PLA                 PLA Pull accumulator from stack                   PLA

  Operation:  A from Stack                              N Z C I D V
                                                        / / . . . .
                                 (Ref: 8.6)
  +----------------+-----------------------+---------+---------+----------+
  | Addressing Mode| Assembly Language Form| OP CODE |No. Bytes|No. Cycles|
  +----------------+-----------------------+---------+---------+----------+
  |  Implied       |   PLA                 |   $68   |    1    |    4     |
  +----------------+-----------------------+---------+---------+----------+