)-l _ G_' _ ttl_I __ - \ [Id Tells the computer that you are done typing or ed iting a pro- . gram line. Returns the cursor to the left margin. In most programming language s, stops and restarts a moving screen display when you want to view a li st in g. Shifts the computer between up- percase and lowercase character modes in ATARI BASI C a nd other programs. Sometimes used in conjunction with the ~ key to change mode s. In ATARI BASIC, exits from the Control Lo ck (graphics cha ra cter) mode. II Sounds the buzzer. (The TV speaker must be turned up for the buzzer to be heard.) lG ttl I 1/ Produces an end-of-file (EOF) response to a program that is reading input from the keyboard.
(Used by more experienced pro- grammers.) Turns the In ve r se Video mode on and off. On ATARI ® 400™ and ATARI ® 800™ models , t hi s key was referred to as the ATARI logo key [JJ . llt\t1ttll Always u se d in conjunction with another key. Prints special gra- phics characters when used with the alphabet keys in ATARI BASIC. Inserts a space between char- acters in ATARI BASIC, although its use varies from program to program. 15