| 16-bit mode | | 10-bit mode |
| 0 | 1 | 2 3 4 | | 567.8 | 9ab | c d e | f |
- | N | | RT | | 010.0 | RB | RA!=0 | M | add
- | N | | RT | | 010.1 | RB | RA | M | mul
- | N | | RT!=0 | | 011.0 | RB | RA!=0 | M | sub.
+ | N | 0 | RT | | 010.0 | RB | RA!=0 | M | add
+ | N | 0 | RT | | 010.1 | RB | RA | M | mul
+ | N | 0 | RT!=0 | | 011.0 | RB | RA!=0 | M | sub.
| N | 0 | 000 | | 011.0 | RB | RA!=0 | M | cmpw
+ | N | 0 | RT | | 011.0 | RB | 000 | M | neg.
+
+16 bit mode only:
+
+ | 0 | 1 | 2 3 4 | | 567.8 | 9ab | c d e | f |
+ | N | 1 | RT | | 010.0 | | | M |
+ | N | 1 | RT | | 010.1 | RB | RA | M | div
+ | N | 1 | RT!=0 | | 011.0 | RB | RA!=0 | M |
| N | 1 | 000 | | 011.0 | RB | RA!=0 | M | cmpl
- | N | | RT | | 011.0 | RB | 000 | M | neg.
+ | N | 1 | RT | | 011.0 | RB | 000 | M |
10 bit mode:
### System
-cbank: Selection of Compressed-encoding "Bank". Different "banks" give different
-meanings to opcodes.
-Example: CBank=0b001 is heavily optimised to A/Video
-Encode/Decode.
+cbank: Selection of Compressed-encoding "Bank". Different "banks"
+give different meanings to opcodes. Example: CBank=0b001 is heavily
+optimised to A/Video Encode/Decode. cbank borrows from add's encoding
+space (when RA==0)
| 16-bit mode | | 10-bit mode |
- | 0 | 1 2 3 4 | | 567.8 | 9 a b | c d e | f |
- | N | Bank2 | | 010.0 | CBank | 0 0 0 | M | cbank
+ | 0 | 1 2 3 4 | | 567.8 | 9ab | cde | f |
+ | N | 0 Bank2 | | 010.0 | CBank | 000 | M | cbank
**not available** in 10-bit mode:
- | 0 1 2 3 | 4 | | 567.8 | 9 ab | c d e | f |
- | 1 1 1 1 | 0 | | 001.1 | 0 00 | RT | M | mtlr
- | 1 1 1 1 | 0 | | 001.1 | 0 01 | RT | M | mtctr
- | 1 1 1 1 | 0 | | 001.1 | 0 11 | RT | M | mtcr
- | 1 1 1 1 | 1 | | 001.1 | 0 00 | RA | M | mflr
- | 1 1 1 1 | 1 | | 001.1 | 0 01 | RA | M | mfctr
- | 1 1 1 1 | 1 | | 001.1 | 0 11 | RA | M | mfcr
+ | 0 1 2 3 | 4 | | 567.8 | 9 ab | cde | f |
+ | 1 1 1 1 | 0 | | 001.1 | 0 00 | RT | M | mtlr
+ | 1 1 1 1 | 0 | | 001.1 | 0 01 | RT | M | mtctr
+ | 1 1 1 1 | 0 | | 001.1 | 0 11 | RT | M | mtcr
+ | 1 1 1 1 | 1 | | 001.1 | 0 00 | RA | M | mflr
+ | 1 1 1 1 | 1 | | 001.1 | 0 01 | RA | M | mfctr
+ | 1 1 1 1 | 1 | | 001.1 | 0 11 | RA | M | mfcr
### Unallocated
- | 0 1 2 3 | 4 | | 567.8 | 9 ab | c d e | f |
- | 0 0 1 0 | | | 001.1 | 0 | | M |
- | 0 0 1 1 | | | 001.1 | 0 | | M |
- | 0 1 0 1 | | | 001.1 | 0 | | M |
- | 1 0 1 0 | | | 001.1 | 0 | | M |
- | 1 0 1 1 | | | 001.1 | 0 | | M |
- | 1 1 0 0 | | | 001.1 | 0 | | M |
- | 1 1 1 1 | 0 | | 001.1 | 0 10 | | M |
- | 1 1 1 1 | 1 | | 001.1 | 0 10 | | M |
+ | 0 1 2 3 | 4 | | 567.8 | 9 ab | cde | f |
+ | 0 0 1 0 | | | 001.1 | 0 | | M |
+ | 0 0 1 1 | | | 001.1 | 0 | | M |
+ | 0 1 0 1 | | | 001.1 | 0 | | M |
+ | 1 0 1 0 | | | 001.1 | 0 | | M |
+ | 1 0 1 1 | | | 001.1 | 0 | | M |
+ | 1 1 0 0 | | | 001.1 | 0 | | M |
+ | 1 1 1 1 | 0 | | 001.1 | 0 10 | | M |
+ | 1 1 1 1 | 1 | | 001.1 | 0 10 | | M |