[hooverphonique]

Originally Posted by ross

Ok, if you are in the dark side of the force:

    lea    $dff004,a0
    
.l1    lsr    (a0)
    bcc.b    .l1    
.l2    lsr    (a0)
     bcs.b    .l2

Maybe it doesn't matter in practice, but this writes to a read-only register, which is not recommended.