Texas Instruments TI-84 - Manual (Page 456)

Chapter 16: Programming 453
getKey getKey getKey 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.
Note: You can press
É at any time during execution to break the program.
Program Output
Note:

,
Œ
,

, and
Í
were pressed
during program execution.