Keyboard input/Keypress check
Keyboard input/Keypress check is a draft programming task. It is not yet considered ready to be promoted as a complete task, for reasons that should be found in its talk page.
Determine if a key has been pressed and store this in a variable.
BASIC
ZX Spectrum BASIC
10 REM k$ will be empty, if no key has been pressed 20 LET k$ = INKEY$