# Instruction form and pseudocode
- | 0-5 | 6-10 | 11 | 12-15 | 16-18 | 19-20 | 21-30 | 31 |
- | 19 | RT | 0 | mask | BB | 0 / | XO | / |
- | 19 | RA | 1 | mask | BB | 0 / | XO | / |
- | 19 | BT // | 0 | mask | BB | 1 / | XO | / |
- | 19 | BFT | 1 | mask | BB | 1 / | XO | / |
+ | 0-5 | 6-10 | 11 | 12-15 | 16-18 | 19-20 | 21-25 | 26-30 | 31 |
+ | --- | ---- | -- | ----- | ----- | ----- | ----- | ----- | -- |
+ | 19 | RT | | mask | BB | / | XO[0:4] | XO[5:9] | / |
+ | 19 | RT | 0 | mask | BB | 0 / | XO[0:4] | 0 mode | / |
+ | 19 | RA | 1 | mask | BB | 0 / | XO[0:4] | 0 mode | / |
+ | 19 | BT // | 0 | mask | BB | 1 / | XO[0:4] | 0 mode | / |
+ | 19 | BFT | 1 | mask | BB | 1 / | XO[0:4] | 0 mode | / |
mode is encoded in XO and is 4 bits