Untitled - TRS-80 Color Computer Archive

COMPUTERS GuideTo Typing In ProgramsComputers are precise—type the program exactly as listed, including necessary punctuation and symbols, exceptfor special characters noted below. Wehave provided a special listing convention as well as a program to check yourtyping—"The Automatic Proofreader."Programs for the IBM, TI-99/4A,and Atari ST models should be typedexactly as listed; no special charactersare used. Programs for Commodore,Apple, and Atari 400/800/XL/XEcomputers may contain some hard-toreadspecial characters, so we have alisting system that indicates these control characters. You will find theseCommodore and Atari characters incurly braces; do not type the braces. Forexample, {CLEAR} or {CLR} instructsyou to insert the symbol which clearsthe screen on the Atari or Commodoremachines. A complete list of these symbols is shown in the tables below. ForCommodore, Apple, and Atari, a singlesymbol by itself within curly braces isusually a control key or graphics key. Ifyou see {A}, hold down the CONTROLkey and press A. This will produce areverse video character on the Commodore (in quote mode), a graphics character on the Atari, and an invisiblecontrol character on the Apple.Graphics characters entered withthe Commodore logo key are enclosedin a special bracket: \