VHDL PROGRAM FOR BINARY TO BCD CONVERTER

BINARY TO BCD

Library IEEE;

    use IEEE.std_logic_1164.all;

    entity binary is

        port(b0,b1,b2,b3,b4:in bit;

            a,b,c,d,e:out bit);

        end binary;

        architecture binary_D of binary is

            begin

                a <= b0;

                b <= b1 xor b4;

                c <= ((not b1) and b2) or (b1 and (not b2) and b4) or (b2 and (not b4));

                d <= ((not b1) and (not b3) and b4) or ((not b2) and (not b3) and b4) or (b3 and (not b4));

                e <= (b1 and b2 and b4) or (b3 and b4);

            end binary_D;