ON KEY(n)

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Revision as of 16:00, 26 January 2011 by imported>Clippy
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The ON KEY(n) statement defines a line number or label to go to when a specified key is pressed.


Syntax: ON KEY (n) GOSUB {linelabel|linenumber}


Description:

  • The keys apply to the list of keys shown below, where n is the number that represents that key.
1-10 for F1-F10 function keys respectively
11, 12, 13 and 14 for UP, LEFT, RIGHT and DOWN numberpad arrows respectively.
15-25 for user-defined keys. See: KEY n, Keyboard scancodes
30 and 31 for F11 and F12 function keys


Example:

KEY(1) ON ON KEY(1) GOSUB trap PRINT "Press F1 to quit!" DO:LOOP 'never ending loop trap: PRINT "You pressed F1 like I told you to :)" END RETURN


See also:




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