private SignalInput(SignalInput original)
{
if (!String.IsNullOrEmpty(original.m_Name))
{
Name = (string)original.Name.Clone();
}
m_State = original.m_State;
UnitDelay = 0;
m_Signal = new Signal();
}
private void ProcessSimulationStep()
{
//set the inputs appropriate
foreach (BaseElement element in m_Circuit)
{
SignalInput input = element as SignalInput;
if (input != null)
{
State state = input.Signal.GetStateAtStep(m_CurrentStep);
if (state == null)
{
if (m_LoopSimulation || m_CurrentStep < m_EditorSignals.MaxSignalLength)
{
throw new SimulationException(
String.Format("Missing State for Signal {0} at step {1}.",
input.SignalName, m_CurrentStep));
}
//else don't change the signal
}
else
{
input.State = state;
}
}
}
//perform an update
m_Circuit.Update();
foreach (BaseElement element in m_Circuit)
{
//get data from clocks
Clock clock = element as Clock;
if (clock != null)
{
AddStateToSignal(clock.Name, clock.State);
}
//get data from inputs
SignalInput input = element as SignalInput;
if (input != null)
{
AddStateToSignal(input.SignalName, input.State);
}
//get data from outputs
SignalOutput output = element as SignalOutput;
if (output != null)
{
string name = output.SignalName;
if (string.IsNullOrEmpty(name))
{
name = output.Name;
}
AddStateToSignal(name, output.State);
}
}
m_CurrentStep++;
if (m_LoopSimulation && m_CurrentStep >= m_EditorSignals.MaxSignalLength)
{
m_CurrentStep = 0;
foreach (Signal signal in m_SignalList)
{
signal.Clear();
}
}
}
