The Absolute Beginner’s Guide to Machine Code Programming on the ZX81/TS1000/TS1500 Authors Jack Hodgson Publication Sinclair Timex User Group Newsletter Pub Details Volume: 3 Issue: 6 Date August 1984 Pages 1, 8-10 Read the article See all articles from Sinclair Timex User Group Newsletter v3 n6 Products Downloadable Media Related Articles Tags Sinclair Timex User Group Newsletter, Machine language programming, TS 1000, Tutorial People Jack Hodgson