STP                         STP Stop the Clock                        STP

 65816 only!
                                                        N V M X D I Z C
  Operation:  Stop the clock. Needs reset to continue.  . . . . . . . .

  +----------------+-----------------------+---------+---------+----------+
  | Addressing Mode| Assembly Language Form| OP CODE |No. Bytes|No. Cycles|
  +----------------+-----------------------+---------+---------+----------+
  | Implied        |   STP                 |   $DB   |    1    |    3+    |
  +----------------+-----------------------+---------+---------+----------+