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diff --git a/ALUSHOW.vf b/ALUSHOW.vf
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+++ b/ALUSHOW.vf
@@ -1,286 +1,290 @@
-////////////////////////////////////////////////////////////////////////////////
-// Copyright (c) 1995-2011 Xilinx, Inc. All rights reserved.
-////////////////////////////////////////////////////////////////////////////////
-// ____ ____
-// / /\/ /
-// /___/ \ / Vendor: Xilinx
-// \ \ \/ Version : 13.4
-// \ \ Application : sch2hdl
-// / / Filename : ALUSHOW.vf
-// /___/ /\ Timestamp : 02/15/2012 21:35:26
-// \ \ / \
-// \___\/\___\
-//
-//Command: sch2hdl -intstyle ise -family spartan6 -verilog /home/michael/Documents/School/EC311/lab2/ALUSHOW.vf -w /home/michael/Documents/School/EC311/lab2/ALUSHOW.sch
-//Design Name: ALUSHOW
-//Device: spartan6
-//Purpose:
-// This verilog netlist is translated from an ECS schematic.It can be
-// synthesized and simulated, but it should not be modified.
-//
-`timescale 1ns / 1ps
-
-module sev_seg_disp_MUSER_ALUSHOW(A,
- B,
- C,
- D,
- AN0,
- AN1,
- AN2,
- AN3,
- a_out,
- b_out,
- c_out,
- d_out,
- e_out,
- f_out,
- g_out,
- sign);
-
- input A;
- input B;
- input C;
- input D;
- output AN0;
- output AN1;
- output AN2;
- output AN3;
- output a_out;
- output b_out;
- output c_out;
- output d_out;
- output e_out;
- output f_out;
- output g_out;
- output sign;
-
- wire A_BAR;
- wire B_BAR;
- wire C_BAR;
- wire D_BAR;
- wire XLXN_14;
- wire XLXN_24;
- wire XLXN_61;
- wire XLXN_62;
- wire XLXN_63;
- wire XLXN_64;
- wire XLXN_65;
- wire XLXN_91;
- wire XLXN_92;
- wire XLXN_93;
- wire XLXN_94;
- wire XLXN_105;
- wire XLXN_113;
- wire XLXN_114;
- wire XLXN_125;
- wire XLXN_126;
- wire XLXN_128;
- wire XLXN_129;
- wire XLXN_130;
- wire XLXN_131;
- wire XLXN_145;
- wire XLXN_146;
- wire XLXN_147;
- wire XLXN_148;
- wire XLXN_149;
- wire XLXN_151;
- wire XLXN_155;
- wire XLXN_156;
- wire XLXN_158;
- wire XLXN_160;
- wire XLXN_162;
- wire XLXN_165;
-
- BUF XLXI_5 (.I(XLXN_14),
- .O(AN0));
- BUF XLXI_6 (.I(XLXN_14),
- .O(AN1));
- BUF XLXI_7 (.I(XLXN_14),
- .O(AN2));
- BUF XLXI_8 (.I(XLXN_24),
- .O(AN3));
- GND XLXI_11 (.G(XLXN_24));
- VCC XLXI_12 (.P(XLXN_14));
- AND3 XLXI_30 (.I0(B),
- .I1(C_BAR),
- .I2(D),
- .O(XLXN_61));
- AND3 XLXI_31 (.I0(A_BAR),
- .I1(D),
- .I2(C),
- .O(XLXN_62));
- AND2 XLXI_32 (.I0(B_BAR),
- .I1(D_BAR),
- .O(XLXN_63));
- AND2 XLXI_33 (.I0(C),
- .I1(D_BAR),
- .O(XLXN_64));
- OR5 XLXI_34 (.I0(XLXN_65),
- .I1(XLXN_64),
- .I2(XLXN_63),
- .I3(XLXN_62),
- .I4(XLXN_61),
- .O(XLXN_149));
- AND2 XLXI_35 (.I0(B_BAR),
- .I1(A),
- .O(XLXN_65));
- INV XLXI_37 (.I(A),
- .O(A_BAR));
- INV XLXI_38 (.I(B),
- .O(B_BAR));
- INV XLXI_39 (.I(C),
- .O(C_BAR));
- INV XLXI_40 (.I(D),
- .O(D_BAR));
- OR4 XLXI_41 (.I0(XLXN_94),
- .I1(XLXN_93),
- .I2(XLXN_92),
- .I3(XLXN_91),
- .O(XLXN_151));
- XNOR2 XLXI_42 (.I0(B),
- .I1(A),
- .O(XLXN_91));
- AND2 XLXI_43 (.I0(D_BAR),
- .I1(C_BAR),
- .O(XLXN_92));
- AND2 XLXI_44 (.I0(B_BAR),
- .I1(C_BAR),
- .O(XLXN_93));
- AND3 XLXI_45 (.I0(A_BAR),
- .I1(D),
- .I2(C),
- .O(XLXN_94));
- XOR2 XLXI_46 (.I0(B),
- .I1(A),
- .O(XLXN_105));
- OR3 XLXI_47 (.I0(D),
- .I1(C_BAR),
- .I2(XLXN_105),
- .O(XLXN_155));
- AND2 XLXI_48 (.I0(D_BAR),
- .I1(C),
- .O(XLXN_125));
- AND2 XLXI_49 (.I0(D_BAR),
- .I1(B_BAR),
- .O(XLXN_126));
- AND2 XLXI_50 (.I0(C),
- .I1(B_BAR),
- .O(XLXN_113));
- AND3 XLXI_51 (.I0(C_BAR),
- .I1(D),
- .I2(B),
- .O(XLXN_114));
- OR4 XLXI_52 (.I0(XLXN_114),
- .I1(XLXN_113),
- .I2(XLXN_126),
- .I3(XLXN_125),
- .O(XLXN_156));
- OR2 XLXI_53 (.I0(XLXN_126),
- .I1(XLXN_125),
- .O(XLXN_158));
- AND3 XLXI_54 (.I0(C_BAR),
- .I1(B),
- .I2(A_BAR),
- .O(XLXN_128));
- AND3 XLXI_55 (.I0(C),
- .I1(B_BAR),
- .I2(A),
- .O(XLXN_129));
- AND3 XLXI_56 (.I0(D_BAR),
- .I1(B),
- .I2(A_BAR),
- .O(XLXN_130));
- AND2 XLXI_57 (.I0(D_BAR),
- .I1(C_BAR),
- .O(XLXN_131));
- OR4 XLXI_58 (.I0(XLXN_131),
- .I1(XLXN_130),
- .I2(XLXN_129),
- .I3(XLXN_128),
- .O(XLXN_160));
- OR4 XLXI_60 (.I0(XLXN_148),
- .I1(XLXN_147),
- .I2(XLXN_146),
- .I3(XLXN_145),
- .O(XLXN_162));
- AND2 XLXI_61 (.I0(C_BAR),
- .I1(B),
- .O(XLXN_145));
- AND2 XLXI_62 (.I0(D_BAR),
- .I1(C),
- .O(XLXN_146));
- AND2 XLXI_63 (.I0(B_BAR),
- .I1(C),
- .O(XLXN_147));
- AND2 XLXI_64 (.I0(D_BAR),
- .I1(A),
- .O(XLXN_148));
- INV XLXI_65 (.I(XLXN_149),
- .O(a_out));
- INV XLXI_66 (.I(XLXN_151),
- .O(b_out));
- INV XLXI_67 (.I(XLXN_155),
- .O(c_out));
- INV XLXI_68 (.I(XLXN_158),
- .O(e_out));
- INV XLXI_69 (.I(XLXN_156),
- .O(d_out));
- INV XLXI_70 (.I(XLXN_160),
- .O(f_out));
- INV XLXI_71 (.I(XLXN_162),
- .O(g_out));
- INV XLXI_72 (.I(A_BAR),
- .O(XLXN_165));
- INV XLXI_73 (.I(XLXN_165),
- .O(sign));
-endmodule
-`timescale 1ns / 1ps
-
-module ALUSHOW(AN0,
- AN1,
- AN2,
- AN3,
- ao,
- bo,
- co,
- do,
- eo,
- fo,
- go,
- sign);
-
- output AN0;
- output AN1;
- output AN2;
- output AN3;
- output ao;
- output bo;
- output co;
- output do;
- output eo;
- output fo;
- output go;
- output sign;
-
- wire [3:0] ALU_OUT;
-
- sev_seg_disp_MUSER_ALUSHOW XLXI_2 (.A(ALU_OUT[0]),
- .B(ALU_OUT[1]),
- .C(ALU_OUT[2]),
- .D(ALU_OUT[3]),
- .AN0(AN0),
- .AN1(AN1),
- .AN2(AN2),
- .AN3(AN3),
- .a_out(ao),
- .b_out(bo),
- .c_out(co),
- .d_out(do),
- .e_out(eo),
- .f_out(fo),
- .g_out(go),
- .sign(sign));
- ALU XLXI_4 (.a(),
- .s(),
- .o(ALU_OUT[3:0]));
-endmodule
+////////////////////////////////////////////////////////////////////////////////
+// Copyright (c) 1995-2011 Xilinx, Inc. All rights reserved.
+////////////////////////////////////////////////////////////////////////////////
+// ____ ____
+// / /\/ /
+// /___/ \ / Vendor: Xilinx
+// \ \ \/ Version : 13.3
+// \ \ Application : sch2hdl
+// / / Filename : ALUSHOW.vf
+// /___/ /\ Timestamp : 02/16/2012 21:14:59
+// \ \ / \
+// \___\/\___\
+//
+//Command: sch2hdl -intstyle ise -family spartan6 -verilog "X:/My Documents/ec311/ec311-lab2/ALUSHOW.vf" -w "X:/My Documents/ec311/ec311-lab2/ALUSHOW.sch"
+//Design Name: ALUSHOW
+//Device: spartan6
+//Purpose:
+// This verilog netlist is translated from an ECS schematic.It can be
+// synthesized and simulated, but it should not be modified.
+//
+`timescale 1ns / 1ps
+
+module sev_seg_disp_MUSER_ALUSHOW(A,
+ B,
+ C,
+ D,
+ AN0,
+ AN1,
+ AN2,
+ AN3,
+ a_out,
+ b_out,
+ c_out,
+ d_out,
+ e_out,
+ f_out,
+ g_out,
+ sign);
+
+ input A;
+ input B;
+ input C;
+ input D;
+ output AN0;
+ output AN1;
+ output AN2;
+ output AN3;
+ output a_out;
+ output b_out;
+ output c_out;
+ output d_out;
+ output e_out;
+ output f_out;
+ output g_out;
+ output sign;
+
+ wire A_BAR;
+ wire B_BAR;
+ wire C_BAR;
+ wire D_BAR;
+ wire XLXN_14;
+ wire XLXN_24;
+ wire XLXN_61;
+ wire XLXN_62;
+ wire XLXN_63;
+ wire XLXN_64;
+ wire XLXN_65;
+ wire XLXN_91;
+ wire XLXN_92;
+ wire XLXN_93;
+ wire XLXN_94;
+ wire XLXN_105;
+ wire XLXN_113;
+ wire XLXN_114;
+ wire XLXN_125;
+ wire XLXN_126;
+ wire XLXN_128;
+ wire XLXN_129;
+ wire XLXN_130;
+ wire XLXN_131;
+ wire XLXN_145;
+ wire XLXN_146;
+ wire XLXN_147;
+ wire XLXN_148;
+ wire XLXN_149;
+ wire XLXN_151;
+ wire XLXN_155;
+ wire XLXN_156;
+ wire XLXN_158;
+ wire XLXN_160;
+ wire XLXN_162;
+ wire XLXN_165;
+
+ BUF XLXI_5 (.I(XLXN_14),
+ .O(AN0));
+ BUF XLXI_6 (.I(XLXN_14),
+ .O(AN1));
+ BUF XLXI_7 (.I(XLXN_14),
+ .O(AN2));
+ BUF XLXI_8 (.I(XLXN_24),
+ .O(AN3));
+ GND XLXI_11 (.G(XLXN_24));
+ VCC XLXI_12 (.P(XLXN_14));
+ AND3 XLXI_30 (.I0(B),
+ .I1(C_BAR),
+ .I2(D),
+ .O(XLXN_61));
+ AND3 XLXI_31 (.I0(A_BAR),
+ .I1(D),
+ .I2(C),
+ .O(XLXN_62));
+ AND2 XLXI_32 (.I0(B_BAR),
+ .I1(D_BAR),
+ .O(XLXN_63));
+ AND2 XLXI_33 (.I0(C),
+ .I1(D_BAR),
+ .O(XLXN_64));
+ OR5 XLXI_34 (.I0(XLXN_65),
+ .I1(XLXN_64),
+ .I2(XLXN_63),
+ .I3(XLXN_62),
+ .I4(XLXN_61),
+ .O(XLXN_149));
+ AND2 XLXI_35 (.I0(B_BAR),
+ .I1(A),
+ .O(XLXN_65));
+ INV XLXI_37 (.I(A),
+ .O(A_BAR));
+ INV XLXI_38 (.I(B),
+ .O(B_BAR));
+ INV XLXI_39 (.I(C),
+ .O(C_BAR));
+ INV XLXI_40 (.I(D),
+ .O(D_BAR));
+ OR4 XLXI_41 (.I0(XLXN_94),
+ .I1(XLXN_93),
+ .I2(XLXN_92),
+ .I3(XLXN_91),
+ .O(XLXN_151));
+ XNOR2 XLXI_42 (.I0(B),
+ .I1(A),
+ .O(XLXN_91));
+ AND2 XLXI_43 (.I0(D_BAR),
+ .I1(C_BAR),
+ .O(XLXN_92));
+ AND2 XLXI_44 (.I0(B_BAR),
+ .I1(C_BAR),
+ .O(XLXN_93));
+ AND3 XLXI_45 (.I0(A_BAR),
+ .I1(D),
+ .I2(C),
+ .O(XLXN_94));
+ XOR2 XLXI_46 (.I0(B),
+ .I1(A),
+ .O(XLXN_105));
+ OR3 XLXI_47 (.I0(D),
+ .I1(C_BAR),
+ .I2(XLXN_105),
+ .O(XLXN_155));
+ AND2 XLXI_48 (.I0(D_BAR),
+ .I1(C),
+ .O(XLXN_125));
+ AND2 XLXI_49 (.I0(D_BAR),
+ .I1(B_BAR),
+ .O(XLXN_126));
+ AND2 XLXI_50 (.I0(C),
+ .I1(B_BAR),
+ .O(XLXN_113));
+ AND3 XLXI_51 (.I0(C_BAR),
+ .I1(D),
+ .I2(B),
+ .O(XLXN_114));
+ OR4 XLXI_52 (.I0(XLXN_114),
+ .I1(XLXN_113),
+ .I2(XLXN_126),
+ .I3(XLXN_125),
+ .O(XLXN_156));
+ OR2 XLXI_53 (.I0(XLXN_126),
+ .I1(XLXN_125),
+ .O(XLXN_158));
+ AND3 XLXI_54 (.I0(C_BAR),
+ .I1(B),
+ .I2(A_BAR),
+ .O(XLXN_128));
+ AND3 XLXI_55 (.I0(C),
+ .I1(B_BAR),
+ .I2(A),
+ .O(XLXN_129));
+ AND3 XLXI_56 (.I0(D_BAR),
+ .I1(B),
+ .I2(A_BAR),
+ .O(XLXN_130));
+ AND2 XLXI_57 (.I0(D_BAR),
+ .I1(C_BAR),
+ .O(XLXN_131));
+ OR4 XLXI_58 (.I0(XLXN_131),
+ .I1(XLXN_130),
+ .I2(XLXN_129),
+ .I3(XLXN_128),
+ .O(XLXN_160));
+ OR4 XLXI_60 (.I0(XLXN_148),
+ .I1(XLXN_147),
+ .I2(XLXN_146),
+ .I3(XLXN_145),
+ .O(XLXN_162));
+ AND2 XLXI_61 (.I0(C_BAR),
+ .I1(B),
+ .O(XLXN_145));
+ AND2 XLXI_62 (.I0(D_BAR),
+ .I1(C),
+ .O(XLXN_146));
+ AND2 XLXI_63 (.I0(B_BAR),
+ .I1(C),
+ .O(XLXN_147));
+ AND2 XLXI_64 (.I0(D_BAR),
+ .I1(A),
+ .O(XLXN_148));
+ INV XLXI_65 (.I(XLXN_149),
+ .O(a_out));
+ INV XLXI_66 (.I(XLXN_151),
+ .O(b_out));
+ INV XLXI_67 (.I(XLXN_155),
+ .O(c_out));
+ INV XLXI_68 (.I(XLXN_158),
+ .O(e_out));
+ INV XLXI_69 (.I(XLXN_156),
+ .O(d_out));
+ INV XLXI_70 (.I(XLXN_160),
+ .O(f_out));
+ INV XLXI_71 (.I(XLXN_162),
+ .O(g_out));
+ INV XLXI_72 (.I(A_BAR),
+ .O(XLXN_165));
+ INV XLXI_73 (.I(XLXN_165),
+ .O(sign));
+endmodule
+`timescale 1ns / 1ps
+
+module ALUSHOW(A,
+ S,
+ AN0,
+ AN1,
+ AN2,
+ AN3,
+ ao,
+ bo,
+ co,
+ do,
+ eo,
+ fo,
+ go,
+ sign);
+
+ input [3:0] A;
+ input [1:0] S;
+ output AN0;
+ output AN1;
+ output AN2;
+ output AN3;
+ output ao;
+ output bo;
+ output co;
+ output do;
+ output eo;
+ output fo;
+ output go;
+ output sign;
+
+ wire [3:0] ALU_OUT;
+
+ sev_seg_disp_MUSER_ALUSHOW XLXI_2 (.A(ALU_OUT[3]),
+ .B(ALU_OUT[2]),
+ .C(ALU_OUT[1]),
+ .D(ALU_OUT[0]),
+ .AN0(AN0),
+ .AN1(AN1),
+ .AN2(AN2),
+ .AN3(AN3),
+ .a_out(ao),
+ .b_out(bo),
+ .c_out(co),
+ .d_out(do),
+ .e_out(eo),
+ .f_out(fo),
+ .g_out(go),
+ .sign(sign));
+ ALU XLXI_4 (.a(A[3:0]),
+ .s(S[1:0]),
+ .o(ALU_OUT[3:0]));
+endmodule
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