PHP                 PHP Push processor status on stack                PHP

  Operation:  P to Stack                                N Z C I D V
                                                        . . . . . .
                                 (Ref: 8.11)
  +----------------+-----------------------+---------+---------+----------+
  | Addressing Mode| Assembly Language Form| OP CODE |No. Bytes|No. Cycles|
  +----------------+-----------------------+---------+---------+----------+
  |  Implied       |   PHP                 |   $08   |    1    |    3     |
  +----------------+-----------------------+---------+---------+----------+