Interfacing Tips and Troubles: Memory Mapped I/O on the Sinclair ZX81 Authors Neil Bungard Publication The Computer Journal Pub 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