protected override void InternalUpdate(State[] oldState)
{
if (PinState[0] != oldState[0])
{
SetOutputOff();
ChangeDir = true;
BreadBoardRef.UpdateComponent(Id);
return;
}
else if (ChangeDir)
{
ChangeDir = false;
SetInOut(PinState[0] == State.HIGH ? true : false);
UpdateState(false, true);
this.oldState = (State[])PinState.Clone();
}
InternalUpdate(false);
}
protected override void InternalUpdate(State[] oldState)
{
var newDir = PinState[0] == State.HIGH ? true : false;
if (newDir != ChangeDir)
{
SetOutputOff();
ChangeDir = newDir;
BreadBoardRef.UpdateComponent(Id);
return;
}
else
{
if (SetInOut(newDir))
{
UpdateState(false, true);
CopyOutputsToOldState();
}
}
InternalUpdate(false);
}
protected override void InternalUpdate(bool reset)
{
// If chip enable is not low then turn off all outputs
if (PinState[E_low] != State.LOW)
{
for (int i = 0; i < Pins; i++)
{
if (GetPinMode(i) == PinMode.Ouput)
{
PinState[i] = State.OFF;
}
}
return;
}
BitArray address = new BitArray(Enumerable.Repeat(false, 11).ToArray());
address[0] = PinState[7] == State.HIGH;
address[1] = PinState[6] == State.HIGH;
address[2] = PinState[5] == State.HIGH;
address[3] = PinState[4] == State.HIGH;
address[4] = PinState[3] == State.HIGH;
address[5] = PinState[2] == State.HIGH;
address[6] = PinState[1] == State.HIGH;
address[7] = PinState[0] == State.HIGH;
address[8] = PinState[22] == State.HIGH;
address[9] = PinState[21] == State.HIGH;
address[10] = PinState[18] == State.HIGH;
int[] array = new int[1];
address.CopyTo(array, 0);
BitArray page = memory[array[0]];
// write to word
if (PinState[W_low] == State.LOW)
{
if (!clearingOutputs)
{
clearingOutputs = true;
// Outputs were swapped so we need to wait for the states to be propagated
setOutputOff();
BreadBoardRef.UpdateComponent(Id);
return;
}
clearingOutputs = false;
SetPinModes(8, 10, PinMode.Input);
SetPinModes(12, 16, PinMode.Input);
UpdateState(false, false);
page[0] = PinState[8] == State.HIGH;
page[1] = PinState[9] == State.HIGH;
page[2] = PinState[10] == State.HIGH;
page[3] = PinState[12] == State.HIGH;
page[4] = PinState[13] == State.HIGH;
page[5] = PinState[14] == State.HIGH;
page[6] = PinState[15] == State.HIGH;
page[7] = PinState[16] == State.HIGH;
}
else if (PinState[G_low] == State.LOW)
{
SetPinModes(8, 10, PinMode.Ouput);
SetPinModes(12, 16, PinMode.Ouput);
PinState[8] = page[0] ? State.HIGH : State.LOW;
PinState[9] = page[1] ? State.HIGH : State.LOW;
PinState[10] = page[2] ? State.HIGH : State.LOW;
PinState[12] = page[3] ? State.HIGH : State.LOW;
PinState[13] = page[4] ? State.HIGH : State.LOW;
PinState[14] = page[5] ? State.HIGH : State.LOW;
PinState[15] = page[6] ? State.HIGH : State.LOW;
PinState[16] = page[7] ? State.HIGH : State.LOW;
}
}