Authors
Ken Berggren
Publication
Pub Details
Syntax/Syntax ZX80 v2 n8Volume: 2 Issue: 8
Date
August 1981
Pages
15
See all articles from Syntax/Syntax ZX80 v2 n8
In 1K ZX80s, large programs easily overfill the 24 available screen lines. This machine language routine deletes the top line from the screen so you can add lines to the bottom.