| a | b | cmp_wrap(a, b) |
| --- | --- | --- |
| 00 | 00 | 0 |
| 00 | 01 | 1 |
| 00 | 10 | 1 |
| 00 | 11 | 0 |
| 01 | 00 | 0 |
| 01 | 01 | 0 |
| 01 | 10 | 1 |
| 01 | 11 | 1 |
| 10 | 00 | 0 |
| 10 | 01 | 0 |
| 10 | 10 | 0 |
| 10 | 11 | 1 |
| 11 | 00 | 1 |
| 11 | 01 | 0 |
| 11 | 10 | 0 |
| 11 | 11 | 0 |