Annotated 4K ROM Listing Authors Publication Syntax Publication Details Volume: 2 Issue: 5 Date May 1981 Pages 5-6 Read the article See all articles from Syntax/Syntax ZX80 v2 n5 The 4K ROM SAVE routine listing, including the original designer’s notes. Products Downloadable Media Related Articles Tags Syntax, 1981, Reference, ZX80 People No people associated with this content.