Black Hole Authors Bill Eckel Publication SYNC Pub Details Volume: 1 Issue: 3 Date May/June 1981 Pages 8-9 Read the article See all articles from SYNC v1 n3 Game based on an Elf (RCA 1802) machine language program. Products Downloadable Media Related Articles Tags SYNC, 1981, Type-in program, ZX80 People Bill Eckel
