PPT Slide

process

begin

if In1 = ‘0’ or In2 = ‘0’ then

Out <= ‘0’ after Delay;

elseif In1 = ‘X’ or In2 = ‘X’ then

Out <= ‘X’ after Delay;

else

Out <= ‘1’ after Delay;

enf if;

wait on In1, In2;

end process;