65816 Addressing mode: Stop the Clock -- h

 (STP)
 (1 byte)  (3 cycles)

    +---------------+------------------+-----------------------+----------+
    |     Cycle     |   Address Bus    |       Data Bus        |Read/Write|
    +---------------+------------------+-----------------------+----------+
    |           1   |  PBR,PC          | Op Code               |    R     |
    |           2   |  PBR,PC+1        | Internal Operation    |    R     |
    |   RES=1   3   |  PBR,PC+1        | Internal Operation    |    R     |
    |   RES=0   1c  |  PBR,PC+1        | RES(BRK)              |    R     |
    |   RES=0   1b  |  PBR,PC+1        | RES(BRK)              |    R     |
    |   RES=1   1a  |  PBR,PC+1        | RES(BRK)              |    R     |
    |           1   |  PBR,PC+1        | BEGIN                 |    R     |
    +---------------+------------------+-----------------------+----------+

    See also: Abbreviations
              Hardware interrupt