update style guide and format code

1 files changed, 29 insertions, 60 deletions

diff --git a/basys3/basys3.srcs/ppu_comp.vhd b/basys3/basys3.srcs/ppu_comp.vhd
index 1ea315e..e79738f 100644
--- a/basys3/basys3.srcs/ppu_comp.vhd
+++ b/basys3/basys3.srcs/ppu_comp.vhd
@@ -1,67 +1,36 @@
-----------------------------------------------------------------------------------
--- Company: 
--- Engineer: 
--- 
--- Create Date: 23.02.2023 10:31:25
--- Design Name: 
--- Module Name: ppu_comp - Behavioral
--- Project Name: 
--- Target Devices: 
--- Tool Versions: 
--- Description: 
--- 
--- Dependencies: 
--- 
--- Revision:
--- Revision 0.01 - File Created
--- Additional Comments:
--- 
-----------------------------------------------------------------------------------
-
-
-library IEEE;
-use IEEE.STD_LOGIC_1164.ALL;
+library ieee;
+use ieee.std_logic_1164.all;
 use work.ppu_consts.all;
--- Uncomment the following library declaration if using
--- arithmetic functions with Signed or Unsigned values
---use IEEE.NUMERIC_STD.ALL;
-
--- Uncomment the following library declaration if instantiating
--- any Xilinx leaf cells in this code.
---library UNISIM;
---use UNISIM.VComponents.all;
 
-entity ppu_comp is
- 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));
-		
+entity ppu_comp is 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 ppu_comp;
 
 architecture Behavioral of ppu_comp is
-signal FG_HIT_Empty : std_logic_vector(PPU_FG_SPRITE_COUNT-1 downto 0) := (others => '0');
+	signal FG_HIT_EMPTY : std_logic_vector(PPU_FG_SPRITE_COUNT-1 downto 0) := (others => '0');
 begin
-    process (FG_HIT)
-    variable HIT : BOOLEAN := FALSE;
-    begin
-        -- check if fg_hit is not empty
-        if FG_HIT /= FG_HIT_Empty then
-            BG_EN <= '0';
-            FOR I IN 0 TO PPU_FG_SPRITE_COUNT-1 LOOP
-                -- if fg_hit is the first one then enable it
-                IF(FG_HIT(I) = '1' AND HIT = FALSE) THEN
-                    FG_EN(I) <= '1';
-                    HIT := TRUE;
-                ELSE
-                    -- make rest low
-                    FG_EN(I) <= '0';
-                END IF;
-            END LOOP;
-            HIT := FALSE;
-        else
-            BG_EN <= '1';
-            FG_EN <= (others => '0');
-        end if;
-    end process;
+	process (FG_HIT)
+		variable HIT : boolean := false;
+	begin
+		-- check if FG_HIT is not empty
+		if FG_HIT /= FG_HIT_EMPTY then
+			BG_EN <= '0';
+			for i in 0 to PPU_FG_SPRITE_COUNT-1 loop
+				-- if FG_HIT is the first one then enable it
+				if(FG_HIT(i) = '1' and HIT = false) then
+					FG_EN(i) <= '1';
+					HIT := true;
+				else
+					-- make rest low
+					FG_EN(i) <= '0';
+				end if;
+			end loop;
+			HIT := false;
+		else
+			BG_EN <= '1';
+			FG_EN <= (others => '0');
+		end if;
+	end process;
 end Behavioral;