ZX81 News and Resources Authors Peter McMullin Publication T-S Horizons Publication Details Issue: 19 Date Pages 10-12 Read the article See all articles from T-S Horizons n19 Larken Disk system for TS1000, Mini XMODEM 1.7 for ZX81 and TS 2050, Fred Nachbaur’s JOBASIC. Products Downloadable Media Related Articles Tags T-S Horizons, JOBASIC, LARKEN Electronics, Mini-XMOD, Peter McMullin (company), TS 1000, TS 2050, ZX81 People Fred Nachbaur