public void Clock()
{
if (!_addressMode.IsComplete)
{
_addressMode.Clock();
if (_addressMode.IsComplete)
{
_reader = _addressMode.Reader;
}
return;
}
if (!_reader.IsComplete)
{
_reader.Clock();
SetupPushOrComplete();
return;
}
if (!_internalCycle.IsComplete)
{
_internalCycle.Clock();
return;
}
if (!_pushInstruction.IsComplete)
{
_pushInstruction.Clock();
if (_pushInstruction.IsComplete)
{
_cpu.PC = _reader.AddressedValue;
IsComplete = true;
}
return;
}
}
public void Clock()
{
if (_remainingM1Cycles-- <= 0)
{
if (!_addressMode.IsComplete)
{
_addressMode.Clock();
if (_addressMode.IsComplete)
{
_reader = _addressMode.Reader;
JumpIfRequired();
}
return;
}
if (!_reader.IsComplete)
{
_reader.Clock();
JumpIfRequired();
return;
}
if (!_internalCycle.IsComplete)
{
_internalCycle.Clock();
if (_internalCycle.IsComplete)
{
_cpu.PC = _reader.AddressedValue;
IsComplete = true;
}
}
}
}
public virtual void Clock()
{
if (_remainingM1Cycles-- <= 0)
{
// Destination is checked first as its operand comes first if there are
// additional bytes to the instruction.
if (!_destinationAddressMode.IsComplete)
{
_destinationAddressMode.Clock();
if (_destinationAddressMode.IsComplete)
{
_destinationWriter = _destinationAddressMode.Writer;
if (_sourceReader?.IsComplete ?? false)
{
_destinationWriter.AddressedValue = _sourceReader.AddressedValue;
}
}
return;
}
if (!_sourceAddressMode.IsComplete)
{
_sourceAddressMode.Clock();
if (_sourceAddressMode.IsComplete)
{
_sourceReader = _sourceAddressMode.Reader;
if (_sourceReader.IsComplete)
{
_destinationWriter.AddressedValue = _sourceReader.AddressedValue;
}
}
return;
}
if (!_sourceReader.IsComplete)
{
_sourceReader.Clock();
if (_sourceReader.IsComplete)
{
_destinationWriter.AddressedValue = _sourceReader.AddressedValue;
}
return;
}
if (!_destinationWriter.IsComplete)
{
_destinationWriter.Clock();
}
}
}
public void Clock()
{
if (!_addressMode.IsComplete)
{
_addressMode.Clock();
if (_addressMode.IsComplete)
{
_readOperand = _addressMode.Reader;
if (_readOperand.IsComplete)
{
PerformSubtraction();
}
}
return;
}
if (!_readOperand.IsComplete)
{
_readOperand.Clock();
if (_readOperand.IsComplete)
{
PerformSubtraction();
}
}
}
public void Clock()
{
if (!_addressMode.IsComplete)
{
_addressMode.Clock();
if (_addressMode.IsComplete)
{
_valueReader = _addressMode.Reader;
if (_valueReader.IsComplete)
{
PerformAdd();
}
}
return;
}
if (!_valueReader.IsComplete)
{
_valueReader.Clock();
if (_valueReader.IsComplete)
{
PerformAdd();
}
}
}
public void Clock()
{
if (!_addressMode.IsComplete)
{
_addressMode.Clock();
if (_addressMode.IsComplete)
{
_reader = _addressMode.Reader;
if (_reader.IsComplete)
{
PerformBitTest();
}
}
return;
}
if (!_reader.IsComplete)
{
_reader.Clock();
if (_reader.IsComplete)
{
PerformBitTest();
}
}
}
