1 files changed, 38 insertions, 0 deletions
diff --git a/testsuite/synth/mem02/tb_ram6.vhdl b/testsuite/synth/mem02/tb_ram6.vhdl
new file mode 100644
index 000000000..bf93b0be5
--- /dev/null
+++ b/testsuite/synth/mem02/tb_ram6.vhdl
@@ -0,0 +1,38 @@
+entity tb_ram6 is
+end tb_ram6;
+
+library ieee;
+use ieee.std_logic_1164.all;
+
+architecture behav of tb_ram6 is
+  signal val : std_logic_vector(7 downto 0);
+  signal waddr : std_logic_vector(2 downto 0);
+  signal wdat : std_logic;
+  signal clk : std_logic;
+begin
+  dut: entity work.ram6
+    port map (waddr => waddr, wdat => wdat, val => val,
+              clk => clk);
+
+  process
+    procedure pulse is
+    begin
+      clk <= '0';
+      wait for 1 ns;
+      clk <= '1';
+      wait for 1 ns;
+    end pulse;
+  begin
+    waddr <= "000";
+    wdat <= '0';
+    pulse;
+
+    waddr <= "001";
+    wdat <= '1';
+    pulse;
+
+    assert (val and x"c0") = x"40" severity failure;
+
+    wait;
+  end process;
+end behav;