ניסוי תבנית צבירה

library ieee;‎
use ieee.std_logic_1164.all;‎
‎ ‎
entity myOnes is
port (din : in bit_vector(7 downto 0);‎
‎        y : out integer range 0 to 15);‎
end;‎
‎ ‎
architecture be of myOnes is
begin
‎ ‎
process(din)‎
‎    variable c : integer range 0 to 15 := 0;‎
‎    begin
‎    c:= 0;‎
‎    for i in 0 to 7 loop
‎        if din(i) = '1' then c := c + 1;‎
‎        else c := c;‎
‎        end if;‎
‎    end loop;‎
‎    y <= c;‎
end process;‎
‎ ‎
end be;‎



n, s = 0, 0‎
while n >= 0:‎
‎    n = int(input("Enter a positive number: "))‎
‎    if n >= 0:‎
‎        s += n
print(s)‎‏ ‏