     65816 Addressing mode: Direct Indexed Indirect (R-M-W) -- (d),y

     (SLO,SRE,RLA,RRA,ISB,DCP)
     (2 bytes)   (7,8 cycles)

        +---------------+------------------+-----------------------+----------+
        |     Cycle     |   Address Bus    |       Data Bus        |Read/Write|
        +---------------+------------------+-----------------------+----------+
        |           1   |  PBR,PC          | Op Code               |    R     |
        |           2   |  PBR,PC+1        | Direct Offset         |    R     |
        |           3   |  0,D+DO          | Absolute Address Low  |    R     |
        |           4   |  0,D+DO+1        | Absolute Address High |    R     |
        |       (4) 4a  |  DBR,AAH,AAL+YL  | Internal Operation    |    R     |
        |           5   |  DBR,AA+Y        | Data Low              |    R     |
        |           6   |  DBR,AA          | Old Data Low          |    W     |
        |           7   |  DBR,AA          | New Data Low          |    W     |
        +---------------+------------------+-----------------------+----------+
        (4) Add 1 cycle for indexing across page boundaries, or write, or X=0.
            When X=1 or in the emulation mode, this cycle contains invalid
            addresses.

        See also: Abbreviations