INC                    INC Increment memory by one                    INC

  Operation:  M + 1 -> M                                N V - B D I Z C
                                                        / . . . . . / .

  +----------------+-----------------------+---------+---------+----------+
  | Addressing Mode| Assembly Language Form| OP CODE |No. Bytes|No. Cycles|
  +----------------+-----------------------+---------+---------+----------+
  |  ZeroPage      |   INC $FF             |   $E6   |    2    |    5     |
  |  ZeroPage,X    |   INC $FF,X           |   $F6   |    2    |    6     |
  |  Absolute      |   INC $FFFF           |   $EE   |    3    |    6     |
  |  Absolute,X    |   INC $FFFF,X         |   $FE   |    3    |    7     |
  +----------------+-----------------------+---------+---------+----------+
  For penalty cycles on the 65816, check the desired addressing mode.


 4510 Versions:

  +----------------+-----------------------+---------+---------+----------+
  | Addressing Mode| Assembly Language Form| OP CODE |No. Bytes|No. Cycles|
  +----------------+-----------------------+---------+---------+----------+
  |  Implied       |   INC                 |   $1A   |    1    |    1s    |
  |  ZeroPage      |   INC $FF             |   $E6   |    2    |    ?     |
  |  Absolute      |   INC $FFFF           |   $EE   |    3    |    ?     |
  |  ZeroPage,X    |   INC $FF,X           |   $F6   |    2    |    ?     |
  |  Absolute,X    |   INC $FFFF,X         |   $FE   |    3    |    ?     |
  +----------------+-----------------------+---------+---------+----------+
  s Instruction requires 2 cycles when CPU is run at 1 MHz or 2 MHZ


 65816 Extensions:

  +----------------+-----------------------+---------+---------+----------+
  | Addressing Mode| Assembly Language Form| OP CODE |No. Bytes|No. Cycles|
  +----------------+-----------------------+---------+---------+----------+
  | Implied        |   INC                 |   $1A   |    1    |    2     |
  +----------------+-----------------------+---------+---------+----------+