Input Monitor Register
| HOME | This is the raw HOME input. |
| INDEX | This is the raw INDEX input. |
| PHB | This is the raw PHASEB input. |
| PHA | This is the raw PHASEA input. |
| FHOM | This is the filtered version of HOME input. |
| FIND | This is the filtered version of INDEX input. |
| FPHB | This is the filtered version of PHASEB input. |
| FPHA | This is the filtered version of PHASEA input. |