LXA                                                                   LXA
                                                     N V - B D I Z C
  Operation:  X04 <- (X04) /\ M04                    ? ? - - - - ? ?
              A04 <- (A04) /\ M04

  +----------------+-----------------------+---------+---------+----------+
  | Addressing Mode| Assembly Language Form| OP CODE |No. Bytes|No. Cycles|
  +----------------+-----------------------+---------+---------+----------+
  |  Immediate     |   LXA #$FF            |   $AB   |    2    |    2     |
  +----------------+-----------------------+---------+---------+----------+