| X(CRC , 0b00000) | |
| X(FAR , 0b00001) | |
| X(FDRI , 0b00010) | |
| X(FDRO , 0b00011) | |
| X(CMD , 0b00100) | |
| X(CTL0 , 0b00101) | |
| X(MASK , 0b00110) | |
| X(STAT , 0b00111) | |
| X(LOUT , 0b01000) | |
| X(COR0 , 0b01001) | |
| X(MFWR , 0b01010) | |
| X(CBC , 0b01011) | |
| X(IDCODE , 0b01100) | |
| X(AXSS , 0b01101) | |
| X(COR1 , 0b01110) | |
| X(WBSTAR , 0b10000) | |
| X(TIMER , 0b10001) | |
| X(BOOTSTS, 0b10110) | |
| X(CTL1 , 0b11000) | |
| X(BSPI , 0b11111) |