30 lines
795 B
Python
30 lines
795 B
Python
from amaranth import *
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from amaranth.cli import main
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class ParMux(Elaboratable):
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def __init__(self, width):
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self.s = Signal(3)
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self.a = Signal(width)
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self.b = Signal(width)
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self.c = Signal(width)
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self.o = Signal(width)
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def elaborate(self, platform):
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m = Module()
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with m.Switch(self.s):
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with m.Case("--1"):
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m.d.comb += self.o.eq(self.a)
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with m.Case("-1-"):
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m.d.comb += self.o.eq(self.b)
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with m.Case("1--"):
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m.d.comb += self.o.eq(self.c)
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with m.Default():
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m.d.comb += self.o.eq(0)
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return m
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if __name__ == "__main__":
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pmux = ParMux(width=16)
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main(pmux, ports=[pmux.s, pmux.a, pmux.b, pmux.c, pmux.o])
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