Merge branch 'dev' into ppu-interface

1 files changed, 48 insertions, 0 deletions

diff --git a/basys3/basys3.srcs/apu_lut_reader_tb.vhd b/basys3/basys3.srcs/apu_lut_reader_tb.vhd
new file mode 100644
index 0000000..1b425bf
--- /dev/null
+++ b/basys3/basys3.srcs/apu_lut_reader_tb.vhd
@@ -0,0 +1,48 @@
+library ieee;
+use ieee.std_logic_1164.all;
+use ieee.numeric_std.all;
+
+library unisim;
+use unisim.vcomponents.all;
+
+entity apu_lut_reader_tb is
+end entity;
+
+architecture Behavioral of apu_lut_reader_tb is
+    component apu_lut_reader is
+        port (
+            clk   : in std_logic;
+            rst : in std_logic;
+            freq : in std_logic_vector(11 downto 0);
+            wave : in std_logic_vector(1 downto 0);
+            value : out std_logic_vector(7 downto 0)
+        );
+    end component;
+
+    signal OK : boolean := false;
+
+    signal clk : std_logic := '0';
+    signal rst : std_logic := '0';
+    signal freq : std_logic_vector(11 downto 0) := (others => '0');
+    signal wave : std_logic_vector(1 downto 0) := (others => '0');
+
+begin
+
+    TB: process
+    begin
+        wave <= "00";
+        for I in 0 to 255 loop
+            clk <= '1';
+
+            -- freq <= '1';
+
+
+            wait for 1 ps;
+            clk <= '0';
+            wait for 1 ps;
+
+
+        end loop;
+    end process;
+
+end architecture;