first commit

half_adder/half_adder.v

@@ -0,0 +1,30 @@
+/*
+    Half Adder Declaration
+*/
+
+module half_adder (a,b,sum,carry);
+    input a,b;
+    output sum, carry;
+
+    xor x1(sum, a, b);
+    and a1(carry, a, b);
+endmodule
+
+module half_adder_dataflow (a, b, sum, carry);
+    input a, b;
+    output sum, carry;
+
+    assign sum = a ^ b;
+    assign carry = a & b;
+endmodule
+
+module half_adder_behavioral (a, b, sum, carry);
+    input a, b;
+    output reg sum, carry;
+
+    always @(a or b) begin
+        sum = a ^ b;
+        carry = a & b;
+    end
+endmodule
+