WSUB, DWSUB
WSUB s1, s2, d
DWSUB s1, s2, d
These commands subtracts s2 from s1 and store the result in d. WADD subtracts word values and DWADD subtracts double word values.
| P | M | F | S | C | T | D | Constants | |
| s1 | O | O | O | O | ||||
| s2 | O | O | O | O | ||||
| d | O | O | O |
In the ladder above, D1 will get 95.