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class LogicGate: | |
def __init__(self,n): | |
self.name = n | |
self.output = None | |
def getLabel(self): | |
return self.name | |
def getOutput(self): | |
self.output = self.performGateLogic() | |
return self.output | |
class BinaryGate(LogicGate): | |
def __init__(self,n): | |
super(BinaryGate, self).__init__(n) | |
self.pinA = None | |
self.pinB = None | |
def getPinA(self): | |
if self.pinA == None: | |
return int(input("Enter Pin A input for gate "+self.getLabel()+"-->")) | |
else: | |
return self.pinA.getFrom().getOutput() | |
def getPinB(self): | |
if self.pinB == None: | |
return int(input("Enter Pin B input for gate "+self.getLabel()+"-->")) | |
else: | |
return self.pinB.getFrom().getOutput() | |
def setNextPin(self,source): | |
if self.pinA == None: | |
self.pinA = source | |
else: | |
if self.pinB == None: | |
self.pinB = source | |
else: | |
print("Cannot Connect: NO EMPTY PINS on this gate") | |
class AndGate(BinaryGate): | |
def __init__(self,n): | |
BinaryGate.__init__(self,n) | |
def performGateLogic(self): | |
a = self.getPinA() | |
b = self.getPinB() | |
if a==1 and b==1: | |
return 1 | |
else: | |
return 0 | |
class OrGate(BinaryGate): | |
def __init__(self,n): | |
BinaryGate.__init__(self,n) | |
def performGateLogic(self): | |
a = self.getPinA() | |
b = self.getPinB() | |
if a ==1 or b==1: | |
return 1 | |
else: | |
return 0 | |
class UnaryGate(LogicGate): | |
def __init__(self,n): | |
LogicGate.__init__(self,n) | |
self.pin = None | |
def getPin(self): | |
if self.pin == None: | |
return int(input("Enter Pin input for gate "+self.getLabel()+"-->")) | |
else: | |
return self.pin.getFrom().getOutput() | |
def setNextPin(self,source): | |
if self.pin == None: | |
self.pin = source | |
else: | |
print("Cannot Connect: NO EMPTY PINS on this gate") | |
class NotGate(UnaryGate): | |
def __init__(self,n): | |
UnaryGate.__init__(self,n) | |
def performGateLogic(self): | |
if self.getPin(): | |
return 0 | |
else: | |
return 1 | |
class Connector: | |
def __init__(self, fgate, tgate): | |
self.fromgate = fgate | |
self.togate = tgate | |
tgate.setNextPin(self) | |
def getFrom(self): | |
return self.fromgate | |
def getTo(self): | |
return self.togate | |
def main(): | |
g1 = AndGate("G1") | |
g2 = AndGate("G2") | |
g3 = OrGate("G3") | |
g4 = NotGate("G4") | |
c1 = Connector(g1,g3) | |
c2 = Connector(g2,g3) | |
c3 = Connector(g3,g4) | |
print(g4.getOutput()) | |
main() |
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