ZX81 Screen Clear AuthorsJohn ThomasPublicationCATS NewsletterPub DetailsCATS v6 n9/10Volume: 6 Issue: 9-10DateFebruary/March 1989Pages8Read the articleSee all articles from CATS v6 n9/10 Here’s a nice touch for a program. It allows erasing “bottom lines” rather than all as in CLS. TagsCATS Newsletter TS 1000 Type-in program PeopleJohn Thomas