COP                          COP Coprocessor                           COP

 65816 only!
                                                        N V M X D I C Z
  Operation:  Coprocessor Instruction                   . . . . 0 1 . .

  +----------------+-----------------------+---------+---------+----------+
  | Addressing Mode| Assembly Language Form| OP CODE |No. Bytes|No. Cycles|
  +----------------+-----------------------+---------+---------+----------+
  | Immediate      |   COP #$FF            |   $02   |    2    |    7/8   |
  +----------------+-----------------------+---------+---------+----------+