Totally Safe Machine Code for the ZX81 and TS1000 Authors William J. Pedersen Publication T-S Horizons Publication Details Issue: 21 Date Pages 10 Read the article See all articles from T-S Horizons n21 Tips for writing safe machine code. Products Downloadable Media Related Articles Tags T-S Horizons, Machine language programming, TS 1000, Type-in program, ZX81 People William J. Pedersen
