A collection of apps
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import itertools
import cocotb
from cocotb.clock import Clock
from cocotb.triggers import Timer
def test_and6_reg(dut):
cocotb.fork(Clock(dut.clk, 10, units='ns').start())
yield Timer(5, units='ns')
for f, e, d, c, b, a in itertools.product((False, True), repeat=6):
dut.a = a
dut.b = b
dut.c = c
dut.d = d
dut.e = e
dut.f = f
yield Timer(10, units='ns')
z = a & b & c & d & e & f
assert z == dut.z