; Hacker's Delight, page 17, rules a - b
1 var 8 x
2 var 8 y

3 or 8 1 2
4 ugt 1 1 2
5 cond 8 4 1 2
6 ugte 1 3 5

7 and 8 1 2
8 ult 1 1 2
9 cond 8 8 1 2
10 ulte 1 7 5

11 or 1 -6 -10
12 root 1 11