Initial commit

Libs/Gates/hdl/demux1to4_sim.vhd

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+ARCHITECTURE sim OF demux1to4 IS
+BEGIN
+
+  process(sel, in1)
+  begin
+    -- default values
+    out0 <= '0';
+    out1 <= '0';
+    out2 <= '0';
+    out3 <= '0';
+
+    -- selection
+    case sel is
+      when "00" => out0 <= in1 after delay;
+      when "01" => out1 <= in1 after delay;
+      when "10" => out2 <= in1 after delay;
+      when "11" => out3 <= in1 after delay;
+      when others => NULL;
+    end case;
+
+  end process;
+
+END ARCHITECTURE sim;