and design secrets. Core Technical Focus Title: The Ghost in the Gate Array ZX
The book The ZX Spectrum ULA: How to Design a Microcomputer is not just a technical manual; it is the forensic analysis of that winter in Cambridge. It tells the story of how a small team of engineers, armed with nothing but logic gates and determination, built a machine that introduced a generation to the digital world. The Spectrum wasn't just a computer; it was a testament to the art of designing within limits. The ULA's primary functions include:
The ULA's primary functions include: