gistfile1.as

private var keyBuffer:Array = [];

private var konami:Array = [Keyboard.UP, Keyboard.UP, Keyboard.DOWN, Keyboard.DOWN, Keyboard.LEFT, Keyboard.RIGHT, Keyboard.LEFT, Keyboard.RIGHT, "a".charCodeAt(), "b".charCodeAt() ];

private var type_timeout:uint;
		
private function init_cheats_listener():void{
	stage.addEventListener(KeyboardEvent.KEY_UP, on_cheat_key_up);
}

private function on_cheat_key_up(evt:KeyboardEvent):void{
	if(type_timeout)
		clearTimeout(type_timeout);
			
	if(keyBuffer.length == konami.length)
		keyBuffer.shift();
				
	if(evt.charCode == 0)
		keyBuffer.push(evt.keyCode);
	else
		keyBuffer.push(evt.charCode);
			
	if(keyBuffer.join("") == konami.join(""))
		trace("The konami code!");
		
	type_timeout = setTimeout(reset_cheats, 1000);
}
		
private function reset_cheats():void{
	keyBuffer = [];
}