FAULTBUS=NONE
Fault Status Register
| FAULTPC | PC when fault occurred |
| FAULTARRAY | Array access that generated a fault |
| FAULTBUS | Bus where fault occurred 0 (NONE): undefined 1 (LOAD0STREAM): undefined 2 (LOAD1STREAM): undefined 3 (STORESTREAM): undefined |
| FAULTLOOP | Loop Fault Indicator |