The INS and OUTS of the Timex TS1000 & ZX81
The INS and OUTS of the TS1000/ZX81 contains the complete circuit diagram of this amazing computer, as well as a full discussion of the unorthodox methods which are used in making this microcomputer do what it does. The author also includes a number of practical projects to enable you to take full advantage of the system’s hardware including expanding its memory capabilities. This INS and OUTS of the TS1000/ZX81 deals extensively with the hardware aspects of the TS1000/ZX81, and is a must for anyone interested in building their own peripherals for this computer.
Don Thomasson, Melbourne House, ISBN 0- 86161-1187
Price 9.99