public PowerPc(string cpuType, Machine machine, Endianess endianness = Endianess.BigEndian) : base(cpuType, machine, endianness) { irqSync = new object(); machine.ObtainClockSource().AddClockEntry( new ClockEntry(long.MaxValue / 2, ClockEntry.FrequencyToRatio(this, 128000000), DecrementerHandler, false, Direction.Descending)); }