LXA                                                                   LXA

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

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

  Also known as LAX #$FF (immediate).

  Warning: This opcode is said to be unstable!