Difference between revisions of "ON KEY(n)"

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:'''11, 12, 13 and 14''' for '''UP, LEFT, RIGHT and DOWN''' numberpad arrows 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]]
+
:'''15-25''' for '''user-defined keys'''. See: [[KEY n]], [[Keyboard scancodes]]
  
 
:'''30 and 31''' for '''F11 and F12''' function keys
 
:'''30 and 31''' for '''F11 and F12''' function keys

Revision as of 22:33, 17 November 2010

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:

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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