SEP                   SEP Set Processor Status Bits                   SEP

 65816 only!
                                                        N V M X D I Z C
  Operation:  P V B -> P                                / / / / / / / /

  +----------------+-----------------------+---------+---------+----------+
  | Addressing Mode| Assembly Language Form| OP CODE |No. Bytes|No. Cycles|
  +----------------+-----------------------+---------+---------+----------+
  | Immediate      |   SEP #$FF            |   $E2   |    2    |     3    |
  +----------------+-----------------------+---------+---------+----------+