ZX81 ROM Explored (Part 6) Authors Gary Hearn Publication Computer Trader Magazine Pub Details Computer Trader Magazine Oct 1984 Date October 1984 Pages 57-59 Read the article See all articles from Computer Trader Magazine Oct 1984 Products Downloadable Media Related Articles Exploring the ZX81 ROM (Part 5) Image Gallery Tags 1984 TS 1000 People Gary Hearn