6510/65816 Addressing mode: Accumulator -- A

 (ASL,DEC,INC,LSR,ROL,ROR)
 (1 byte)  (2 cycles)

    +---------------+------------------+-----------------------+----------+
    |     Cycle     |   Address Bus    |       Data Bus        |Read/Write|
    +---------------+------------------+-----------------------+----------+
    |           1   |  PBR,PC          | Op Code               |    R     |
    |           2   |  PBR,PC+1        | Internal Operation    |    R     |
    +---------------+------------------+-----------------------+----------+

    See also: Abbreviations