1 files changed, 44 insertions, 0 deletions
diff --git a/basys3/basys3.srcs/ppu_comp_tb.vhd b/basys3/basys3.srcs/ppu_comp_tb.vhd
new file mode 100644
index 0000000..e8f6893
--- /dev/null
+++ b/basys3/basys3.srcs/ppu_comp_tb.vhd
@@ -0,0 +1,44 @@
+library ieee;
+library unisim;
+use ieee.std_logic_1164.all;
+use work.ppu_consts.all;
+use unisim.vcomponents.all;
+
+entity ppu_comp_tb is
+end ppu_comp_tb;
+
+architecture behavioral of ppu_comp_tb is
+COMPONENT ppu_comp
+        port (
+ 		FG_HIT: in std_logic_vector(PPU_FG_SPRITE_COUNT-1 downto 0);
+		BG_EN: out std_logic;
+		FG_EN: out std_logic_vector(PPU_FG_SPRITE_COUNT-1 downto 0));
+end component;
+
+signal  FG_HIT: std_logic_vector(PPU_FG_SPRITE_COUNT-1 downto 0) := (others => '0');
+signal	BG_EN: std_logic  := '0';
+signal	FG_EN: std_logic_vector(PPU_FG_SPRITE_COUNT-1 downto 0) := (others => '0');
+begin
+UUT : ppu_comp port map (
+FG_HIT => FG_HIT,
+BG_EN  => BG_EN,
+FG_EN  => FG_EN
+);
+ TB : PROCESS
+ BEGIN
+    FG_HIT <= (OTHERS => '0');
+    wait for 1 ps;
+    FG_HIT(6) <= '1';
+    FG_HIT(5) <= '1';
+    FG_HIT(100) <= '1';
+    wait for 1 ps;
+    
+    FG_HIT(0) <= '1';
+    wait for 1 ps;
+    FG_HIT <= (OTHERS => '0');
+    wait for 1 ps;
+    
+    
+    wait;
+ END PROCESS;
+end Behavioral;