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 |