/// <summary>
/// Method that executes single cycle of entire machine
/// 1. All processors read data
/// 2. All processors execute computations
/// 3. All processors write their results
/// </summary>
/// <returns>Returns true if there are any working processors and false if all of them are stopped</returns>
private bool Tick()
{
memory.ClearRequests();
int workingProcessorsCount;
List <RWRequest> readRequests = GetReadRequests();
List <RWRequest> writeRequests = new List <RWRequest>();
//Step 1. We post read requests to memory
state = PRAMState.Reading;
this.memory.PostReadRequests(readRequests);
//Step 2. Now all processors are called with data they have read or null if they havent posted any new reqeuests
state = PRAMState.Processing;
workingProcessorsCount = this.RunProcessors(readRequests);
//Step 3. We now collect all write requests from processors
state = PRAMState.Writing;
writeRequests = this.GetWriteRequests();
//Step 4. And post them to memory
memory.PostWriteRequests(writeRequests);
//Step 5. Now we write data to memory
foreach (RWRequest request in writeRequests)
{
memory.WriteData(request);
}
tickCount++;
if (workingProcessorsCount > 0)
{
return(true);
}
this.isStopped = true;
return(false);
}
