private void PerformFetch()
{
while (!areWeDone)
{
fetchEvent.WaitOne();
Console.WriteLine("In Fetch");
//fetch the instruction here
if (Fetch_Counter < Memory.getBinaryInstructions().Count)
{
short instruction = Memory.getBinaryInstructions().ElementAt(Fetch_Counter);
var FI = new FetchedInstruction(instruction, Fetch_Counter);
fetched_instructions.Enqueue(FI);
this.IR = instruction;
Console.WriteLine("IR is " + this.IR + ", fetch counter is " + Fetch_Counter);
Fetch_Counter++;
if (OnFetchDone != null)
{
OnFetchDone(this, new FetchEventArgs(FI));
//OnFetchDone(this, new StageDoneEventArgs(Fetch_Counter - 1, StageType.Fetch));
}
/*if (OnStageDone != null)
* {
* Console.WriteLine("Inside on stage done for fetch...");
* OnStageDone(this, new StageDoneEventArgs(StageType.Fetch));
* }*/
}
CPU_OnStageDone(StageType.Fetch);
}
}
public void PerformDecode()
{
while (!areWeDone)
{
decodeEvent.WaitOne();
Console.WriteLine("In Decode");
if (fetched_instructions.Count > 0)
{
FetchedInstruction instr = fetched_instructions.Dequeue();
Console.WriteLine("Decode counter is: " + Decode_Counter);
DecodedInstruction decodedInstr = new DecodedInstruction(instr.binary, instr.index);
decoded_instructions.Enqueue(decodedInstr);
Decode_IR = decodedInstr;
//If Branch, then add to table.
if (decodedInstr.opcode == "100")
{
currBranchInstr = Memory.getAssemblyInstructions().ElementAt(decodedInstr.index);
branches.Add(new branchClass(decodedInstr.index));
}
else
{
currBranchInstr = "";
}
Console.WriteLine("Just decoded: " + decodedInstr.binary);
if (OnDecodeDone != null)
{
OnDecodeDone(this, new DecodeEventArgs(decodedInstr));
//OnDecodeDone(this, new StageDoneEventArgs(instr.index, StageType.Decode));
}
/*if (OnStageDone != null)
* {
* OnStageDone(this, new StageDoneEventArgs(StageType.Decode));
* }*/
Decode_Counter++;
}
CPU_OnStageDone(StageType.Decode);
}
}
private void PerformFetch()
{
while (!areWeDone)
{
fetchEvent.WaitOne();
Console.WriteLine("In Fetch");
//fetch the instruction here
if (Fetch_Counter < Memory.getBinaryInstructions().Count)
{
short instruction = Memory.getBinaryInstructions().ElementAt(Fetch_Counter);
var FI = new FetchedInstruction(instruction, Fetch_Counter);
fetched_instructions.Enqueue(FI);
this.IR = instruction;
Console.WriteLine("IR is " + this.IR + ", fetch counter is " + Fetch_Counter);
Fetch_Counter++;
if (OnFetchDone != null)
{
OnFetchDone(this, new FetchEventArgs(FI));
//OnFetchDone(this, new StageDoneEventArgs(Fetch_Counter - 1, StageType.Fetch));
}
/*if (OnStageDone != null)
{
Console.WriteLine("Inside on stage done for fetch...");
OnStageDone(this, new StageDoneEventArgs(StageType.Fetch));
}*/
}
CPU_OnStageDone(StageType.Fetch);
}
}
