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Original values of the TAB-MASK table.
| c | TAB1 | TAB2 | MASK | ||||
|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | None | None | None |
| 1 | 0 | 0 | 0 | 1 | 0 | 3 | 0100 |
| 2 | 0 | 0 | 1 | 0 | 0 | 1 | 0100 |
| 3 | 0 | 0 | 1 | 1 | 1 | 3 | 0010 |
| 4 | 0 | 1 | 0 | 0 | 1 | 2 | 0010 |
| 5 | 0 | 1 | 0 | 1 | N/A | N/A | N/A |
| 6 | 0 | 1 | 1 | 0 | 0 | 2 | 0100 |
| 7 | 0 | 1 | 1 | 1 | 2 | 3 | 1000 |
| 8 | 1 | 0 | 0 | 0 | 2 | 3 | 1000 |
| 9 | 1 | 0 | 0 | 1 | 0 | 2 | 0100 |
| 10 | 1 | 0 | 1 | 0 | N/A | N/A | N/A |
| 11 | 1 | 0 | 1 | 1 | 1 | 2 | 0010 |
| 12 | 1 | 1 | 0 | 0 | 1 | 3 | 0010 |
| 13 | 1 | 1 | 0 | 1 | 0 | 1 | 0100 |
| 14 | 1 | 1 | 1 | 0 | 0 | 3 | 0100 |
| 15 | 1 | 1 | 1 | 1 | None | None | None |
