blg.vhd.txt

lattice isplever7竟然没有除法库,只好在网上找了老外写的vhdl除法器

               (g(3) and p(4) and p(5) and p(6) and p(7) and p(8)) or
               (g(2) and p(3) and p(4) and p(5) and p(6) and p(7) and p(8)) or
               (g(1) and p(2) and p(3) and p(4) and p(5) and p(6) and p(7)
                and p(8)) or
               (g(0) and p(1) and p(2) and p(3) and p(4) and p(5) and p(6)
                and p(7) and p(8)));
    end generate;

    C10_GEN : if WIDTH >= 10 generate
      C(10) <= (g(9) or
                (g(8) and p(9)) or
                (g(7) and p(8) and p(9)) or
                (g(6) and p(7) and p(8) and p(9)) or
                (g(5) and p(6) and p(7) and p(8) and p(9)) or
                (g(4) and p(5) and p(6) and p(7) and p(8) and p(9)) or
                (g(3) and p(4) and p(5) and p(6) and p(7) and p(8) and p(9)) or
                (g(2) and p(3) and p(4) and p(5) and p(6) and p(7) and p(8)
                 and p(9)) or
                (g(1) and p(2) and p(3) and p(4) and p(5) and p(6) and p(7)
                 and p(8) and p(9)) or
                (g(0) and p(1) and p(2) and p(3) and p(4) and p(5) and p(6)
                 and p(7) and p(8) and p(9)));
    end generate;

    C11_GEN : if WIDTH >= 11 generate
      C(11) <= (g(10) or
                (g(9) and p(10)) or
                (g(8) and p(9) and p(10)) or
                (g(7) and p(8) and p(9) and p(10)) or
                (g(6) and p(7) and p(8) and p(9) and p(10)) or
                (g(5) and p(6) and p(7) and p(8) and p(9) and p(10)) or
                (g(4) and p(5) and p(6) and p(7) and p(8) and p(9) and p(10))
                or
                (g(3) and p(4) and p(5) and p(6) and p(7) and p(8) and p(9)
                 and p(10)) or
                (g(2) and p(3) and p(4) and p(5) and p(6) and p(7) and p(8)
                 and p(9) and p(10)) or
                (g(1) and p(2) and p(3) and p(4) and p(5) and p(6) and p(7)
                 and p(8) and p(9) and p(10)) or
                (g(0) and p(1) and p(2) and p(3) and p(4) and p(5) and p(6)
                 and p(7) and p(8) and p(9) and p(10)));
    end generate;

    C12_GEN : if WIDTH >= 12 generate
      C(12) <= (g(11) or
                (g(10) and p(11)) or
                (g(9) and p(10) and p(11)) or
                (g(8) and p(9) and p(10) and p(11)) or
                (g(7) and p(8) and p(9) and p(10) and p(11)) or
                (g(6) and p(7) and p(8) and p(9) and p(10) and p(11)) or
                (g(5) and p(6) and p(7) and p(8) and p(9) and p(10) and p(11))
                or
                (g(4) and p(5) and p(6) and p(7) and p(8) and p(9) and p(10)
                 and p(11)) or
                (g(3) and p(4) and p(5) and p(6) and p(7) and p(8) and p(9)
                 and p(10) and p(11)) or
                (g(2) and p(3) and p(4) and p(5) and p(6) and p(7) and p(8)
                 and p(9) and p(10) and p(11)) or
                (g(1) and p(2) and p(3) and p(4) and p(5) and p(6) and p(7)
                 and p(8) and p(9) and p(10) and p(11)) or
                (g(0) and p(1) and p(2) and p(3) and p(4) and p(5) and p(6)
                 and p(7) and p(8) and p(9) and p(10) and p(11)));
    end generate;

    C13_GEN : if WIDTH >= 13 generate
      C(13) <= (g(12) or
                (g(11) and p(12)) or
                (g(10) and p(11) and p(12)) or
                (g(9) and p(10) and p(11) and p(12)) or
                (g(8) and p(9) and p(10) and p(11) and p(12)) or
                (g(7) and p(8) and p(9) and p(10) and p(11) and p(12)) or
                (g(6) and p(7) and p(8) and p(9) and p(10) and p(11) and p(12))
                or
                (g(5) and p(6) and p(7) and p(8) and p(9) and p(10) and p(11)
                 and p(12)) or
                (g(4) and p(5) and p(6) and p(7) and p(8) and p(9) and p(10)
                 and p(11) and p(12)) or
                (g(3) and p(4) and p(5) and p(6) and p(7) and p(8) and p(9)
                 and p(10) and p(11) and p(12)) or
                (g(2) and p(3) and p(4) and p(5) and p(6) and p(7) and p(8)
                 and p(9) and p(10) and p(11) and p(12)) or
                (g(1) and p(2) and p(3) and p(4) and p(5) and p(6) and p(7)
                 and p(8) and p(9) and p(10) and p(11) and p(12)) or
                (g(0) and p(1) and p(2) and p(3) and p(4) and p(5) and p(6)
                 and p(7) and p(8) and p(9) and p(10) and p(11) and p(12)));
    end generate;

    C14_GEN : if WIDTH >= 14 generate
      C(14) <= (g(13) or
                (g(12) and p(13)) or
                (g(11) and p(12) and p(13)) or
                (g(10) and p(11) and p(12) and p(13)) or
                (g(9) and p(10) and p(11) and p(12) and p(13)) or
                (g(8) and p(9) and p(10) and p(11) and p(12) and p(13)) or
                (g(7) and p(8) and p(9) and p(10) and p(11) and p(12)
                 and p(13)) or
                (g(6) and p(7) and p(8) and p(9) and p(10) and p(11) and p(12)
                 and p(13)) or
                (g(5) and p(6) and p(7) and p(8) and p(9) and p(10) and p(11)
                 and p(12) and p(13)) or
                (g(4) and p(5) and p(6) and p(7) and p(8) and p(9) and p(10)
                 and p(11) and p(12) and p(13)) or
                (g(3) and p(4) and p(5) and p(6) and p(7) and p(8) and p(9)
                 and p(10) and p(11) and p(12) and p(13)) or
                (g(2) and p(3) and p(4) and p(5) and p(6) and p(7) and p(8)
                 and p(9) and p(10) and p(11) and p(12) and p(13)) or
                (g(1) and p(2) and p(3) and p(4) and p(5) and p(6) and p(7)
                 and p(8) and p(9) and p(10) and p(11) and p(12) and p(13)) or
                (g(0) and p(1) and p(2) and p(3) and p(4) and p(5) and p(6)
                 and p(7) and p(8) and p(9) and p(10) and p(11) and p(12)
                 and p(13)));
    end generate;

    C15_GEN : if WIDTH >= 15 generate
      C(15) <= (g(14) or
                (g(13) and p(14)) or
                (g(12) and p(13) and p(14)) or
                (g(11) and p(12) and p(13) and p(14)) or
                (g(10) and p(11) and p(12) and p(13) and p(14)) or
                (g(9) and p(10) and p(11) and p(12) and p(13) and p(14)) or
                (g(8) and p(9) and p(10) and p(11) and p(12) and p(13)
                 and p(14)) or
                (g(7) and p(8) and p(9) and p(10) and p(11) and p(12)
                 and p(13) and p(14)) or
                (g(6) and p(7) and p(8) and p(9) and p(10) and p(11) and p(12)
                 and p(13) and p(14)) or
                (g(5) and p(6) and p(7) and p(8) and p(9) and p(10) and p(11)
                 and p(12) and p(13) and p(14)) or
                (g(4) and p(5) and p(6) and p(7) and p(8) and p(9) and p(10)
                 and p(11) and p(12) and p(13) and p(14)) or
                (g(3) and p(4) and p(5) and p(6) and p(7) and p(8) and p(9)
                 and p(10) and p(11) and p(12) and p(13) and p(14)) or
                (g(2) and p(3) and p(4) and p(5) and p(6) and p(7) and p(8)
                 and p(9) and p(10) and p(11) and p(12) and p(13) and p(14)) or
                (g(1) and p(2) and p(3) and p(4) and p(5) and p(6) and p(7)
                 and p(8) and p(9) and p(10) and p(11) and p(12) and p(13)
                 and p(14)) or
                (g(0) and p(1) and p(2) and p(3) and p(4) and p(5) and p(6)
                 and p(7) and p(8) and p(9) and p(10) and p(11) and p(12)
                 and p(13) and p(14)));
    end generate;

    C16_GEN : if WIDTH >= 16 generate
      C(16) <= (g(15) or
                (g(14) and p(15)) or
                (g(13) and p(14) and p(15)) or
                (g(12) and p(13) and p(14) and p(15)) or
                (g(11) and p(12) and p(13) and p(14) and p(15)) or
                (g(10) and p(11) and p(12) and p(13) and p(14) and p(15)) or
                (g(9) and p(10) and p(11) and p(12) and p(13) and p(14)
                 and p(15)) or
                (g(8) and p(9) and p(10) and p(11) and p(12) and p(13)
                 and p(14) and p(15)) or
                (g(7) and p(8) and p(9) and p(10) and p(11) and p(12)
                 and p(13) and p(14) and p(15)) or
                (g(6) and p(7) and p(8) and p(9) and p(10) and p(11) and p(12)
                 and p(13) and p(14) and p(15)) or
                (g(5) and p(6) and p(7) and p(8) and p(9) and p(10) and p(11)
                 and p(12) and p(13) and p(14) and p(15)) or
                (g(4) and p(5) and p(6) and p(7) and p(8) and p(9) and p(10)
                 and p(11) and p(12) and p(13) and p(14) and p(15)) or
                (g(3) and p(4) and p(5) and p(6) and p(7) and p(8) and p(9)
                 and p(10) and p(11) and p(12) and p(13) and p(14) and p(15))
                or
                (g(2) and p(3) and p(4) and p(5) and p(6) and p(7) and p(8)
                 and p(9) and p(10) and p(11) and p(12) and p(13) and p(14)
                 and p(15)) or
                (g(1) and p(2) and p(3) and p(4) and p(5) and p(6) and p(7)
                 and p(8) and p(9) and p(10) and p(11) and p(12) and p(13)
                 and p(14) and p(15)) or
                (g(0) and p(1) and p(2) and p(3) and p(4) and p(5) and p(6)
                 and p(7) and p(8) and p(9) and p(10) and p(11) and p(12)
                 and p(13) and p(14) and p(15)));
    end generate;

  end generate;

--I0: OR8
--port map (A=>o1, B=>o2, C=>o3, D=>o4, E=>o5, F=>o6, G=>o7, H=>o8, Q=>C(8));
--o1 <= g(7);
--I2: OR2 port map(g(6), p(7), o2);
--I3: OR3 port map(g(5), p(6), p(7), o3);
--I4: OR4 port map(g(4), p(5), p(6), p(7), o4);
--I5: OR5 port map(g(3), p(4), p(5), p(6), p(7), o5);
--I6: OR6 port map(g(2), p(3), p(4), p(5), p(6), p(7), o6);
--I7: OR7 port map(g(1), p(2), p(3), p(4), p(5), p(6), p(7), o7);
--I8: OR8 port map(g(0), p(1), p(2), p(3), p(4), p(5), p(6), p(7), o8);

end RTL;

-------------------------------------------------------------------------------
-- CONFIGURATION
-------------------------------------------------------------------------------
-- synopsys translate_off

configuration blg_CFG of blg is
  for RTL
  end for;
end blg_CFG;

-- synopsys translate_on