Aggiunti moduli Swap, TwoComplement, OperationCheck

Swap.vhd

@@ -0,0 +1,27 @@
+library IEEE;
+use IEEE.STD_LOGIC_1164.ALL;
+
+entity Swap is
+	generic(BITCOUNT : integer := 8);
+	port(
+		X_IN, Y_IN : in std_logic_vector((BITCOUNT-1) downto 0);
+		SW : in std_logic;
+		X_OUT, Y_OUT : out std_logic_vector((BITCOUNT-1) downto 0)
+	);
+end Swap;
+
+architecture SwapArch of Swap is
+
+begin
+	SWAP_PRO: process(X_IN, Y_IN, SW)
+	begin
+		for i in (BITCOUNT-1) downto 0 loop
+		
+			X_OUT(i) <= (not(SW) and X_IN(i)) or (SW and Y_IN(i));
+			Y_OUT(i) <= (not(SW) and Y_IN(i)) or (SW and X_IN(i));
+		
+		end loop;
+	end process;
+
+end SwapArch;
+