See all articles from Syntax/Syntax ZX80 v4 n1
In Robert Nappi‘s Star Hunter (Nov.82) delete lines 80 and 90 and insert:
88 LET A=A-1*(A>0)+(INKEY$="Z")*2*(A<21)This lets one key (Z) control both up and down cannon. Material inside parentheses is analyzed for truth value 1 or 0.
Paul Ezra, San Diego, CA
Composer, part of ZX81 Home Computer Package from Lamo-Lem (reviewed Nov.82), can be better “tuned up” by POKEing the following values during a BREAK and SAVE: POKE 16586,19 and POKE 16587,17.
Arthur Hunkins, Greensboro, NC
In line 570 of Solar Program (Nov.82), delete some spaces to conserve room.
Ed Buttenhoff, Grand Rapids, MN