def tabulate(in_wires, out_wires):
sim = logsim.Sim()
for values in truth_table(in_wires):
for wire, value in zip(in_wires, values):
sim.initialize(wire, value)
sim.ticktock()
print ' '.join(map(str,
wire_values(in_wires) + wire_values(out_wires)))
def wire_values(wires):
return tuple(wire.value for wire in wires)
def truth_table(wires):
return product(*[(0, 1)] * len(wires))
if __name__ == '__main__':
a = logsim.Wire()
b = logsim.Wire()
tabulate([a, b], [logsim.nand(a, b)])
print ''
tabulate([a, b], [a & b])
print ''
tabulate([a, b], [a | b])
print ''
tabulate([a, b], [a ^ b])
print ''
def xor(a, b):
return nand(nand(a, ~b),
nand(~a, b))
def or_(a, b):
return nand(~a, ~b)
def and_(a, b):
return ~nand(a, b)
def not_(a):
return nand(a, a)
from itertools import product
import logsim
def tabulate(in_wires, out_wires):
sim = logsim.Sim()
for values in truth_table(in_wires):
for wire, value in zip(in_wires, values):
sim.initialize(wire, value)
sim.ticktock()
print ' '.join(map(str, wire_values(in_wires) + wire_values(out_wires)))
def wire_values(wires):
return tuple(wire.value for wire in wires)
def truth_table(wires):
return product(*[(0, 1)]*len(wires))
if __name__ == '__main__':
a = logsim.Wire()
b = logsim.Wire()
tabulate([a, b], [logsim.nand(a, b)])
print ''
tabulate([a, b], [a & b])
print ''
tabulate([a, b], [a | b])
print ''
tabulate([a, b], [a ^ b])
print ''