| Table F.12 Dragon bus actions. |
|
| State | Bus Read | Bus Write Miss | Bus Write |
| Invalid | No Action | No Action | No Action |
| Valid-Exclusive | Next state = Shared-Clean. | Get updated. Next state = Shared-Clean. | N/A |
| Shared-Clean | Next state = Shared-Clean. | Get updated. Next state = Shared-Clean. | Get updated from bus. Next state = Shared-Clean. |
| Shared-Dirty | Supply data. Next state = Shared-Dirty. | Supply data. Get updated. Next state = Shared-Clean. | Get updated from bus. Next state = Shared-Clean. |
| Dirty | Supply data. Next state = Shared-Dirty. | Supply data. Get updated. Next state = Shared-Clean. | N/A |