Interfacing Tips and Troubles: Memory Mapped I/O on the Sinclair ZX81 Authors Neil Bungard Publication The Computer Journal Publication Details Issue: 17 Date Pages 28-29 Read the article Memory-mapped IO on a Timex/Sinclair computer. Products Downloadable Media Related Articles Interfacing Tips and Troubles: Interfacing the Sinclair Computers, Part One Interfacing Tips and Troubles: Interfacing the Sinclair Computers, Part Two Tags The Computer Journal, Hardware project, TS 1000, TS 1500, TS 2068, ZX81 People Neil Bungard