Inverse Cryptology Authors Harold Lamkin Publication Syntax Pub Details Volume: 2 Issue: 6 Date June 1981 Pages 3 Read the article See all articles from Syntax/Syntax ZX80 v2 n6 Challenging code breaking game for 2 uses 4K ROM and 1K RAM. Products Downloadable Media Related Articles Tags Syntax, 1981, Type-in program, ZX80 People Harold Lamkin
