Keyboard input/Keypress check: Difference between revisions

=={{header|Plain English}}==

Print the numeric value of any key pressed without waiting.

<lang plainenglish>To run:

Start up.

Handle any events.

Shut down.

To handle any events:

Deque an event.

If the event is nil, exit.

Handle the event.

Repeat.

To handle an event:

If the event's kind is "key down", handle the event (key down).

To handle an event (key down):

Put the event's key into a key.

Write "" then the key to the console.

If the key is the escape key, relinquish control.</lang>