If you have ever wanted to design your own computer or wondered what was behind the most successful microcomputer of the 1980s, then this is the book for you. For the first time, the inner working of the Sinclair ZX Spectrum's custom chip and heart of the computer, the Ferranti ULA, is exposed in minute detail.
Bombom D4 File
Unfortunately, I couldn't find any concrete information on the origins of "bombom d4." It's possible that the term emerged on a lesser-known online platform, forum, or social media site, which has limited its spread and recognition.