entity meineschaltung is
port
(
a: in bit_vector (3 downto 0);
b: in bit_vector (3 downto 0);
c: out bit_vector (3 downto 0)
);
end;
architecture behaviour of meineschaltung is
begin
c(3) <= a(3) and b(3);
c(2) <= a(2) and b(2);
c(1) <= a(1) and b(1);
c(0) <= a(0) and b(0);
end;