Texas Instruments TI-83 PLUS - Manual (Page 534)

TI-83 Plus Programming 531
Program Output
For Output( on a Horiz split screen, the maximum value for row is 4.
getKey
getKey returns a number corresponding to the last key pressed,
according to the key code diagram below. If no key has been pressed,
getKey returns 0. Use getKey inside loops to transfer control, for
example, when creating video games.
Program Output
Note:  , Œ ,  , and
Í were pressed during
program execution.
Note: You can press É at any time during execution to break the program.