20 lines
314 B
Plaintext
20 lines
314 B
Plaintext
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.model test
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.inputs A0 A1 B0 B1 start c
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.outputs C0 C1 C2
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.subckt FA a=A0 b=A1 c=start carryout=CARRY1 sum=C0d
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.subckt FA a=A1 b=B1 c=CARRY1 carryout=C2d sum=C1d
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.latch C0d C0 re c 0
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.latch C1d C1 re c 0
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.latch C2d C2 re c 0
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.end
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.model FA
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.inputs a b c
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.outputs carryout sum
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# test
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.blackbox extra words
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.end
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