enum PspCtrlButtons
{
    /** Select button. */
   PSP_CTRL_SELECT    = 0x000080,
   /** Start button. */
   PSP_CTRL_START      = 0x000040,
   /** Up D-Pad button. */
   PSP_CTRL_UP        = 0x000001,
   /** Right D-Pad button. */
   PSP_CTRL_RIGHT      = 0x000008,
   /** Down D-Pad button. */
   PSP_CTRL_DOWN         = 0x000004,
   /** Left D-Pad button. */
   PSP_CTRL_LEFT         = 0x000002,
   /** Left trigger. */
   PSP_CTRL_LTRIGGER  = 0x000010,
   /** Right trigger. */
   PSP_CTRL_RTRIGGER  = 0x000020,
   /** Triangle button. */
   PSP_CTRL_TRIANGLE  = 0x000200,
   /** Circle button. */
   PSP_CTRL_CIRCLE    = 0x000800,
   /** Cross button. */
   PSP_CTRL_CROSS      = 0x000100,
   /** Square button. */
   PSP_CTRL_SQUARE    = 0x000400,
};