-module Adders (main, no_carry_adder) where
+module Adders where
import Bits
import Language.Haskell.Syntax
no_carry_adder :: (Bit, Bit) -> Bit
no_carry_adder (a, b) = a `hwxor` b
+-- Combinatoric half adder
+-- A -> B -> (S, C)
+half_adder :: (Bit, Bit) -> (Bit, Bit)
+half_adder (a, b) =
+ ( a `hwxor` b, a `hwand` b )
+
-- Combinatoric (one-bit) full adder
-- (A, B, C) -> (S, C)
full_adder :: (Bit, Bit, Bit) -> (Bit, Bit)