30 Programs for the ZX81 Publisher: Richard Francis Author(s): Richard Altwasser Pages: 64 Read the book From the Cambridge Collection are 30 programs for the TS1000 and the ZX81. These programs are written for the unexpanded 1K or 2K machine. Entertainment and learning from one of the designers of tomorrow’s systems. Tags Books, Richard Francis, TS 1000, ZX81 People Richard Altwasser