Informative as reference or from front to back.
I have skimmed through after reading the introduction and preface. The book contains a mass of extremely useful information about the ZX and also contains the complete schematics for the ZX Spectrum 48K. "... It is possible to implement a 100 per cent compatible clone of the 48K ZX Spectrum using discrete or programmable logic, such as a CPLD." pg 1.
Verified purchase: Yes | Condition: New