THE PROGRAMMING GUIDE TO THE Z80 CHIP covers many of the popular personal computers of the 1980s, including the Coleco ADAM, Osborne 1, Radio Shack TRS-80, ZX Spectrum, Sega's Master System, and many others. Near Fine: Light shelfwear or corner bump; bright, clean pages. Some toning to pages, otherwise clean. No dust jacket, as original. From the Computer Technology Collection curated by Mulligan Books.