; Hacker's Delight, page 16
1 var 8 x
2 var 8 y
3 xor 8 1 2
4 or 8 1 2
5 and 8 1 2
6 xnor 8 1 2

7 ulte 1 3 4 
8 ulte 1 5 6
9 or 1 -7 -8
10 root 1 9