parseIntに16進数形式の文字列を渡してみる

/**
 * Copyright asahiufo ( http://wonderfl.net/user/asahiufo )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/pPJz
 */

package {
    import flash.display.Sprite;
    import flash.text.TextField;
    import flash.text.TextFieldAutoSize;
    public class FlashTest extends Sprite {
        public function FlashTest() {
            var tracer:TextField = new TextField();
            tracer.autoSize = TextFieldAutoSize.LEFT;
            addChild(tracer);
            
            tracer.appendText(String(parseInt("0xAB")) + "\n");
            tracer.appendText(String(parseInt("-0xAB")));
        }
    }
}