| 16-bit mode | | 10-bit mode |
| 0 | 1 | 2 3 4 | | 567 | 8 9 a | b c d | e | f |
| N | | RT | | 011 | RB | RA!=0 | 1 | M | fsub.
- | N | | RT | | 110 | RB | RA!=0 | 0 | M | fadd
+ | N | 0 | RT | | 110 | RB | RA!=0 | 0 | M | fadd
| N | 0 | RT | | 110 | RB | RA!=0 | 1 | M | fmul
+ | N | 0 | RT | | 011 | RB | 0 0 0 | 1 | M | fneg.
+ | N | | RT | | 110 | RB | 0 0 0 | 0 | M |
+ | N | | RT | | 110 | RB | 0 0 0 | 1 | M |
+
+16-bit mode only:
+
+ | 0 | 1 | 2 3 4 | | 567 | 8 9 a | b c d | e | f |
+ | N | 1 | RT | | 011 | RB | RA!=0 | 1 | M |
+ | N | 1 | RT | | 110 | RB | RA!=0 | 0 | M | fmr.
| N | 1 | RT | | 110 | RB | RA!=0 | 1 | M | fdiv
- | N | | RT | | 011 | RB | 0 0 0 | 1 | M | fneg.
- | N | | RT | | 110 | RB | 0 0 0 | 0 | M | fabs
- | N | | RT | | 110 | RB | 0 0 0 | 1 | M | fmr.
+ | N | 1 | RT | | 011 | RB | 0 0 0 | 1 | M | fabs.
+ | N | | RT | | 110 | RB | 0 0 0 | 0 | M |
+ | N | | RT | | 110 | RB | 0 0 0 | 1 | M |
10 bit mode:
### System
-Selection of Compressed-encoding "Bank". Different "banks" give different
+* cbank: Selection of Compressed-encoding "Bank". Different "banks" give different
meanings to opcodes. Example: CBank=0b001 is heavily optimised to A/Video
Encode/Decode.