Texas Instruments TI-80 User Manual - Page 155
Creating and Executing Programs, When you finish entering or editing a program, press
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Creating and Executing Programs Access the program editor by pressing K. Then either choose to create a new program or edit an existing program. In general, anything that can be executed from the Home screen can be included in a program. A program command always begins with a colon (:). Creating a New Program To create a new program: 1. Press K 9 9 to display the PRGM NEW menu. Press ¸ to select CREATE NEW. Entering Program Commands Leaving the Program Editor Executing a Program 2. The keyboard is in ALPHA-LOCK. Enter the name you want for the program, followed by ¸. The name may have one to seven characters (A-Z, q, 0-9) and must begin with a letter. 3. Enter the program commands. A colon (:) indicates the beginning of each program command. To enter more than one command on a line, separate them with a colon, just as you would on the Home screen. Press ¸ to indicate the end of a command line. When a command is longer than one line on the screen, it wraps to the next line. 2 6 and 2 9 move the cursor to the beginning and end of a command line. In the program editor, if you press a key that accesses a menu, the menu screen temporarily replaces the program edit screen. When you make a selection or press M, you are returned to the program editor. When you finish entering or editing a program, press 2 . to return to the Home screen. You must be on the Home screen to execute a program. To execute a program: 1. From a blank line on the Home screen, press K to display the PRGM EXEC menu. The names of all existing programs are listed in alphabetical order. 2. Select the program. PRGM_ and the program name are copied to the Home screen; for example, PRGM_ROLL. 3. Press ¸ to begin program execution. While the program is executing, the busy indicator is displayed. Programming 10-5