alu_c35.vhd

4bit ALU 利用vhdl语言编写的4位ALU 开发环境是在windows下

-- 
-- Definition of  alu
-- 
--      01/16/06 08:15:26
--      
--      LeonardoSpectrum Level 3, 2005a.82
-- 

library IEEE;
use IEEE.STD_LOGIC_1164.all;

entity alu is
   port (
      a : IN std_logic_vector (3 DOWNTO 0) ;
      b : IN std_logic_vector (3 DOWNTO 0) ;
      s : IN std_logic_vector (3 DOWNTO 0) ;
      cin : IN std_logic ;
      f : OUT std_logic_vector (3 DOWNTO 0) ;
      cout : OUT std_logic) ;
end alu ;

architecture action of alu is
   signal nx12, nx18, nx32, nx34, nx36, nx42, nx48, nx56, nx70, nx72, nx88, 
      nx96, nx122, nx130, nx138, nx144, nx152, nx166, nx174, nx182, nx196, 
      nx204, nx212, nx220, nx232, nx236, nx248, nx252, nx264, nx278, nx290, 
      nx298, nx306, nx314, nx320, nx332, nx346, nx356, nx368, nx386, nx398, 
      nx408, nx416, nx598, nx600, nx603, nx605, nx608, nx611, nx613, nx615, 
      nx617, nx619, nx623, nx626, nx628, nx630, nx632, nx634, nx636, nx639, 
      nx641, nx646, nx649, nx652, nx655, nx657, nx659, nx664, nx666, nx670, 
      nx672, nx674, nx676, nx680, nx683, nx686, nx689, nx692, nx694, nx697, 
      nx702, nx705, nx708, nx712, nx716, nx718, nx723, nx725, nx728, nx731, 
      nx737, nx740, nx742, nx745, nx749, nx752, nx755, nx757, nx760, nx762: 
   std_logic ;

begin
   lat_cc : DLQ1 port map ( Q=>cout, D=>nx144, GN=>nx639);
   ix145 : OAI2111 port map ( Q=>nx144, A=>nx598, B=>nx603, C=>nx619, D=>
      nx636);
   ix601 : CLKIN1 port map ( Q=>nx600, A=>s(3));
   ix604 : MAJ31 port map ( Q=>nx603, A=>a(3), B=>nx605, C=>nx96);
   ix606 : CLKIN1 port map ( Q=>nx605, A=>b(3));
   ix97 : IMUX21 port map ( Q=>nx96, A=>nx608, B=>b(2), S=>nx615);
   ix609 : IMAJ30 port map ( Q=>nx608, A=>nx88, B=>a(1), C=>nx613);
   ix89 : IMAJ30 port map ( Q=>nx88, A=>cin, B=>nx611, C=>b(0));
   ix612 : CLKIN1 port map ( Q=>nx611, A=>a(0));
   ix614 : CLKIN1 port map ( Q=>nx613, A=>b(1));
   ix616 : AOI211 port map ( Q=>nx615, A=>b(2), B=>a(2), C=>nx617);
   ix618 : NOR21 port map ( Q=>nx617, A=>a(2), B=>b(2));
   ix620 : NAND21 port map ( Q=>nx619, A=>nx122, B=>nx138);
   ix123 : NOR40 port map ( Q=>nx122, A=>s(0), B=>s(3), C=>s(2), D=>s(1));
   ix139 : OAI211 port map ( Q=>nx138, A=>nx623, B=>nx632, C=>nx634);
   ix624 : IMAJ30 port map ( Q=>nx623, A=>nx130, B=>a(2), C=>b(2));
   ix131 : OAI211 port map ( Q=>nx130, A=>nx626, B=>nx628, C=>nx630);
   ix627 : IMAJ30 port map ( Q=>nx626, A=>cin, B=>a(0), C=>b(0));
   ix629 : NOR21 port map ( Q=>nx628, A=>a(1), B=>b(1));
   ix631 : NAND21 port map ( Q=>nx630, A=>b(1), B=>a(1));
   ix633 : NOR21 port map ( Q=>nx632, A=>a(3), B=>b(3));
   ix635 : NAND21 port map ( Q=>nx634, A=>b(3), B=>a(3));
   ix637 : NAND31 port map ( Q=>nx636, A=>nx12, B=>s(3), C=>cin);
   ix13 : OAI311 port map ( Q=>nx12, A=>s(0), B=>s(2), C=>s(1), D=>s(3));
   ix640 : OAI311 port map ( Q=>nx639, A=>cin, B=>nx641, C=>nx18, D=>nx12);
   ix642 : CLKIN1 port map ( Q=>nx641, A=>s(0));
   ix19 : NAND21 port map ( Q=>nx18, A=>s(1), B=>s(2));
   lat_ff_0 : DLQ1 port map ( Q=>f(0), D=>nx212, GN=>nx676);
   ix213 : NAND41 port map ( Q=>nx212, A=>nx646, B=>nx657, C=>nx659, D=>
      nx664);
   ix647 : AOI221 port map ( Q=>nx646, A=>nx70, B=>nx196, C=>a(1), D=>nx204
   );
   ix71 : NOR21 port map ( Q=>nx70, A=>nx649, B=>nx611);
   ix650 : CLKIN1 port map ( Q=>nx649, A=>b(0));
   ix197 : NOR40 port map ( Q=>nx196, A=>s(0), B=>s(3), C=>nx652, D=>s(1));
   ix653 : CLKIN1 port map ( Q=>nx652, A=>s(2));
   ix205 : NOR40 port map ( Q=>nx204, A=>nx641, B=>s(3), C=>s(2), D=>nx655);
   ix656 : CLKIN1 port map ( Q=>nx655, A=>s(1));
   ix658 : NAND21 port map ( Q=>nx657, A=>s(3), B=>a(0));
   ix660 : AOI221 port map ( Q=>nx659, A=>a(3), B=>nx182, C=>nx72, D=>nx174
   );
   ix183 : NOR40 port map ( Q=>nx182, A=>s(0), B=>s(3), C=>s(2), D=>nx655);
   ix175 : NOR40 port map ( Q=>nx174, A=>nx641, B=>s(3), C=>nx652, D=>s(1));
   ix665 : AOI311 port map ( Q=>nx664, A=>nx666, B=>nx600, C=>nx152, D=>
      nx166);
   ix153 : XNR21 port map ( Q=>nx152, A=>a(0), B=>s(0));
   ix167 : NOR40 port map ( Q=>nx166, A=>nx670, B=>s(3), C=>s(2), D=>s(1));
   ix671 : XNR21 port map ( Q=>nx670, A=>cin, B=>nx672);
   ix673 : AOI211 port map ( Q=>nx672, A=>b(0), B=>a(0), C=>nx674);
   ix675 : NOR21 port map ( Q=>nx674, A=>a(0), B=>b(0));
   lat_ff_1 : DLQ1 port map ( Q=>f(1), D=>nx298, GN=>nx676);
   ix299 : NAND41 port map ( Q=>nx298, A=>nx680, B=>nx689, C=>nx694, D=>
      nx697);
   ix681 : AOI221 port map ( Q=>nx680, A=>a(1), B=>nx290, C=>nx278, D=>nx32
   );
   ix291 : OAI221 port map ( Q=>nx290, A=>cin, B=>nx683, C=>nx600, D=>a(3));
   ix279 : XNR21 port map ( Q=>nx278, A=>nx88, B=>nx686);
   ix687 : AOI211 port map ( Q=>nx686, A=>b(1), B=>a(1), C=>nx628);
   ix33 : NOR40 port map ( Q=>nx32, A=>nx641, B=>s(3), C=>s(2), D=>s(1));
   ix690 : AOI221 port map ( Q=>nx689, A=>nx56, B=>nx196, C=>a(2), D=>nx204
   );
   ix693 : CLKIN1 port map ( Q=>nx692, A=>a(1));
   ix695 : AOI221 port map ( Q=>nx694, A=>a(0), B=>nx182, C=>nx264, D=>nx122
   );
   ix265 : XNR21 port map ( Q=>nx264, A=>nx626, B=>nx686);
   ix698 : AOI2111 port map ( Q=>nx697, A=>nx692, B=>nx252, C=>nx248, D=>
      nx220);
   ix253 : NOR40 port map ( Q=>nx252, A=>s(0), B=>s(3), C=>nx655, D=>nx652);
   ix249 : AOI2111 port map ( Q=>nx248, A=>a(1), B=>a(0), C=>nx232, D=>nx702
   );
   ix233 : NOR21 port map ( Q=>nx232, A=>a(0), B=>a(1));
   ix703 : AOI221 port map ( Q=>nx702, A=>s(3), B=>a(3), C=>cin, D=>nx236);
   ix237 : NOR21 port map ( Q=>nx236, A=>nx705, B=>nx18);
   ix706 : NAND21 port map ( Q=>nx705, A=>s(0), B=>nx600);
   ix221 : NOR21 port map ( Q=>nx220, A=>nx628, B=>nx708);
   lat_ff_2 : DLQ1 port map ( Q=>f(2), D=>nx356, GN=>nx676);
   ix357 : NAND41 port map ( Q=>nx356, A=>nx712, B=>nx718, C=>nx725, D=>
      nx728);
   ix713 : AOI221 port map ( Q=>nx712, A=>a(2), B=>nx290, C=>nx346, D=>nx32
   );
   ix347 : XNR21 port map ( Q=>nx346, A=>nx608, B=>nx48);
   ix717 : NAND21 port map ( Q=>nx716, A=>b(2), B=>a(2));
   ix719 : AOI221 port map ( Q=>nx718, A=>nx42, B=>nx196, C=>a(3), D=>nx204
   );
   ix724 : CLKIN1 port map ( Q=>nx723, A=>a(2));
   ix726 : AOI221 port map ( Q=>nx725, A=>a(1), B=>nx182, C=>nx332, D=>nx122
   );
   ix333 : XNR21 port map ( Q=>nx332, A=>nx130, B=>nx48);
   ix729 : AOI2111 port map ( Q=>nx728, A=>nx723, B=>nx252, C=>nx320, D=>
      nx306);
   ix321 : AOI2111 port map ( Q=>nx320, A=>nx731, B=>a(2), C=>nx314, D=>
      nx702);
   ix315 : NOR31 port map ( Q=>nx314, A=>a(2), B=>a(0), C=>a(1));
   ix307 : NOR21 port map ( Q=>nx306, A=>nx617, B=>nx708);
   lat_ff_3 : DLQ1 port map ( Q=>f(3), D=>nx416, GN=>nx676);
   ix417 : NAND41 port map ( Q=>nx416, A=>nx737, B=>nx742, C=>nx749, D=>
      nx752);
   ix738 : AOI221 port map ( Q=>nx737, A=>a(0), B=>nx204, C=>nx408, D=>nx32
   );
   ix409 : XOR21 port map ( Q=>nx408, A=>nx740, B=>nx96);
   ix741 : OAI211 port map ( Q=>nx740, A=>a(3), B=>b(3), C=>nx634);
   ix743 : AOI221 port map ( Q=>nx742, A=>nx36, B=>nx196, C=>nx398, D=>nx122
   );
   ix746 : CLKIN1 port map ( Q=>nx745, A=>a(3));
   ix750 : AOI221 port map ( Q=>nx749, A=>a(2), B=>nx182, C=>nx34, D=>nx174
   );
   ix753 : AOI211 port map ( Q=>nx752, A=>nx745, B=>nx252, C=>nx386);
   ix387 : OAI211 port map ( Q=>nx386, A=>nx745, B=>nx755, C=>nx760);
   ix756 : AOI221 port map ( Q=>nx755, A=>nx757, B=>nx236, C=>s(3), D=>nx368
   );
   ix758 : CLKIN1 port map ( Q=>nx757, A=>cin);
   ix761 : NAND31 port map ( Q=>nx760, A=>nx236, B=>cin, C=>nx762);
   ix763 : XNR21 port map ( Q=>nx762, A=>a(3), B=>nx314);
   ix369 : CLKIN1 port map ( Q=>nx368, A=>nx762);
   ix684 : CLKIN1 port map ( Q=>nx683, A=>nx236);
   ix732 : CLKIN1 port map ( Q=>nx731, A=>nx232);
   ix709 : CLKIN1 port map ( Q=>nx708, A=>nx174);
   ix73 : CLKIN1 port map ( Q=>nx72, A=>nx674);
   ix57 : CLKIN1 port map ( Q=>nx56, A=>nx630);
   ix49 : CLKIN1 port map ( Q=>nx48, A=>nx615);
   ix43 : CLKIN1 port map ( Q=>nx42, A=>nx716);
   ix37 : CLKIN1 port map ( Q=>nx36, A=>nx634);
   ix35 : CLKIN1 port map ( Q=>nx34, A=>nx632);
   ix599 : CLKIN1 port map ( Q=>nx598, A=>nx32);
   ix667 : CLKIN1 port map ( Q=>nx666, A=>nx18);
   ix677 : CLKIN1 port map ( Q=>nx676, A=>nx12);
   ix399 : XOR21 port map ( Q=>nx398, A=>nx623, B=>nx740);
end action ;