Why is LEA 0x89AB(%A0),%A0 an Illegal Instruction in 86k assembly : [Click here to view the question][1]


  [1]: https://i.stack.imgur.com/9MDHU.png


here is the programming card :
https://files.fm/u/7pfmqca9

Why is LEA 0x89AB(%A0),%A0 an Illegal Instruction in 86k assembly?
