ZX81 Resources Authors Peter McMullin Publication T-S Horizons Publication Details Issue: 21 Date Pages 7-9 Read the article See all articles from T-S Horizons n21 Larken LDOS, Eprom Services Programmer, modified version of program that appeared in Compute. Products Downloadable Media Related Articles Tags T-S Horizons, LARKEN Electronics, Peter McMullin (company), TS 1000, Type-in program, ZX81 People Larry Chaverie
