ZX81 ROM Explored (Part 6) AuthorsGary HearnPublicationComputer Trader MagazinePub DetailsComputer Trader Magazine Oct 1984DateOctober 1984Pages57-59Read the articleSee all articles from Computer Trader Magazine Oct 1984 Related ArticlesExploring the ZX81 ROM (Part 5) Tags1984 TS 1000 PeopleGary Hearn