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Commit e1435986 authored by vagle's avatar vagle
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shifting right

parent bcd79e82
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game_of_life_v2/game_of_life_v2.srcs/sources_1/new/game_of_life.vhd
+ 101
− 35
View file @ e1435986
......@@ -35,8 +35,11 @@ entity game_of_life is
generic (cell_number : positive := 32);
Port ( clk : in STD_LOGIC;
switch_mode : in STD_LOGIC; -- 0: editor, 1: simulation
--cursor_position_x : in UNSIGNED(9 downto 0); -- cursor's position in the horizontal axis
--cursor_position_y : in UNSIGNED(9 downto 0); -- cursor's position in the vertical axis
move_left : in STD_LOGIC; -- cursor's move left button
move_right : in STD_LOGIC; -- cursor's move right button
move_up : in STD_LOGIC; -- cursor's move up button
move_down : in STD_LOGIC; -- cursor's move down button
set_cell : in STD_LOGIC; -- invert cell's value
Hsync : out STD_LOGIC; -- horizontal synchronization controll sign
Vsync : out STD_LOGIC; -- vertical synchronization controll sign
......@@ -58,8 +61,8 @@ port
end component;
signal clk_25MHz, locked : std_logic;
signal cells : std_logic_vector(0 to cell_number*cell_number-1) := (511 => '1', 512 => '1', 513 => '1',others => '0');
signal cells_to_draw : std_logic_vector(0 to cell_number*cell_number-1) := (others => '0');
signal cells : std_logic_vector(0 to cell_number*cell_number-1) := (501 => '1', 502 => '1', 503 => '1',others => '0');
signal cells_to_draw : std_logic_vector(0 to cell_number*cell_number-1) := (501 => '1', 502 => '1', 503 => '1',others => '0');
-- drawing period's constants
constant HORIZONTAL_SYNC_PULSE : integer := 800;
......@@ -81,7 +84,19 @@ signal frame_sig : std_logic_vector(11 downto 0);
-- simulation processers
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 neighbours : std_logic_vector(0 to 8);
signal neighbours_count : unsigned(3 downto 0);
signal frame_counter : unsigned(6 downto 0);
-- cursor handling
signal cursor_pos_x, cursor_pos_y : unsigned(9 downto 0);
signal prev_move_left : std_logic;
signal prev_move_right : std_logic;
signal prev_move_up : std_logic;
signal prev_move_down : std_logic;
signal prev_set_cell : std_logic;
begin
......@@ -96,7 +111,7 @@ clk_gen_25MHz : clk_wiz_0
);
options : process(clk_25MHz,locked)
variable neighbour_cnt : unsigned(3 downto 0) := (others=>'0');
--variable neighbour_cnt : unsigned(3 downto 0) := (others=>'0');
begin
if locked = '0' then
horizontal_counter <= (others => '0');
......@@ -106,22 +121,33 @@ begin
shift_register_top <= (others => '0');
shift_register_middle <= (others => '0');
actual_register <= (others => '0');
neighbours <= (others => '0');
neighbours_count <= (others => '0');
frame_counter <= (others => '0');
cursor_pos_x <= (others => '0');
cursor_pos_y <= (others => '0');
prev_move_left <= move_left;
prev_move_right <= move_right;
prev_move_up <= move_up;
prev_move_down <= move_down;
prev_set_cell <= set_cell;
else
if clk_25MHz'event and clk_25MHz = '1' then
-- output change
if horizontal_counter(9 downto 3) < cell_number and vertical_counter(9 downto 3) < cell_number then
-- editor mode
if switch_mode = '0' then
--if cursor_position_x <= horizontal_counter and cursor_position_x+8 > horizontal_counter and cursor_position_y <= vertical_counter and cursor_position_y+8 > vertical_counter then
-- if cells_to_draw(to_integer(vertical_counter(9 downto 3) * to_unsigned(cell_number,8) + horizontal_counter(9 downto 3))) = '0' then
-- frame_sig <= "000011110000";
-- else
-- frame_sig <= "111100000000";
-- end if;
--else
if cursor_pos_x <= horizontal_counter and cursor_pos_x+8 > horizontal_counter and cursor_pos_y <= vertical_counter and cursor_pos_y+8 > vertical_counter then
if cells_to_draw(to_integer(vertical_counter(9 downto 3) * to_unsigned(cell_number,8) + horizontal_counter(9 downto 3))) = '0' then
frame_sig <= "000011110000";
else
frame_sig <= "111100000000";
end if;
else
frame_sig <= (others => cells_to_draw(to_integer(vertical_counter(9 downto 3) * to_unsigned(cell_number,8) + horizontal_counter(9 downto 3))));
--end if;
end if;
-- simulation mode
else
......@@ -132,40 +158,46 @@ begin
end if;
-- handle shift registers
if horizontal_counter(9 downto 3) < cell_number+2 and vertical_counter(9 downto 3) < cell_number+2 then
--if switch_mode = '1' and frame_counter = 0 and horizontal_counter(9 downto 3) < cell_number+2 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
shift_register_middle <= shift_register_middle(1 to cell_number-1) & cells(to_integer((vertical_counter(9 downto 3)-1) * to_unsigned(cell_number,8) + horizontal_counter(9 downto 3)-1));
neighbours <= neighbours(3 to 8) & shift_register_top(0) & shift_register_middle(0) & cells(to_integer((vertical_counter(9 downto 3) -1)* to_unsigned(cell_number,8) + horizontal_counter(9 downto 3)-1));
--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
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))* to_unsigned(cell_number,8) + horizontal_counter(9 downto 3)));
else
shift_register_middle <= shift_register_middle(1 to cell_number-1) & '0';
neighbours <= neighbours(3 to 8) & shift_register_top(0) & shift_register_middle(0) & '0';
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 <= (others => '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;
--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 neighbours(4)='1' then
if neighbour_cnt = 3 or neighbour_cnt = 4 then
cells(to_integer((vertical_counter(9 downto 3)-1) * to_unsigned(cell_number,8) + horizontal_counter(9 downto 3)-1)) <= '1';
cells_to_draw(to_integer((vertical_counter(9 downto 3)-1) * to_unsigned(cell_number,8) + horizontal_counter(9 downto 3)-1)) <= '1';
if neighbours_count = 3 or neighbours_count = 4 then
cells(to_integer((vertical_counter(9 downto 3)-1) * to_unsigned(cell_number,8) + horizontal_counter(9 downto 3)-2)) <= '1';
cells_to_draw(to_integer((vertical_counter(9 downto 3)-1) * to_unsigned(cell_number,8) + horizontal_counter(9 downto 3)-2)) <= '1';
else
cells(to_integer((vertical_counter(9 downto 3)-1) * to_unsigned(cell_number,8) + horizontal_counter(9 downto 3)-1)) <= '0';
cells_to_draw(to_integer((vertical_counter(9 downto 3)-1) * to_unsigned(cell_number,8) + horizontal_counter(9 downto 3)-1)) <= '0';
cells(to_integer((vertical_counter(9 downto 3)-1) * to_unsigned(cell_number,8) + horizontal_counter(9 downto 3)-2)) <= '0';
cells_to_draw(to_integer((vertical_counter(9 downto 3)-1) * to_unsigned(cell_number,8) + horizontal_counter(9 downto 3)-2)) <= '0';
end if;
else
if neighbour_cnt = 3 then
cells(to_integer((vertical_counter(9 downto 3)-1) * to_unsigned(cell_number,8) + horizontal_counter(9 downto 3)-1)) <= '1';
cells_to_draw(to_integer((vertical_counter(9 downto 3)-1) * to_unsigned(cell_number,8) + horizontal_counter(9 downto 3)-1)) <= '1';
if neighbours_count = 3 then
cells(to_integer((vertical_counter(9 downto 3)-1) * to_unsigned(cell_number,8) + horizontal_counter(9 downto 3)-2)) <= '1';
cells_to_draw(to_integer((vertical_counter(9 downto 3)-1) * to_unsigned(cell_number,8) + horizontal_counter(9 downto 3)-2)) <= '1';
else
cells(to_integer((vertical_counter(9 downto 3)-1) * to_unsigned(cell_number,8) + horizontal_counter(9 downto 3)-1)) <= '0';
cells_to_draw(to_integer((vertical_counter(9 downto 3)-1) * to_unsigned(cell_number,8) + horizontal_counter(9 downto 3)-1)) <= '0';
cells(to_integer((vertical_counter(9 downto 3)-1) * to_unsigned(cell_number,8) + horizontal_counter(9 downto 3)-2)) <= '0';
cells_to_draw(to_integer((vertical_counter(9 downto 3)-1) * to_unsigned(cell_number,8) + horizontal_counter(9 downto 3)-2)) <= '0';
end if;
end if;
......@@ -173,6 +205,35 @@ begin
end if;
-- moving with cursor
if switch_mode = '0' then
if prev_move_left = '0' and move_left = '1' and cursor_pos_x /= 0 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
cursor_pos_x <= cursor_pos_x + 8;
end if;
if prev_move_up = '0' and move_up = '1' and cursor_pos_y /= 0 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
cursor_pos_y <= cursor_pos_y + 8;
end if;
-- set cell's value
if prev_set_cell = '0' and set_cell = '1' then
cells(to_integer(cursor_pos_y(9 downto 3)*cell_number + cursor_pos_x(9 downto 3))) <= not cells(to_integer(cursor_pos_y(9 downto 3)*cell_number + cursor_pos_x(9 downto 3)));
cells_to_draw(to_integer(cursor_pos_y(9 downto 3)*cell_number + cursor_pos_x(9 downto 3))) <= not cells_to_draw(to_integer(cursor_pos_y(9 downto 3)*cell_number + cursor_pos_x(9 downto 3)));
end if;
end if;
-- memorize previous state
prev_move_left <= move_left;
prev_move_right <= move_right;
prev_move_up <= move_up;
prev_move_down <= move_down;
prev_set_cell <= set_cell;
-- sign options
if horizontal_counter = HORIZONTAL_DISPLAY_TIME + HORIZONTAL_FRONT_PORCH - 1 then
Hsync_sig <= '0';
......@@ -190,6 +251,11 @@ begin
-- position changing
if vertical_counter = VERTICAL_SYNC_PULSE-1 then
vertical_counter <= (others => '0');
if frame_counter = 127 then
frame_counter <= (others => '0');
else
frame_counter <= frame_counter + 1;
end if;
end if;
if horizontal_counter = HORIZONTAL_SYNC_PULSE-1 then
horizontal_counter <= (others => '0');
......
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