### Arithmetic
| 16-bit mode | | 10-bit mode |
- | 0 | 1 | 2 3 4 | | 567 | 8 9 a | b c d | e | f |
- | N | | RT | | 010 | RB | RA!=0 | 0 | M | add
- | N | | RT!=0 | | 011 | RB | RA!=0 | 0 | M | sub.
- | N | 0 | 000 | | 011 | RB | RA!=0 | 0 | M | cmpw
- | N | 1 | 000 | | 011 | RB | RA!=0 | 0 | M | cmpl
- | N | | RT | | 010 | RB | RA | 1 | M | mul
- | N | | RT | | 011 | RB | 0 0 0 | 0 | M | neg.
+ | 0 | 1 | 2 3 4 | | 567 | 89a | b c d | e | f |
+ | N | | RT | | 010 | RB | RA!=0 | 0 | M | add
+ | N | | RT!=0 | | 011 | RB | RA!=0 | 0 | M | sub.
+ | N | 0 | 000 | | 011 | RB | RA!=0 | 0 | M | cmpw
+ | N | 1 | 000 | | 011 | RB | RA!=0 | 0 | M | cmpl
+ | N | | RT | | 010 | RB | RA | 1 | M | mul
+ | N | | RT | | 011 | RB | 000 | 0 | M | neg.
10 bit mode: