The simulator has three processes: main, M0, and M1, all of which run

* independently. Set them all up first. Once set up, main maintains the

* clock (tick), and picks a process to run. Then it writes a 32-bit word

* to that process to tell it to run. The process sends back an answer

* when it is done. Main then picks another process, and the cycle repeats.

*/-The simulator has three processes: main, M0, and M1, all of which run

* independently.　Set them all up first.　Once set up, main maintains the

* clock (tick), and picks a process to run.　Then it writes a 32-bit word

* to that process to tell it to run.　The process sends back an answer

* when it is done.　Main then picks another process, and the cycle repeats.

*/