| 0 1 | 2 3 4 | | 567 | 8 9 a | b c d | e | f |
| | RT | | 010 | RB | RA!=0 | 0 | 1 | add
+ | offs | | 010 | RA | 0 0 0 | 0 | 1 | addi
| | RT | | 011 | RB | RA!=0 | 0 | 1 | sub.
| | RT | | 010 | RB | RA | 1 | 1 | mul
| | RT | | 011 | RB | 0 0 0 | 0 | 1 | neg.
### System
-10/16-bit mode:
-
- | 0 1 | 2 3 4 | | 567 | 8 9 a | b c d | e | f |
- | | | | 010 | 0 0 0 | 0 0 0 | 0 | 1 | sc
- | | | | 010 | 0 0 1 | 0 0 0 | 0 | 1 | rfid
-
**not available** in 10-bit mode:
| 0 1 2 3 | 4 | | 567 | 8 9 a | b c d e | f |
### Unallocated
- | 0 1 | 2 3 4 | | 567 | 8 9 a | b c d | e | f |
- | | | | 010 | 0 1 0 | 0 0 0 | 0 | 1 |
- | | | | 010 | 0 1 1 | 0 0 0 | 0 | 1 |
- | | | | 010 | 1 0 0 | 0 0 0 | 0 | 1 |
- | | | | 010 | 1 0 1 | 0 0 0 | 0 | 1 |
- | | | | 010 | 1 1 0 | 0 0 0 | 0 | 1 |
- | | | | 010 | 1 1 1 | 0 0 0 | 0 | 1 |
-
| 0 1 2 3 | 4 | | 567 | 8 9 a | b c d e | f |
| 0 0 1 0 | | | 001 | 1 | 0 | 1 |
| 0 0 1 1 | | | 001 | 1 | 0 | 1 |