def n_bit_adder():
clock = Signal()
n = 200
a, b = "01001" * 40, "01110" * 40
d1 = [D_FlipFlop(clock, None, f"a{i}") for i in range(n)]
d2 = [D_FlipFlop(clock, None, f"b{i}") for i in range(n)]
adder = [FullAdder(None, None, f"adder{i}") for i in range(n)]
res = [D_FlipFlop(clock, None, f"r{i}") for i in range(n)]
for i in range(n):
d1[i].set_input(d1[i])
d2[i].set_input(d2[i])
adder[i].set_input((d1[i], d2[i]))
adder[i].set_cin(Zero() if i == 0 else adder[i - 1].cout)
res[i].set_input(adder[i].sum)
res[i].reset()
if a[n - i - 1] == '0':
d1[i].reset()
else:
d1[i].set()
if b[n - 1 - i] == '0':
d2[i].reset()
else:
d2[i].set()
CircuitRunner.run(res, clock, 3, [res])
def build(self):
size = int(math.log(self.length, 2))
self.output = []
zero_gate = Zero()
for i in range(self.length):
inputs = []
for j in range(self.length):
if i + j < self.length:
inputs.append(self.x[i + j])
else:
inputs.append(zero_gate)
self.output.append(Mux_mxn(inputs, self.y, size))
return self.output
def multiplexer_test():
mux = Mux4x2((One(), Zero(), One(), Zero()), (One(), Zero()), "my_mux")
CircuitRunner.run([mux], None, None, [[mux]])
def __init__(self, init_val=Zero()):
self.output = init_val
def pulse(self):
self.output = One() if self.output.logic() == 0 else Zero()
def int_to_logic(a):
if a == 0 or a == '0':
return Zero()
return One()