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Commit 140e076a authored by vagle's avatar vagle
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Final version

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game_of_life_v2/game_of_life_v2.srcs/sources_1/new/game_of_life.vhd
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----------------------------------------------------------------------------------
-- Company:
-- Engineer:
-- Engineer: Mlinkó Péter, Vági Levente
--
-- Create Date: 12/10/2018 01:49:49 PM
-- Design Name:
-- Module Name: game_of_life - Behavioral
-- Project Name:
-- Project Name: FPGA grand project
-- Target Devices:
-- Tool Versions:
-- Description:
......@@ -33,7 +33,7 @@ use IEEE.NUMERIC_STD.ALL;
entity game_of_life is
generic (cell_number : positive := 32);
Port ( clk : in STD_LOGIC;
Port ( clk : in STD_LOGIC; -- 100MHz clock sign
switch_mode : in STD_LOGIC; -- 0: editor, 1: simulation
move_left : in STD_LOGIC; -- cursor's move left button
move_right : in STD_LOGIC; -- cursor's move right button
......@@ -86,10 +86,6 @@ signal shift_register_top : std_logic_vector(0 to cell_number+1);
signal shift_register_middle : std_logic_vector(0 to cell_number+1);
signal actual_register : std_logic_vector(0 to 0);
--signal copy_shift_register_top : std_logic_vector(0 to cell_number-1);
--signal copy_shift_register_middle : std_logic_vector(0 to cell_number-1);
--signal copy_actual_register : std_logic_vector(0 to 0);
signal neighbours : std_logic_vector(0 to 8);
signal neighbours_count : unsigned(3 downto 0);
signal frame_counter : unsigned(6 downto 0);
......@@ -116,7 +112,6 @@ clk_gen_25MHz : clk_wiz_0
);
options : process(clk_25MHz,locked)
--variable neighbour_cnt : unsigned(3 downto 0) := (others=>'0');
begin
if locked = '0' then
horizontal_counter <= (others => '0');
......@@ -131,8 +126,6 @@ begin
neighbours_count <= (others => '0');
frame_counter <= (others => '0');
--cursor_pos_x <= to_unsigned(8,10);
--cursor_pos_y <= to_unsigned(8,10);
cursor_pos_x <= (others => '0');
cursor_pos_y <= (others => '0');
prev_move_left <= move_left;
......@@ -166,59 +159,23 @@ begin
-- handle shift registers
if switch_mode = '1' and frame_counter = 0 and horizontal_counter(2 downto 0) = 0 and horizontal_counter(9 downto 3) < cell_number+2 and vertical_counter(2 downto 0) = 0 and vertical_counter(9 downto 3) < cell_number+2 then
--if switch_mode = '1' and frame_counter = 0 and horizontal_counter(2 downto 0) = 0 and horizontal_counter(9 downto 3) < cell_number and vertical_counter(2 downto 0) = 0 and vertical_counter(9 downto 3) < cell_number then
shift_register_top <= shift_register_top(1 to cell_number+1) & shift_register_middle(0);
if horizontal_counter(9 downto 3) /= 0 and horizontal_counter(9 downto 3) < cell_number+1 and vertical_counter(9 downto 3) /= 0 and vertical_counter(9 downto 3) < cell_number+1 then
--if horizontal_counter(9 downto 3) < cell_number and vertical_counter(9 downto 3) < cell_number then
--copy_shift_register_top <= shift_register_top(1 to cell_number-1) & shift_register_middle(0);
shift_register_middle <= shift_register_middle(1 to cell_number+1) & actual_register;
--copy_shift_register_middle <= shift_register_middle(1 to cell_number-1) & actual_register;
neighbours <= neighbours(3 to 8) & shift_register_top(0) & shift_register_middle(0) & actual_register;
neighbours_count <= neighbours_count - unsigned(neighbours(0 to 0)) - unsigned(neighbours(1 to 1)) - unsigned(neighbours(2 to 2)) + unsigned(shift_register_top(0 to 0)) + unsigned(shift_register_middle(0 to 0)) + unsigned(actual_register);
actual_register(0) <= cells(to_integer((vertical_counter(9 downto 3)-1)* to_unsigned(cell_number,8) + horizontal_counter(9 downto 3)-1));
--copy_actual_register(0) <= cells(to_integer((vertical_counter(9 downto 3))* to_unsigned(cell_number,8) + horizontal_counter(9 downto 3)));
else
shift_register_middle <= shift_register_middle(1 to cell_number+1) & actual_register;
neighbours <= neighbours(3 to 8) & shift_register_top(0) & shift_register_middle(0) & actual_register;
-- left top corner
--if horizontal_counter(9 downto 3) = 0 and vertical_counter(9 downto 3) = 0 then
-- neighbours_count <= neighbours_count + unsigned(neighbours(8 to 8)) + unsigned(shift_register_middle(0 to 0)) + unsigned(actual_register);
-- right top corner
--elsif horizontal_counter(9 downto 3) = cell_number-1 and vertical_counter(9 downto 3) = 0 then
-- neighbours_count <= neighbours_count - unsigned(neighbours(1 to 1)) - unsigned(neighbours(2 to 2));
-- left bottom corner
--elsif horizontal_counter(9 downto 3) = 0 and vertical_counter(9 downto 3) = cell_number-1 then
-- neighbours_count <= neighbours_count - unsigned(neighbours(0 to 0)) - unsigned(neighbours(1 to 1)) - unsigned(neighbours(2 to 2)) - unsigned(neighbours(3 to 3)) - unsigned(neighbours(4 to 4)) - unsigned(neighbours(5 to 5)) + unsigned(neighbours(6 to 6)) + unsigned(neighbours(7 to 7)) + unsigned(neighbours(8 to 8)) + unsigned(shift_register_top(0 to 0)) + unsigned(shift_register_middle(0 to 0));
-- right bottom corner
--elsif horizontal_counter(9 downto 3) = cell_number-1 and vertical_counter(9 downto 3) = cell_number-1 then
-- neighbours_count <= neighbours_count - unsigned(neighbours(0 to 0)) - unsigned(neighbours(1 to 1));
-- top edge
--elsif vertical_counter(9 downto 3) = 0 then
-- neighbours_count <= neighbours_count - unsigned(neighbours(1 to 1)) - unsigned(neighbours(2 to 2)) + unsigned(shift_register_middle(0 to 0)) + unsigned(actual_register);
-- left edge
--elsif horizontal_counter(9 downto 3) = 0 then
-- neighbours_count <= neighbours_count - unsigned(neighbours(0 to 0)) - unsigned(neighbours(1 to 1)) - unsigned(neighbours(2 to 2)) - unsigned(neighbours(3 to 3)) - unsigned(neighbours(4 to 4)) - unsigned(neighbours(5 to 5)) + unsigned(neighbours(6 to 6)) + unsigned(neighbours(7 to 7)) + unsigned(neighbours(8 to 8)) + unsigned(shift_register_top(0 to 0)) + unsigned(shift_register_middle(0 to 0)) + unsigned(actual_register);
-- right edge
--elsif horizontal_counter(9 downto 3) = cell_number-1 then
-- neighbours_count <= neighbours_count - unsigned(neighbours(0 to 0)) - unsigned(neighbours(1 to 1)) - unsigned(neighbours(2 to 2));
-- bottom edge
--elsif vertical_counter(9 downto 3) = cell_number-1 then
-- neighbours_count <= neighbours_count - unsigned(neighbours(0 to 0)) - unsigned(neighbours(1 to 1)) + unsigned(shift_register_top(0 to 0)) + unsigned(shift_register_middle(0 to 0));
--end if;
neighbours_count <= neighbours_count - unsigned(neighbours(0 to 0)) - unsigned(neighbours(1 to 1)) - unsigned(neighbours(2 to 2)) + unsigned(shift_register_top(0 to 0)) + unsigned(shift_register_middle(0 to 0)) + unsigned(actual_register);
actual_register(0) <= '0';--cells(to_integer((vertical_counter(9 downto 3))* to_unsigned(cell_number,8) + horizontal_counter(9 downto 3)));
actual_register(0) <= '0';
end if;
if vertical_counter(9 downto 3) >= 2 and horizontal_counter(9 downto 3) >= 2 then
--neighbour_cnt := (others=>'0');
--for i in 0 to 8 loop
-- if (neighbours(i)) = '1' then
--neighbour_cnt := neighbour_cnt+1;
-- end if;
--end loop;
if horizontal_counter(9 downto 3) = 0 or horizontal_counter(9 downto 3) = cell_number+1 or vertical_counter(9 downto 3) = 0 or vertical_counter(9 downto 3) = cell_number+1 then
cells(to_integer((vertical_counter(9 downto 3)-2) * to_unsigned(cell_number,8) + horizontal_counter(9 downto 3)-4)) <= '0';
......@@ -250,19 +207,15 @@ begin
-- moving with cursor
if switch_mode = '0' then
if prev_move_left = '0' and move_left = '1' and cursor_pos_x /= 0 then
--if prev_move_left = '0' and move_left = '1' and cursor_pos_x /= 8 then
cursor_pos_x <= cursor_pos_x - 8;
end if;
if prev_move_right = '0' and move_right = '1' and cursor_pos_x /= (cell_number-1)*8 then
--if prev_move_right = '0' and move_right = '1' and cursor_pos_x /= (cell_number-2)*8 then
cursor_pos_x <= cursor_pos_x + 8;
end if;
if prev_move_up = '0' and move_up = '1' and cursor_pos_y /= 0 then
--if prev_move_up = '0' and move_up = '1' and cursor_pos_y /= 8 then
cursor_pos_y <= cursor_pos_y - 8;
end if;
if prev_move_down = '0' and move_down = '1' and cursor_pos_y /= (cell_number-1)*8 then
--if prev_move_down = '0' and move_down = '1' and cursor_pos_y /= (cell_number-2)*8 then
cursor_pos_y <= cursor_pos_y + 8;
end if;
......
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