public void decode(DecodeArgs args)
{
if (args.locked == false)
{
registerIR = args.mdr;
int negativeOp = 65024;
int negativeIFlag = 256;
int negativeValue = 255;
registerOP = 0;
registerI = 0;
registerVAL = 0;
registerOP = (short)((registerIR & negativeOp) >> 9);
registerI = (short)((registerIR & negativeIFlag) >> 8);
if(registerOP == 11 || registerOP == 12 || registerOP == 13 || registerOP ==14)
{
registerI = 1;
}
if (registerI == 1)
{
registerVAL = (short)(registerIR & negativeValue);
}
else
{
registerVAL = memory[(short)(registerIR & negativeValue)];
}
}
}
public void stepPipeline(FetchArgs fetchArgs,DecodeArgs decodeArgs,ExecuteArgs executeArgs, WritebackArgs writebackArgs)
{
Thread f = new Thread(() => fetch(fetchArgs));
Thread d = new Thread(() => decode(decodeArgs));
Thread e = new Thread(() => execute(executeArgs));
Thread w = new Thread(() => writeback(writebackArgs));
f.Start();
d.Start();
e.Start();
w.Start();
f.Join();
d.Join();
e.Join();
w.Join();
}
