1 files changed, 0 insertions, 95 deletions
diff --git a/basys3/basys3.srcs/ppu_vga_native.vhd b/basys3/basys3.srcs/ppu_vga_native.vhd
deleted file mode 100644
index 47288e9..0000000
--- a/basys3/basys3.srcs/ppu_vga_native.vhd
+++ /dev/null
@@ -1,95 +0,0 @@
-library ieee;
-use ieee.std_logic_1164.all;
-use work.ppu_consts.all;
-use ieee.numeric_std.all;
-use ieee.std_logic_unsigned.all;
-
-entity ppu_vga_native is port (
-	CLK: in std_logic; -- system clock
-	RESET: in std_logic;
-
-	X: in std_logic_vector(PPU_POS_H_WIDTH-1 downto 0); -- current screen pixel x
-	Y: in std_logic_vector(PPU_POS_V_WIDTH-1 downto 0); -- current screen pixel y
-	PREADY: in std_logic; -- current pixel ready (pixel color is stable)
-	RI,GI,BI: in std_logic_vector(PPU_COLOR_OUTPUT_DEPTH-1 downto 0); -- VGA color in
-
-	RO,GO,BO: out std_logic_vector(PPU_COLOR_OUTPUT_DEPTH-1 downto 0); -- VGA color out
-	VSYNC, HSYNC: out std_logic); -- VGA sync outputs
-end ppu_vga_native;
-
-architecture Behavioral of ppu_vga_native is
-	type line_buffer is array(319 downto 0) of std_logic_vector(11 downto 0);
-	signal ram_x0 : line_buffer; -- buffer 0
-	signal ram_x1: line_buffer; -- buffer 1
-	signal hcount: std_logic_vector(9 downto 0):= (others => '0');
-	signal vcount: std_logic_vector(9 downto 0):= (others => '0');
-	signal clk_counter: std_logic_vector(1 downto 0):= (others => '0');
-	signal rgb_out : std_logic_vector(11 downto 0):= (others => '0'); -- output colors
-	signal px : integer; -- conversion for hcount
-	signal py :integer; -- conversion for vcount
-	signal buffer_filled_on_buffer0 : integer;
-	signal buffer_filled_on_buffer1 : integer;
-begin
-	process (clk, x, y)
-		variable v_x : integer; -- integer to hold vector X
-	begin
-		if rising_edge(clk) then
-			clk_counter <= clk_counter + 1;
-			if clk_counter = "11" then
-				v_x := to_integer(unsigned(x) - 72);
-				if v_x >= 0 and v_x < 320 and PREADY = '1' then
-					if y(0) = '0' then
-						ram_x0(v_x) <= RI & GI & BI;
-						if v_x = 319 then
-							buffer_filled_on_buffer0 <= to_integer(unsigned(y) - 14);
-						end if;
-					else
-						ram_x1(v_x) <= RI & GI & BI;
-						if v_x = 319 then
-							buffer_filled_on_buffer1 <= to_integer(unsigned(y) - 14);
-						end if;
-					end if;
-				end if;
-				-- T display(display data)
-				if (hcount >= 144) and (hcount < 784) and (vcount >= 31) and (vcount < 511) then
-					px <= to_integer(unsigned(hcount) - 144);
-					py <= to_integer(unsigned(vcount) - 31);
-					if buffer_filled_on_buffer0 = (py/2) then
-						rgb_out <= ram_x0(px/2);
-					elsif buffer_filled_on_buffer1 = (py/2) then
-						rgb_out <= ram_x1(px/2);
-					else
-						rgb_out <= (others => '0');
-					end if;
-				end if;
-				-- pulse width
-				hsync <= '1';
-				if hcount < 97 then
-					hsync <= '0';
-				end if;
-
-				vsync <= '1';
-				if vcount < 3 then
-					vsync <= '0';
-				end if;
-
-				-- sync pulse time
-				hcount <= hcount + 1;
-
-				if hcount = 800 then
-					vcount <= vcount + 1;
-					hcount <= (others => '0');
-				end if;
-
-				if vcount = 521 then
-					vcount <= (others => '0');
-				end if;
-			end if;
-
-			-- output colors
-		RO <= rgb_out(11 downto 8);
-		GO <= rgb_out(7 downto 4);
-		BO <= rgb_out(3 downto 0);
-		end if;
-	end process;
-end Behavioral;