PLY                    PLY Pull Index Y form Stack                     PLY

 65816 only!
                                                        N V M X D I C Z
  Operation:  S+2 ->S, Ws->Y                            / . . . . . . /

  +----------------+-----------------------+---------+---------+----------+
  | Addressing Mode| Assembly Language Form| OP CODE |No. Bytes|No. Cycles|
  +----------------+-----------------------+---------+---------+----------+
  | Implied        |   PLY                 |   $7A   |    1    |    4/5   |
  +----------------+-----------------------+---------+---------+----------+