def __init__(self, name='CLK%d', period=1,state=0):
Node.__init__(self, name)
self.add_output('CLK')
self.initperiod = period
self.period = period
self.initstate = state
self.state = None
def __init__(self, name='GATE%d'):
Node.__init__(self, name)
self.add_input('A')
self.add_input('B')
self.add_output('OUT')
self.lastout = 0
def __init__(self, name='NOT%d'):
Node.__init__(self, name)
self.add_input('IN')
self.add_output('OUT')
def __init__(self, name='PKG%d'):
Node.__init__(self,name)
self.contents = list()