Interfacing Tips and Troubles: Interfacing the Sinclair Computers, Part Two Authors Neil Bungard Publication The Computer Journal Pub Details Issue: 14 Date Pages 24-26 Read the article Basic and machine language routines for interfacing. Tri-state interface schematic. Products Downloadable Media Related Articles Interfacing Tips and Troubles: Memory Mapped I/O on the Sinclair ZX81 Interfacing Tips and Troubles: Interfacing the Sinclair Computers, Part One Tags The Computer Journal, Hardware project, TS 1000, TS 1500, TS 2068, Type-in program, ts2068book People Neil Bungard