Worst FullAdder you've ever seen

projects/02/FullAdder.hdl

@@ -13,5 +13,10 @@ CHIP FullAdder {
         carry;   // Left bit of a + b + c
 
     PARTS:
-    // Put you code here:
-}
+    HalfAdder(a=b, b=c, sum=is, carry=ic);
+    Not(in=is, out=nis);
+    Mux(a=is, b=nis, sel=a, out=sum);
+
+    Or(a=is, b=ic, out=carryifaisone);
+    Mux(a=ic, b=carryifaisone, sel=a, out=carry);
+}

projects/02/FullAdder.out

@@ -0,0 +1,9 @@
+|   a   |   b   |   c   |  sum  | carry |
+|   0   |   0   |   0   |   0   |   0   |
+|   0   |   0   |   1   |   1   |   0   |
+|   0   |   1   |   0   |   1   |   0   |
+|   0   |   1   |   1   |   0   |   1   |
+|   1   |   0   |   0   |   1   |   0   |
+|   1   |   0   |   1   |   0   |   1   |
+|   1   |   1   |   0   |   0   |   1   |
+|   1   |   1   |   1   |   1   |   1   |