forked from opendacs/PyHCL
36 lines
541 B
Python
36 lines
541 B
Python
from pyhcl import *
|
|
|
|
|
|
class GCD(Module):
|
|
io = IO(
|
|
a=Input(U.w(32)),
|
|
b=Input(U.w(32)),
|
|
e=Input(Bool),
|
|
z=Output(U.w(32)),
|
|
v=Output(Bool),
|
|
)
|
|
|
|
x = Reg(U.w(32))
|
|
y = Reg(U.w(32))
|
|
|
|
with when(x > y):
|
|
x @= x - y
|
|
with otherwise():
|
|
y @= y - x
|
|
|
|
with when(io.e):
|
|
x @= io.a
|
|
y @= io.b
|
|
|
|
io.z @= x
|
|
io.v @= y == U(0)
|
|
|
|
|
|
def main():
|
|
f = Emitter.dump(Emitter.emit(GCD()), "gcd.fir")
|
|
Emitter.dumpVerilog(f)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
main()
|