private WriteT3InstructionPart CreateWriteAddressInstructionPart(MachineCycleNames machineCycle)
{
_writePart = new WriteT3InstructionPart(Cpu, machineCycle, GetAddress())
{
Data = new OpcodeByte(GetValueToWriteBack(GetValue()))
};
return(_writePart);
}
private WriteT3InstructionPart CreateWriteAddressInstructionPart(MachineCycleNames machineCycle)
{
_writePart = new WriteT3InstructionPart(Cpu, machineCycle, GetAddress())
{
Data = new OpcodeByte(DoShiftRotate(_readPart.Data.Value))
};
return(_writePart);
}
protected override CpuState GetInstructionPart(MachineCycleNames machineCycle)
{
switch (machineCycle)
{
case MachineCycleNames.M2:
_instructionM2 = new ReadT3InstructionPart(Cpu, machineCycle, GetAddress());
return(_instructionM2);
case MachineCycleNames.M3:
_instructionM3 = new WriteT3InstructionPart(Cpu, machineCycle, GetAddress());
_instructionM3.Data = IncDecValue(_instructionM2.Data);
return(_instructionM3);
default:
throw Errors.InvalidMachineCycle(machineCycle);
}
}
private WriteT3InstructionPart CreateWriteAddressInstructionPart(MachineCycleNames machineCycle)
{
_instructionPart = new WriteT3InstructionPart(Die, machineCycle, GetAddress());
return(_instructionPart);
}