public void Tick()
{
// If no I/O step is set, we're idle
if (CurrentStep == null)
{
return;
}
// At I/O start, the step instance is unset
if (mCurrentStepInstance == null)
{
mCurrentStepInstance = GetCurrentStepInstance();
mCurrentStepInstance.Operands = mCurrentOperands;
mCurrentStepInstance.ReportingEvent += StepInstance_Reporting;
}
// Current step still busy? If so, we're done here
if (!mCurrentStepInstance.Tick())
{
return;
}
CurrentStep = CurrentStep.NextStep;
// Have we reached the end of the I/O step chain? If so, trigger interrupt and quit
if (CurrentStep == null)
{
mCurrentStepInstance = null;
mCurrentOperands.InterruptQueueCallback?.Invoke(new Interrupt(Id));
return;
}
// Move on to next I/O step
var currentStepInstance = GetCurrentStepInstance();
currentStepInstance.Operands = mCurrentOperands;
currentStepInstance.ReportingEvent += StepInstance_Reporting;
currentStepInstance.InputFromPreviousStep = mCurrentStepInstance.OutputForNextStep;
mCurrentStepInstance = currentStepInstance;
}
public virtual void Reset()
{
CurrentStep = null;
mCurrentStepInstance = null;
}
