OpenCores
URL https://opencores.org/ocsvn/sudoku/sudoku/trunk

Subversion Repositories sudoku

[/] [sudoku/] [branches/] [zynq/] [rtl/] [sudoku.v] - Blame information for rev 6

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Line No. Rev Author Line
1 6 dsheffie 
module dff(clk,rst,d,q);
2 
   input clk;
3 
   input rst;
4 
   parameter WIDTH = 10;
5 
 
6 
   input [(WIDTH-1):0] d;
7 
   output [(WIDTH-1):0] q;
8 
   reg [(WIDTH-1):0]     r_q;
9 
   assign q = r_q;
10 
 
11 
   always@(posedge clk)
12 
     begin
13 
        if(rst)
14 
          begin
15 
             r_q <= 'd0;
16 
          end
17 
        else
18 
          begin
19 
             r_q <= d;
20 
          end
21 
     end
22 
 
23 
 
24 
endmodule // dff
25 
 
26 
module sudoku(/*AUTOARG*/
27 
   // Outputs
28 
   outGrid, unsolvedCells, timeOut, allDone, anyChanged, anyError,
29 
   minIdx, minPoss,
30 
   // Inputs
31 
   clk, rst, clr, start, inGrid
32 
   );
33 
   input clk;
34 
   input rst;
35 
   input clr;
36 
 
37 
   input start;
38 
 
39 
   input [728:0] inGrid;
40 
   output [728:0] outGrid;
41 
   output [6:0]   unsolvedCells;
42 
   output         timeOut;
43 
   output         allDone;
44 
   output         anyChanged;
45 
   output         anyError;
46 
 
47 
   output [6:0]   minIdx;
48 
   output [3:0]   minPoss;
49 
 
50 
   wire [8:0]      grid2d [80:0];
51 
   wire [8:0]      currGrid [80:0];
52 
   wire [80:0]     done;
53 
   wire [80:0]     changed;
54 
   wire [80:0]     error;
55 
 
56 
   wire [71:0]     rows [80:0];
57 
   wire [71:0]     cols [80:0];
58 
   wire [71:0]     sqrs [80:0];
59 
 
60 
   wire [71:0]     r_rows [80:0];
61 
   wire [71:0]     r_cols [80:0];
62 
   wire [71:0]     r_sqrs [80:0];
63 
 
64 
   //assign allDone = &done;
65 
   //assign anyChanged = |changed;
66 
 
67 
   reg            r_done, r_changed, r_error;
68 
 
69 
   assign allDone = r_done;
70 
   assign anyChanged = r_changed;
71 
   assign anyError = r_error;
72 
 
73 
 
74 
   reg [3:0]       r_cnt;
75 
   assign timeOut = (r_cnt == 4'b0100);
76 
   always@(posedge clk)
77 
     begin
78 
        if(rst)
79 
          begin
80 
             r_cnt <= 4'd0;
81 
          end
82 
        else
83 
          begin
84 
             r_cnt <= start ? 4'd0 : (r_changed ? 4'd0 : r_cnt + 4'd1);
85 
          end
86 
     end // always@ (posedge clk)
87 
 
88 
   minPiece mP0
89 
     (
90 
      .minPoss(minPoss),
91 
      .minIdx(minIdx),
92 
      .clk(clk),
93 
      .rst(rst),
94 
      .inGrid(outGrid)
95 
      );
96 
 
97 
 
98 
   genvar         i;
99 
   generate
100 
      for(i=0;i<81;i=i+1)
101 
        begin: unflatten
102 
           assign grid2d[i] = inGrid[(9*(i+1))-1:9*i];
103 
        end
104 
   endgenerate
105 
 
106 
   generate
107 
      for(i=0;i<81;i=i+1)
108 
        begin: pipeline_wires
109 
           dff#(.WIDTH(72)) pipe_rows
110 
           (.clk(clk),
111 
            .rst(rst),
112 
            .d(rows[i]),
113 
            .q(r_rows[i])
114 
            );
115 
           dff#(.WIDTH(72)) pipe_cols
116 
           (.clk(clk),
117 
            .rst(rst),
118 
            .d(cols[i]),
119 
            .q(r_cols[i])
120 
            );
121 
           dff#(.WIDTH(72)) pipe_sqrs
122 
           (.clk(clk),
123 
            .rst(rst),
124 
            .d(sqrs[i]),
125 
            .q(r_sqrs[i])
126 
            );
127 
        end
128 
   endgenerate
129 
 
130 
   wire [6:0] w_unSolvedCells;
131 
   reg [6:0]  r_unSolvedCells;
132 
   always@(posedge clk)
133 
     begin
134 
        if(rst)
135 
          begin
136 
             r_unSolvedCells <= 7'd81;
137 
          end
138 
        else
139 
          begin
140 
             r_unSolvedCells <= start ? 7'd81 : w_unSolvedCells;
141 
          end
142 
     end // always@ (posedge clk)
143 
   assign unsolvedCells = r_unSolvedCells;
144 
 
145 
   ones_count81 oc0 (.in(~done), .out(w_unSolvedCells));
146 
 
147 
   generate
148 
      for(i=0;i<81;i=i+1)
149 
        begin: pieces
150 
           piece pg (
151 
                  // Outputs
152 
                     .changed                   (changed[i]),
153 
                     .done                      (done[i]),
154 
                     .curr_value                        (currGrid[i]),
155 
                     .error                     (error[i]),
156 
                     // Inputs
157 
                     .clk                               (clk),
158 
                     .rst                               (rst),
159 
                     .clr                               (clr),
160 
                     .start                     (start),
161 
                     .start_value                       (grid2d[i]),
162 
                     .my_row                    (r_rows[i]),
163 
                     .my_col                    (r_cols[i]),
164 
                     .my_square                 (r_sqrs[i])
165 
                  );
166 
        end // block: pieces
167 
    endgenerate
168 
 
169 
   assign cols[0] = {currGrid[9],currGrid[18],currGrid[27],currGrid[36],currGrid[45],currGrid[54],currGrid[63],currGrid[72]};
170 
assign rows[0] = {currGrid[1],currGrid[2],currGrid[3],currGrid[4],currGrid[5],currGrid[6],currGrid[7],currGrid[8]};
171 
assign sqrs[0] = {currGrid[1],currGrid[2],currGrid[9],currGrid[10],currGrid[11],currGrid[18],currGrid[19],currGrid[20]};
172 
assign cols[1] = {currGrid[10],currGrid[19],currGrid[28],currGrid[37],currGrid[46],currGrid[55],currGrid[64],currGrid[73]};
173 
assign rows[1] = {currGrid[0],currGrid[2],currGrid[3],currGrid[4],currGrid[5],currGrid[6],currGrid[7],currGrid[8]};
174 
assign sqrs[1] = {currGrid[0],currGrid[2],currGrid[9],currGrid[10],currGrid[11],currGrid[18],currGrid[19],currGrid[20]};
175 
assign cols[2] = {currGrid[11],currGrid[20],currGrid[29],currGrid[38],currGrid[47],currGrid[56],currGrid[65],currGrid[74]};
176 
assign rows[2] = {currGrid[0],currGrid[1],currGrid[3],currGrid[4],currGrid[5],currGrid[6],currGrid[7],currGrid[8]};
177 
assign sqrs[2] = {currGrid[0],currGrid[1],currGrid[9],currGrid[10],currGrid[11],currGrid[18],currGrid[19],currGrid[20]};
178 
assign cols[3] = {currGrid[12],currGrid[21],currGrid[30],currGrid[39],currGrid[48],currGrid[57],currGrid[66],currGrid[75]};
179 
assign rows[3] = {currGrid[0],currGrid[1],currGrid[2],currGrid[4],currGrid[5],currGrid[6],currGrid[7],currGrid[8]};
180 
assign sqrs[3] = {currGrid[4],currGrid[5],currGrid[12],currGrid[13],currGrid[14],currGrid[21],currGrid[22],currGrid[23]};
181 
assign cols[4] = {currGrid[13],currGrid[22],currGrid[31],currGrid[40],currGrid[49],currGrid[58],currGrid[67],currGrid[76]};
182 
assign rows[4] = {currGrid[0],currGrid[1],currGrid[2],currGrid[3],currGrid[5],currGrid[6],currGrid[7],currGrid[8]};
183 
assign sqrs[4] = {currGrid[3],currGrid[5],currGrid[12],currGrid[13],currGrid[14],currGrid[21],currGrid[22],currGrid[23]};
184 
assign cols[5] = {currGrid[14],currGrid[23],currGrid[32],currGrid[41],currGrid[50],currGrid[59],currGrid[68],currGrid[77]};
185 
assign rows[5] = {currGrid[0],currGrid[1],currGrid[2],currGrid[3],currGrid[4],currGrid[6],currGrid[7],currGrid[8]};
186 
assign sqrs[5] = {currGrid[3],currGrid[4],currGrid[12],currGrid[13],currGrid[14],currGrid[21],currGrid[22],currGrid[23]};
187 
assign cols[6] = {currGrid[15],currGrid[24],currGrid[33],currGrid[42],currGrid[51],currGrid[60],currGrid[69],currGrid[78]};
188 
assign rows[6] = {currGrid[0],currGrid[1],currGrid[2],currGrid[3],currGrid[4],currGrid[5],currGrid[7],currGrid[8]};
189 
assign sqrs[6] = {currGrid[7],currGrid[8],currGrid[15],currGrid[16],currGrid[17],currGrid[24],currGrid[25],currGrid[26]};
190 
assign cols[7] = {currGrid[16],currGrid[25],currGrid[34],currGrid[43],currGrid[52],currGrid[61],currGrid[70],currGrid[79]};
191 
assign rows[7] = {currGrid[0],currGrid[1],currGrid[2],currGrid[3],currGrid[4],currGrid[5],currGrid[6],currGrid[8]};
192 
assign sqrs[7] = {currGrid[6],currGrid[8],currGrid[15],currGrid[16],currGrid[17],currGrid[24],currGrid[25],currGrid[26]};
193 
assign cols[8] = {currGrid[17],currGrid[26],currGrid[35],currGrid[44],currGrid[53],currGrid[62],currGrid[71],currGrid[80]};
194 
assign rows[8] = {currGrid[0],currGrid[1],currGrid[2],currGrid[3],currGrid[4],currGrid[5],currGrid[6],currGrid[7]};
195 
assign sqrs[8] = {currGrid[6],currGrid[7],currGrid[15],currGrid[16],currGrid[17],currGrid[24],currGrid[25],currGrid[26]};
196 
assign cols[9] = {currGrid[0],currGrid[18],currGrid[27],currGrid[36],currGrid[45],currGrid[54],currGrid[63],currGrid[72]};
197 
assign rows[9] = {currGrid[10],currGrid[11],currGrid[12],currGrid[13],currGrid[14],currGrid[15],currGrid[16],currGrid[17]};
198 
assign sqrs[9] = {currGrid[0],currGrid[1],currGrid[2],currGrid[10],currGrid[11],currGrid[18],currGrid[19],currGrid[20]};
199 
assign cols[10] = {currGrid[1],currGrid[19],currGrid[28],currGrid[37],currGrid[46],currGrid[55],currGrid[64],currGrid[73]};
200 
assign rows[10] = {currGrid[9],currGrid[11],currGrid[12],currGrid[13],currGrid[14],currGrid[15],currGrid[16],currGrid[17]};
201 
assign sqrs[10] = {currGrid[0],currGrid[1],currGrid[2],currGrid[9],currGrid[11],currGrid[18],currGrid[19],currGrid[20]};
202 
assign cols[11] = {currGrid[2],currGrid[20],currGrid[29],currGrid[38],currGrid[47],currGrid[56],currGrid[65],currGrid[74]};
203 
assign rows[11] = {currGrid[9],currGrid[10],currGrid[12],currGrid[13],currGrid[14],currGrid[15],currGrid[16],currGrid[17]};
204 
assign sqrs[11] = {currGrid[0],currGrid[1],currGrid[2],currGrid[9],currGrid[10],currGrid[18],currGrid[19],currGrid[20]};
205 
assign cols[12] = {currGrid[3],currGrid[21],currGrid[30],currGrid[39],currGrid[48],currGrid[57],currGrid[66],currGrid[75]};
206 
assign rows[12] = {currGrid[9],currGrid[10],currGrid[11],currGrid[13],currGrid[14],currGrid[15],currGrid[16],currGrid[17]};
207 
assign sqrs[12] = {currGrid[3],currGrid[4],currGrid[5],currGrid[13],currGrid[14],currGrid[21],currGrid[22],currGrid[23]};
208 
assign cols[13] = {currGrid[4],currGrid[22],currGrid[31],currGrid[40],currGrid[49],currGrid[58],currGrid[67],currGrid[76]};
209 
assign rows[13] = {currGrid[9],currGrid[10],currGrid[11],currGrid[12],currGrid[14],currGrid[15],currGrid[16],currGrid[17]};
210 
assign sqrs[13] = {currGrid[3],currGrid[4],currGrid[5],currGrid[12],currGrid[14],currGrid[21],currGrid[22],currGrid[23]};
211 
assign cols[14] = {currGrid[5],currGrid[23],currGrid[32],currGrid[41],currGrid[50],currGrid[59],currGrid[68],currGrid[77]};
212 
assign rows[14] = {currGrid[9],currGrid[10],currGrid[11],currGrid[12],currGrid[13],currGrid[15],currGrid[16],currGrid[17]};
213 
assign sqrs[14] = {currGrid[3],currGrid[4],currGrid[5],currGrid[12],currGrid[13],currGrid[21],currGrid[22],currGrid[23]};
214 
assign cols[15] = {currGrid[6],currGrid[24],currGrid[33],currGrid[42],currGrid[51],currGrid[60],currGrid[69],currGrid[78]};
215 
assign rows[15] = {currGrid[9],currGrid[10],currGrid[11],currGrid[12],currGrid[13],currGrid[14],currGrid[16],currGrid[17]};
216 
assign sqrs[15] = {currGrid[6],currGrid[7],currGrid[8],currGrid[16],currGrid[17],currGrid[24],currGrid[25],currGrid[26]};
217 
assign cols[16] = {currGrid[7],currGrid[25],currGrid[34],currGrid[43],currGrid[52],currGrid[61],currGrid[70],currGrid[79]};
218 
assign rows[16] = {currGrid[9],currGrid[10],currGrid[11],currGrid[12],currGrid[13],currGrid[14],currGrid[15],currGrid[17]};
219 
assign sqrs[16] = {currGrid[6],currGrid[7],currGrid[8],currGrid[15],currGrid[17],currGrid[24],currGrid[25],currGrid[26]};
220 
assign cols[17] = {currGrid[8],currGrid[26],currGrid[35],currGrid[44],currGrid[53],currGrid[62],currGrid[71],currGrid[80]};
221 
assign rows[17] = {currGrid[9],currGrid[10],currGrid[11],currGrid[12],currGrid[13],currGrid[14],currGrid[15],currGrid[16]};
222 
assign sqrs[17] = {currGrid[6],currGrid[7],currGrid[8],currGrid[15],currGrid[16],currGrid[24],currGrid[25],currGrid[26]};
223 
assign cols[18] = {currGrid[0],currGrid[9],currGrid[27],currGrid[36],currGrid[45],currGrid[54],currGrid[63],currGrid[72]};
224 
assign rows[18] = {currGrid[19],currGrid[20],currGrid[21],currGrid[22],currGrid[23],currGrid[24],currGrid[25],currGrid[26]};
225 
assign sqrs[18] = {currGrid[0],currGrid[1],currGrid[2],currGrid[9],currGrid[10],currGrid[11],currGrid[19],currGrid[20]};
226 
assign cols[19] = {currGrid[1],currGrid[10],currGrid[28],currGrid[37],currGrid[46],currGrid[55],currGrid[64],currGrid[73]};
227 
assign rows[19] = {currGrid[18],currGrid[20],currGrid[21],currGrid[22],currGrid[23],currGrid[24],currGrid[25],currGrid[26]};
228 
assign sqrs[19] = {currGrid[0],currGrid[1],currGrid[2],currGrid[9],currGrid[10],currGrid[11],currGrid[18],currGrid[20]};
229 
assign cols[20] = {currGrid[2],currGrid[11],currGrid[29],currGrid[38],currGrid[47],currGrid[56],currGrid[65],currGrid[74]};
230 
assign rows[20] = {currGrid[18],currGrid[19],currGrid[21],currGrid[22],currGrid[23],currGrid[24],currGrid[25],currGrid[26]};
231 
assign sqrs[20] = {currGrid[0],currGrid[1],currGrid[2],currGrid[9],currGrid[10],currGrid[11],currGrid[18],currGrid[19]};
232 
assign cols[21] = {currGrid[3],currGrid[12],currGrid[30],currGrid[39],currGrid[48],currGrid[57],currGrid[66],currGrid[75]};
233 
assign rows[21] = {currGrid[18],currGrid[19],currGrid[20],currGrid[22],currGrid[23],currGrid[24],currGrid[25],currGrid[26]};
234 
assign sqrs[21] = {currGrid[3],currGrid[4],currGrid[5],currGrid[12],currGrid[13],currGrid[14],currGrid[22],currGrid[23]};
235 
assign cols[22] = {currGrid[4],currGrid[13],currGrid[31],currGrid[40],currGrid[49],currGrid[58],currGrid[67],currGrid[76]};
236 
assign rows[22] = {currGrid[18],currGrid[19],currGrid[20],currGrid[21],currGrid[23],currGrid[24],currGrid[25],currGrid[26]};
237 
assign sqrs[22] = {currGrid[3],currGrid[4],currGrid[5],currGrid[12],currGrid[13],currGrid[14],currGrid[21],currGrid[23]};
238 
assign cols[23] = {currGrid[5],currGrid[14],currGrid[32],currGrid[41],currGrid[50],currGrid[59],currGrid[68],currGrid[77]};
239 
assign rows[23] = {currGrid[18],currGrid[19],currGrid[20],currGrid[21],currGrid[22],currGrid[24],currGrid[25],currGrid[26]};
240 
assign sqrs[23] = {currGrid[3],currGrid[4],currGrid[5],currGrid[12],currGrid[13],currGrid[14],currGrid[21],currGrid[22]};
241 
assign cols[24] = {currGrid[6],currGrid[15],currGrid[33],currGrid[42],currGrid[51],currGrid[60],currGrid[69],currGrid[78]};
242 
assign rows[24] = {currGrid[18],currGrid[19],currGrid[20],currGrid[21],currGrid[22],currGrid[23],currGrid[25],currGrid[26]};
243 
assign sqrs[24] = {currGrid[6],currGrid[7],currGrid[8],currGrid[15],currGrid[16],currGrid[17],currGrid[25],currGrid[26]};
244 
assign cols[25] = {currGrid[7],currGrid[16],currGrid[34],currGrid[43],currGrid[52],currGrid[61],currGrid[70],currGrid[79]};
245 
assign rows[25] = {currGrid[18],currGrid[19],currGrid[20],currGrid[21],currGrid[22],currGrid[23],currGrid[24],currGrid[26]};
246 
assign sqrs[25] = {currGrid[6],currGrid[7],currGrid[8],currGrid[15],currGrid[16],currGrid[17],currGrid[24],currGrid[26]};
247 
assign cols[26] = {currGrid[8],currGrid[17],currGrid[35],currGrid[44],currGrid[53],currGrid[62],currGrid[71],currGrid[80]};
248 
assign rows[26] = {currGrid[18],currGrid[19],currGrid[20],currGrid[21],currGrid[22],currGrid[23],currGrid[24],currGrid[25]};
249 
assign sqrs[26] = {currGrid[6],currGrid[7],currGrid[8],currGrid[15],currGrid[16],currGrid[17],currGrid[24],currGrid[25]};
250 
assign cols[27] = {currGrid[0],currGrid[9],currGrid[18],currGrid[36],currGrid[45],currGrid[54],currGrid[63],currGrid[72]};
251 
assign rows[27] = {currGrid[28],currGrid[29],currGrid[30],currGrid[31],currGrid[32],currGrid[33],currGrid[34],currGrid[35]};
252 
assign sqrs[27] = {currGrid[28],currGrid[29],currGrid[36],currGrid[37],currGrid[38],currGrid[45],currGrid[46],currGrid[47]};
253 
assign cols[28] = {currGrid[1],currGrid[10],currGrid[19],currGrid[37],currGrid[46],currGrid[55],currGrid[64],currGrid[73]};
254 
assign rows[28] = {currGrid[27],currGrid[29],currGrid[30],currGrid[31],currGrid[32],currGrid[33],currGrid[34],currGrid[35]};
255 
assign sqrs[28] = {currGrid[27],currGrid[29],currGrid[36],currGrid[37],currGrid[38],currGrid[45],currGrid[46],currGrid[47]};
256 
assign cols[29] = {currGrid[2],currGrid[11],currGrid[20],currGrid[38],currGrid[47],currGrid[56],currGrid[65],currGrid[74]};
257 
assign rows[29] = {currGrid[27],currGrid[28],currGrid[30],currGrid[31],currGrid[32],currGrid[33],currGrid[34],currGrid[35]};
258 
assign sqrs[29] = {currGrid[27],currGrid[28],currGrid[36],currGrid[37],currGrid[38],currGrid[45],currGrid[46],currGrid[47]};
259 
assign cols[30] = {currGrid[3],currGrid[12],currGrid[21],currGrid[39],currGrid[48],currGrid[57],currGrid[66],currGrid[75]};
260 
assign rows[30] = {currGrid[27],currGrid[28],currGrid[29],currGrid[31],currGrid[32],currGrid[33],currGrid[34],currGrid[35]};
261 
assign sqrs[30] = {currGrid[31],currGrid[32],currGrid[39],currGrid[40],currGrid[41],currGrid[48],currGrid[49],currGrid[50]};
262 
assign cols[31] = {currGrid[4],currGrid[13],currGrid[22],currGrid[40],currGrid[49],currGrid[58],currGrid[67],currGrid[76]};
263 
assign rows[31] = {currGrid[27],currGrid[28],currGrid[29],currGrid[30],currGrid[32],currGrid[33],currGrid[34],currGrid[35]};
264 
assign sqrs[31] = {currGrid[30],currGrid[32],currGrid[39],currGrid[40],currGrid[41],currGrid[48],currGrid[49],currGrid[50]};
265 
assign cols[32] = {currGrid[5],currGrid[14],currGrid[23],currGrid[41],currGrid[50],currGrid[59],currGrid[68],currGrid[77]};
266 
assign rows[32] = {currGrid[27],currGrid[28],currGrid[29],currGrid[30],currGrid[31],currGrid[33],currGrid[34],currGrid[35]};
267 
assign sqrs[32] = {currGrid[30],currGrid[31],currGrid[39],currGrid[40],currGrid[41],currGrid[48],currGrid[49],currGrid[50]};
268 
assign cols[33] = {currGrid[6],currGrid[15],currGrid[24],currGrid[42],currGrid[51],currGrid[60],currGrid[69],currGrid[78]};
269 
assign rows[33] = {currGrid[27],currGrid[28],currGrid[29],currGrid[30],currGrid[31],currGrid[32],currGrid[34],currGrid[35]};
270 
assign sqrs[33] = {currGrid[34],currGrid[35],currGrid[42],currGrid[43],currGrid[44],currGrid[51],currGrid[52],currGrid[53]};
271 
assign cols[34] = {currGrid[7],currGrid[16],currGrid[25],currGrid[43],currGrid[52],currGrid[61],currGrid[70],currGrid[79]};
272 
assign rows[34] = {currGrid[27],currGrid[28],currGrid[29],currGrid[30],currGrid[31],currGrid[32],currGrid[33],currGrid[35]};
273 
assign sqrs[34] = {currGrid[33],currGrid[35],currGrid[42],currGrid[43],currGrid[44],currGrid[51],currGrid[52],currGrid[53]};
274 
assign cols[35] = {currGrid[8],currGrid[17],currGrid[26],currGrid[44],currGrid[53],currGrid[62],currGrid[71],currGrid[80]};
275 
assign rows[35] = {currGrid[27],currGrid[28],currGrid[29],currGrid[30],currGrid[31],currGrid[32],currGrid[33],currGrid[34]};
276 
assign sqrs[35] = {currGrid[33],currGrid[34],currGrid[42],currGrid[43],currGrid[44],currGrid[51],currGrid[52],currGrid[53]};
277 
assign cols[36] = {currGrid[0],currGrid[9],currGrid[18],currGrid[27],currGrid[45],currGrid[54],currGrid[63],currGrid[72]};
278 
assign rows[36] = {currGrid[37],currGrid[38],currGrid[39],currGrid[40],currGrid[41],currGrid[42],currGrid[43],currGrid[44]};
279 
assign sqrs[36] = {currGrid[27],currGrid[28],currGrid[29],currGrid[37],currGrid[38],currGrid[45],currGrid[46],currGrid[47]};
280 
assign cols[37] = {currGrid[1],currGrid[10],currGrid[19],currGrid[28],currGrid[46],currGrid[55],currGrid[64],currGrid[73]};
281 
assign rows[37] = {currGrid[36],currGrid[38],currGrid[39],currGrid[40],currGrid[41],currGrid[42],currGrid[43],currGrid[44]};
282 
assign sqrs[37] = {currGrid[27],currGrid[28],currGrid[29],currGrid[36],currGrid[38],currGrid[45],currGrid[46],currGrid[47]};
283 
assign cols[38] = {currGrid[2],currGrid[11],currGrid[20],currGrid[29],currGrid[47],currGrid[56],currGrid[65],currGrid[74]};
284 
assign rows[38] = {currGrid[36],currGrid[37],currGrid[39],currGrid[40],currGrid[41],currGrid[42],currGrid[43],currGrid[44]};
285 
assign sqrs[38] = {currGrid[27],currGrid[28],currGrid[29],currGrid[36],currGrid[37],currGrid[45],currGrid[46],currGrid[47]};
286 
assign cols[39] = {currGrid[3],currGrid[12],currGrid[21],currGrid[30],currGrid[48],currGrid[57],currGrid[66],currGrid[75]};
287 
assign rows[39] = {currGrid[36],currGrid[37],currGrid[38],currGrid[40],currGrid[41],currGrid[42],currGrid[43],currGrid[44]};
288 
assign sqrs[39] = {currGrid[30],currGrid[31],currGrid[32],currGrid[40],currGrid[41],currGrid[48],currGrid[49],currGrid[50]};
289 
assign cols[40] = {currGrid[4],currGrid[13],currGrid[22],currGrid[31],currGrid[49],currGrid[58],currGrid[67],currGrid[76]};
290 
assign rows[40] = {currGrid[36],currGrid[37],currGrid[38],currGrid[39],currGrid[41],currGrid[42],currGrid[43],currGrid[44]};
291 
assign sqrs[40] = {currGrid[30],currGrid[31],currGrid[32],currGrid[39],currGrid[41],currGrid[48],currGrid[49],currGrid[50]};
292 
assign cols[41] = {currGrid[5],currGrid[14],currGrid[23],currGrid[32],currGrid[50],currGrid[59],currGrid[68],currGrid[77]};
293 
assign rows[41] = {currGrid[36],currGrid[37],currGrid[38],currGrid[39],currGrid[40],currGrid[42],currGrid[43],currGrid[44]};
294 
assign sqrs[41] = {currGrid[30],currGrid[31],currGrid[32],currGrid[39],currGrid[40],currGrid[48],currGrid[49],currGrid[50]};
295 
assign cols[42] = {currGrid[6],currGrid[15],currGrid[24],currGrid[33],currGrid[51],currGrid[60],currGrid[69],currGrid[78]};
296 
assign rows[42] = {currGrid[36],currGrid[37],currGrid[38],currGrid[39],currGrid[40],currGrid[41],currGrid[43],currGrid[44]};
297 
assign sqrs[42] = {currGrid[33],currGrid[34],currGrid[35],currGrid[43],currGrid[44],currGrid[51],currGrid[52],currGrid[53]};
298 
assign cols[43] = {currGrid[7],currGrid[16],currGrid[25],currGrid[34],currGrid[52],currGrid[61],currGrid[70],currGrid[79]};
299 
assign rows[43] = {currGrid[36],currGrid[37],currGrid[38],currGrid[39],currGrid[40],currGrid[41],currGrid[42],currGrid[44]};
300 
assign sqrs[43] = {currGrid[33],currGrid[34],currGrid[35],currGrid[42],currGrid[44],currGrid[51],currGrid[52],currGrid[53]};
301 
assign cols[44] = {currGrid[8],currGrid[17],currGrid[26],currGrid[35],currGrid[53],currGrid[62],currGrid[71],currGrid[80]};
302 
assign rows[44] = {currGrid[36],currGrid[37],currGrid[38],currGrid[39],currGrid[40],currGrid[41],currGrid[42],currGrid[43]};
303 
assign sqrs[44] = {currGrid[33],currGrid[34],currGrid[35],currGrid[42],currGrid[43],currGrid[51],currGrid[52],currGrid[53]};
304 
assign cols[45] = {currGrid[0],currGrid[9],currGrid[18],currGrid[27],currGrid[36],currGrid[54],currGrid[63],currGrid[72]};
305 
assign rows[45] = {currGrid[46],currGrid[47],currGrid[48],currGrid[49],currGrid[50],currGrid[51],currGrid[52],currGrid[53]};
306 
assign sqrs[45] = {currGrid[27],currGrid[28],currGrid[29],currGrid[36],currGrid[37],currGrid[38],currGrid[46],currGrid[47]};
307 
assign cols[46] = {currGrid[1],currGrid[10],currGrid[19],currGrid[28],currGrid[37],currGrid[55],currGrid[64],currGrid[73]};
308 
assign rows[46] = {currGrid[45],currGrid[47],currGrid[48],currGrid[49],currGrid[50],currGrid[51],currGrid[52],currGrid[53]};
309 
assign sqrs[46] = {currGrid[27],currGrid[28],currGrid[29],currGrid[36],currGrid[37],currGrid[38],currGrid[45],currGrid[47]};
310 
assign cols[47] = {currGrid[2],currGrid[11],currGrid[20],currGrid[29],currGrid[38],currGrid[56],currGrid[65],currGrid[74]};
311 
assign rows[47] = {currGrid[45],currGrid[46],currGrid[48],currGrid[49],currGrid[50],currGrid[51],currGrid[52],currGrid[53]};
312 
assign sqrs[47] = {currGrid[27],currGrid[28],currGrid[29],currGrid[36],currGrid[37],currGrid[38],currGrid[45],currGrid[46]};
313 
assign cols[48] = {currGrid[3],currGrid[12],currGrid[21],currGrid[30],currGrid[39],currGrid[57],currGrid[66],currGrid[75]};
314 
assign rows[48] = {currGrid[45],currGrid[46],currGrid[47],currGrid[49],currGrid[50],currGrid[51],currGrid[52],currGrid[53]};
315 
assign sqrs[48] = {currGrid[30],currGrid[31],currGrid[32],currGrid[39],currGrid[40],currGrid[41],currGrid[49],currGrid[50]};
316 
assign cols[49] = {currGrid[4],currGrid[13],currGrid[22],currGrid[31],currGrid[40],currGrid[58],currGrid[67],currGrid[76]};
317 
assign rows[49] = {currGrid[45],currGrid[46],currGrid[47],currGrid[48],currGrid[50],currGrid[51],currGrid[52],currGrid[53]};
318 
assign sqrs[49] = {currGrid[30],currGrid[31],currGrid[32],currGrid[39],currGrid[40],currGrid[41],currGrid[48],currGrid[50]};
319 
assign cols[50] = {currGrid[5],currGrid[14],currGrid[23],currGrid[32],currGrid[41],currGrid[59],currGrid[68],currGrid[77]};
320 
assign rows[50] = {currGrid[45],currGrid[46],currGrid[47],currGrid[48],currGrid[49],currGrid[51],currGrid[52],currGrid[53]};
321 
assign sqrs[50] = {currGrid[30],currGrid[31],currGrid[32],currGrid[39],currGrid[40],currGrid[41],currGrid[48],currGrid[49]};
322 
assign cols[51] = {currGrid[6],currGrid[15],currGrid[24],currGrid[33],currGrid[42],currGrid[60],currGrid[69],currGrid[78]};
323 
assign rows[51] = {currGrid[45],currGrid[46],currGrid[47],currGrid[48],currGrid[49],currGrid[50],currGrid[52],currGrid[53]};
324 
assign sqrs[51] = {currGrid[33],currGrid[34],currGrid[35],currGrid[42],currGrid[43],currGrid[44],currGrid[52],currGrid[53]};
325 
assign cols[52] = {currGrid[7],currGrid[16],currGrid[25],currGrid[34],currGrid[43],currGrid[61],currGrid[70],currGrid[79]};
326 
assign rows[52] = {currGrid[45],currGrid[46],currGrid[47],currGrid[48],currGrid[49],currGrid[50],currGrid[51],currGrid[53]};
327 
assign sqrs[52] = {currGrid[33],currGrid[34],currGrid[35],currGrid[42],currGrid[43],currGrid[44],currGrid[51],currGrid[53]};
328 
assign cols[53] = {currGrid[8],currGrid[17],currGrid[26],currGrid[35],currGrid[44],currGrid[62],currGrid[71],currGrid[80]};
329 
assign rows[53] = {currGrid[45],currGrid[46],currGrid[47],currGrid[48],currGrid[49],currGrid[50],currGrid[51],currGrid[52]};
330 
assign sqrs[53] = {currGrid[33],currGrid[34],currGrid[35],currGrid[42],currGrid[43],currGrid[44],currGrid[51],currGrid[52]};
331 
assign cols[54] = {currGrid[0],currGrid[9],currGrid[18],currGrid[27],currGrid[36],currGrid[45],currGrid[63],currGrid[72]};
332 
assign rows[54] = {currGrid[55],currGrid[56],currGrid[57],currGrid[58],currGrid[59],currGrid[60],currGrid[61],currGrid[62]};
333 
assign sqrs[54] = {currGrid[55],currGrid[56],currGrid[63],currGrid[64],currGrid[65],currGrid[72],currGrid[73],currGrid[74]};
334 
assign cols[55] = {currGrid[1],currGrid[10],currGrid[19],currGrid[28],currGrid[37],currGrid[46],currGrid[64],currGrid[73]};
335 
assign rows[55] = {currGrid[54],currGrid[56],currGrid[57],currGrid[58],currGrid[59],currGrid[60],currGrid[61],currGrid[62]};
336 
assign sqrs[55] = {currGrid[54],currGrid[56],currGrid[63],currGrid[64],currGrid[65],currGrid[72],currGrid[73],currGrid[74]};
337 
assign cols[56] = {currGrid[2],currGrid[11],currGrid[20],currGrid[29],currGrid[38],currGrid[47],currGrid[65],currGrid[74]};
338 
assign rows[56] = {currGrid[54],currGrid[55],currGrid[57],currGrid[58],currGrid[59],currGrid[60],currGrid[61],currGrid[62]};
339 
assign sqrs[56] = {currGrid[54],currGrid[55],currGrid[63],currGrid[64],currGrid[65],currGrid[72],currGrid[73],currGrid[74]};
340 
assign cols[57] = {currGrid[3],currGrid[12],currGrid[21],currGrid[30],currGrid[39],currGrid[48],currGrid[66],currGrid[75]};
341 
assign rows[57] = {currGrid[54],currGrid[55],currGrid[56],currGrid[58],currGrid[59],currGrid[60],currGrid[61],currGrid[62]};
342 
assign sqrs[57] = {currGrid[58],currGrid[59],currGrid[66],currGrid[67],currGrid[68],currGrid[75],currGrid[76],currGrid[77]};
343 
assign cols[58] = {currGrid[4],currGrid[13],currGrid[22],currGrid[31],currGrid[40],currGrid[49],currGrid[67],currGrid[76]};
344 
assign rows[58] = {currGrid[54],currGrid[55],currGrid[56],currGrid[57],currGrid[59],currGrid[60],currGrid[61],currGrid[62]};
345 
assign sqrs[58] = {currGrid[57],currGrid[59],currGrid[66],currGrid[67],currGrid[68],currGrid[75],currGrid[76],currGrid[77]};
346 
assign cols[59] = {currGrid[5],currGrid[14],currGrid[23],currGrid[32],currGrid[41],currGrid[50],currGrid[68],currGrid[77]};
347 
assign rows[59] = {currGrid[54],currGrid[55],currGrid[56],currGrid[57],currGrid[58],currGrid[60],currGrid[61],currGrid[62]};
348 
assign sqrs[59] = {currGrid[57],currGrid[58],currGrid[66],currGrid[67],currGrid[68],currGrid[75],currGrid[76],currGrid[77]};
349 
assign cols[60] = {currGrid[6],currGrid[15],currGrid[24],currGrid[33],currGrid[42],currGrid[51],currGrid[69],currGrid[78]};
350 
assign rows[60] = {currGrid[54],currGrid[55],currGrid[56],currGrid[57],currGrid[58],currGrid[59],currGrid[61],currGrid[62]};
351 
assign sqrs[60] = {currGrid[61],currGrid[62],currGrid[69],currGrid[70],currGrid[71],currGrid[78],currGrid[79],currGrid[80]};
352 
assign cols[61] = {currGrid[7],currGrid[16],currGrid[25],currGrid[34],currGrid[43],currGrid[52],currGrid[70],currGrid[79]};
353 
assign rows[61] = {currGrid[54],currGrid[55],currGrid[56],currGrid[57],currGrid[58],currGrid[59],currGrid[60],currGrid[62]};
354 
assign sqrs[61] = {currGrid[60],currGrid[62],currGrid[69],currGrid[70],currGrid[71],currGrid[78],currGrid[79],currGrid[80]};
355 
assign cols[62] = {currGrid[8],currGrid[17],currGrid[26],currGrid[35],currGrid[44],currGrid[53],currGrid[71],currGrid[80]};
356 
assign rows[62] = {currGrid[54],currGrid[55],currGrid[56],currGrid[57],currGrid[58],currGrid[59],currGrid[60],currGrid[61]};
357 
assign sqrs[62] = {currGrid[60],currGrid[61],currGrid[69],currGrid[70],currGrid[71],currGrid[78],currGrid[79],currGrid[80]};
358 
assign cols[63] = {currGrid[0],currGrid[9],currGrid[18],currGrid[27],currGrid[36],currGrid[45],currGrid[54],currGrid[72]};
359 
assign rows[63] = {currGrid[64],currGrid[65],currGrid[66],currGrid[67],currGrid[68],currGrid[69],currGrid[70],currGrid[71]};
360 
assign sqrs[63] = {currGrid[54],currGrid[55],currGrid[56],currGrid[64],currGrid[65],currGrid[72],currGrid[73],currGrid[74]};
361 
assign cols[64] = {currGrid[1],currGrid[10],currGrid[19],currGrid[28],currGrid[37],currGrid[46],currGrid[55],currGrid[73]};
362 
assign rows[64] = {currGrid[63],currGrid[65],currGrid[66],currGrid[67],currGrid[68],currGrid[69],currGrid[70],currGrid[71]};
363 
assign sqrs[64] = {currGrid[54],currGrid[55],currGrid[56],currGrid[63],currGrid[65],currGrid[72],currGrid[73],currGrid[74]};
364 
assign cols[65] = {currGrid[2],currGrid[11],currGrid[20],currGrid[29],currGrid[38],currGrid[47],currGrid[56],currGrid[74]};
365 
assign rows[65] = {currGrid[63],currGrid[64],currGrid[66],currGrid[67],currGrid[68],currGrid[69],currGrid[70],currGrid[71]};
366 
assign sqrs[65] = {currGrid[54],currGrid[55],currGrid[56],currGrid[63],currGrid[64],currGrid[72],currGrid[73],currGrid[74]};
367 
assign cols[66] = {currGrid[3],currGrid[12],currGrid[21],currGrid[30],currGrid[39],currGrid[48],currGrid[57],currGrid[75]};
368 
assign rows[66] = {currGrid[63],currGrid[64],currGrid[65],currGrid[67],currGrid[68],currGrid[69],currGrid[70],currGrid[71]};
369 
assign sqrs[66] = {currGrid[57],currGrid[58],currGrid[59],currGrid[67],currGrid[68],currGrid[75],currGrid[76],currGrid[77]};
370 
assign cols[67] = {currGrid[4],currGrid[13],currGrid[22],currGrid[31],currGrid[40],currGrid[49],currGrid[58],currGrid[76]};
371 
assign rows[67] = {currGrid[63],currGrid[64],currGrid[65],currGrid[66],currGrid[68],currGrid[69],currGrid[70],currGrid[71]};
372 
assign sqrs[67] = {currGrid[57],currGrid[58],currGrid[59],currGrid[66],currGrid[68],currGrid[75],currGrid[76],currGrid[77]};
373 
assign cols[68] = {currGrid[5],currGrid[14],currGrid[23],currGrid[32],currGrid[41],currGrid[50],currGrid[59],currGrid[77]};
374 
assign rows[68] = {currGrid[63],currGrid[64],currGrid[65],currGrid[66],currGrid[67],currGrid[69],currGrid[70],currGrid[71]};
375 
assign sqrs[68] = {currGrid[57],currGrid[58],currGrid[59],currGrid[66],currGrid[67],currGrid[75],currGrid[76],currGrid[77]};
376 
assign cols[69] = {currGrid[6],currGrid[15],currGrid[24],currGrid[33],currGrid[42],currGrid[51],currGrid[60],currGrid[78]};
377 
assign rows[69] = {currGrid[63],currGrid[64],currGrid[65],currGrid[66],currGrid[67],currGrid[68],currGrid[70],currGrid[71]};
378 
assign sqrs[69] = {currGrid[60],currGrid[61],currGrid[62],currGrid[70],currGrid[71],currGrid[78],currGrid[79],currGrid[80]};
379 
assign cols[70] = {currGrid[7],currGrid[16],currGrid[25],currGrid[34],currGrid[43],currGrid[52],currGrid[61],currGrid[79]};
380 
assign rows[70] = {currGrid[63],currGrid[64],currGrid[65],currGrid[66],currGrid[67],currGrid[68],currGrid[69],currGrid[71]};
381 
assign sqrs[70] = {currGrid[60],currGrid[61],currGrid[62],currGrid[69],currGrid[71],currGrid[78],currGrid[79],currGrid[80]};
382 
assign cols[71] = {currGrid[8],currGrid[17],currGrid[26],currGrid[35],currGrid[44],currGrid[53],currGrid[62],currGrid[80]};
383 
assign rows[71] = {currGrid[63],currGrid[64],currGrid[65],currGrid[66],currGrid[67],currGrid[68],currGrid[69],currGrid[70]};
384 
assign sqrs[71] = {currGrid[60],currGrid[61],currGrid[62],currGrid[69],currGrid[70],currGrid[78],currGrid[79],currGrid[80]};
385 
assign cols[72] = {currGrid[0],currGrid[9],currGrid[18],currGrid[27],currGrid[36],currGrid[45],currGrid[54],currGrid[63]};
386 
assign rows[72] = {currGrid[73],currGrid[74],currGrid[75],currGrid[76],currGrid[77],currGrid[78],currGrid[79],currGrid[80]};
387 
assign sqrs[72] = {currGrid[54],currGrid[55],currGrid[56],currGrid[63],currGrid[64],currGrid[65],currGrid[73],currGrid[74]};
388 
assign cols[73] = {currGrid[1],currGrid[10],currGrid[19],currGrid[28],currGrid[37],currGrid[46],currGrid[55],currGrid[64]};
389 
assign rows[73] = {currGrid[72],currGrid[74],currGrid[75],currGrid[76],currGrid[77],currGrid[78],currGrid[79],currGrid[80]};
390 
assign sqrs[73] = {currGrid[54],currGrid[55],currGrid[56],currGrid[63],currGrid[64],currGrid[65],currGrid[72],currGrid[74]};
391 
assign cols[74] = {currGrid[2],currGrid[11],currGrid[20],currGrid[29],currGrid[38],currGrid[47],currGrid[56],currGrid[65]};
392 
assign rows[74] = {currGrid[72],currGrid[73],currGrid[75],currGrid[76],currGrid[77],currGrid[78],currGrid[79],currGrid[80]};
393 
assign sqrs[74] = {currGrid[54],currGrid[55],currGrid[56],currGrid[63],currGrid[64],currGrid[65],currGrid[72],currGrid[73]};
394 
assign cols[75] = {currGrid[3],currGrid[12],currGrid[21],currGrid[30],currGrid[39],currGrid[48],currGrid[57],currGrid[66]};
395 
assign rows[75] = {currGrid[72],currGrid[73],currGrid[74],currGrid[76],currGrid[77],currGrid[78],currGrid[79],currGrid[80]};
396 
assign sqrs[75] = {currGrid[57],currGrid[58],currGrid[59],currGrid[66],currGrid[67],currGrid[68],currGrid[76],currGrid[77]};
397 
assign cols[76] = {currGrid[4],currGrid[13],currGrid[22],currGrid[31],currGrid[40],currGrid[49],currGrid[58],currGrid[67]};
398 
assign rows[76] = {currGrid[72],currGrid[73],currGrid[74],currGrid[75],currGrid[77],currGrid[78],currGrid[79],currGrid[80]};
399 
assign sqrs[76] = {currGrid[57],currGrid[58],currGrid[59],currGrid[66],currGrid[67],currGrid[68],currGrid[75],currGrid[77]};
400 
assign cols[77] = {currGrid[5],currGrid[14],currGrid[23],currGrid[32],currGrid[41],currGrid[50],currGrid[59],currGrid[68]};
401 
assign rows[77] = {currGrid[72],currGrid[73],currGrid[74],currGrid[75],currGrid[76],currGrid[78],currGrid[79],currGrid[80]};
402 
assign sqrs[77] = {currGrid[57],currGrid[58],currGrid[59],currGrid[66],currGrid[67],currGrid[68],currGrid[75],currGrid[76]};
403 
assign cols[78] = {currGrid[6],currGrid[15],currGrid[24],currGrid[33],currGrid[42],currGrid[51],currGrid[60],currGrid[69]};
404 
assign rows[78] = {currGrid[72],currGrid[73],currGrid[74],currGrid[75],currGrid[76],currGrid[77],currGrid[79],currGrid[80]};
405 
assign sqrs[78] = {currGrid[60],currGrid[61],currGrid[62],currGrid[69],currGrid[70],currGrid[71],currGrid[79],currGrid[80]};
406 
assign cols[79] = {currGrid[7],currGrid[16],currGrid[25],currGrid[34],currGrid[43],currGrid[52],currGrid[61],currGrid[70]};
407 
assign rows[79] = {currGrid[72],currGrid[73],currGrid[74],currGrid[75],currGrid[76],currGrid[77],currGrid[78],currGrid[80]};
408 
assign sqrs[79] = {currGrid[60],currGrid[61],currGrid[62],currGrid[69],currGrid[70],currGrid[71],currGrid[78],currGrid[80]};
409 
assign cols[80] = {currGrid[8],currGrid[17],currGrid[26],currGrid[35],currGrid[44],currGrid[53],currGrid[62],currGrid[71]};
410 
assign rows[80] = {currGrid[72],currGrid[73],currGrid[74],currGrid[75],currGrid[76],currGrid[77],currGrid[78],currGrid[79]};
411 
assign sqrs[80] = {currGrid[60],currGrid[61],currGrid[62],currGrid[69],currGrid[70],currGrid[71],currGrid[78],currGrid[79]};
412 
 
413 
  generate
414 
     for(i=0;i<81;i=i+1)
415 
       begin: outGridGen
416 
          assign outGrid[(9*(i+1)-1):(9*i)] = currGrid[i];
417 
 
418 
       end
419 
  endgenerate
420 
 
421 
 
422 
   genvar ii,jj;
423 
   wire [80:0] c_rows [8:0];
424 
   wire [80:0] c_cols [8:0];
425 
   wire [80:0] c_grds [8:0];
426 
   wire [26:0] w_correct;
427 
 
428 
   generate
429 
      for(ii=0;ii<9;ii=ii+1)
430 
        begin: row_check
431 
           assign c_rows[0][(9*(ii+1)-1):9*ii] = currGrid[ii];
432 
           assign c_rows[1][(9*(ii+1)-1):9*ii] = currGrid[9+ii];
433 
           assign c_rows[2][(9*(ii+1)-1):9*ii] = currGrid[18+ii];
434 
           assign c_rows[3][(9*(ii+1)-1):9*ii] = currGrid[27+ii];
435 
           assign c_rows[4][(9*(ii+1)-1):9*ii] = currGrid[36+ii];
436 
           assign c_rows[5][(9*(ii+1)-1):9*ii] = currGrid[45+ii];
437 
           assign c_rows[6][(9*(ii+1)-1):9*ii] = currGrid[54+ii];
438 
           assign c_rows[7][(9*(ii+1)-1):9*ii] = currGrid[63+ii];
439 
           assign c_rows[8][(9*(ii+1)-1):9*ii] = currGrid[72+ii];
440 
        end
441 
   endgenerate
442 
 
443 
   generate
444 
      for(ii=0;ii<9;ii=ii+1)
445 
        begin: col_check
446 
           assign c_cols[0][(9*(ii+1)-1):9*ii] = currGrid[9*ii + 0];
447 
           assign c_cols[1][(9*(ii+1)-1):9*ii] = currGrid[9*ii + 1];
448 
           assign c_cols[2][(9*(ii+1)-1):9*ii] = currGrid[9*ii + 2];
449 
           assign c_cols[3][(9*(ii+1)-1):9*ii] = currGrid[9*ii + 3];
450 
           assign c_cols[4][(9*(ii+1)-1):9*ii] = currGrid[9*ii + 4];
451 
           assign c_cols[5][(9*(ii+1)-1):9*ii] = currGrid[9*ii + 5];
452 
           assign c_cols[6][(9*(ii+1)-1):9*ii] = currGrid[9*ii + 6];
453 
           assign c_cols[7][(9*(ii+1)-1):9*ii] = currGrid[9*ii + 7];
454 
           assign c_cols[8][(9*(ii+1)-1):9*ii] = currGrid[9*ii + 8];
455 
        end
456 
   endgenerate
457 
 
458 
   genvar iii,jjj;
459 
   generate
460 
      for(ii=0; ii < 3; ii=ii+1)
461 
        begin: grd_check_y
462 
           for(jj = 0; jj < 3; jj=jj+1)
463 
             begin: grd_check_x
464 
                for(iii=3*ii; iii < 3*(ii+1); iii=iii+1)
465 
                  begin: gg_y
466 
                     for(jjj=3*jj; jjj < 3*(jj+1); jjj=jjj+1)
467 
                       begin: gg_x
468 
 
469 
                          //(3*(iii-3*ii) + (jjj-3*jj))
470 
                          assign c_grds[3*ii+jj][9*(3*(iii-3*ii) + (jjj-3*jj)+1)-1:9*(3*(iii-3*ii) + (jjj-3*jj))] =                                                                                                                currGrid[9*iii + jjj];
471 
                       end
472 
                  end
473 
             end
474 
        end
475 
   endgenerate
476 
 
477 
   generate
478 
      for(ii=0;ii<9;ii=ii+1)
479 
        begin: checks
480 
           checkCorrect cC_R (.y(w_correct[ii]), .in(c_rows[ii]));
481 
           checkCorrect cC_C (.y(w_correct[9+ii]), .in(c_cols[ii]));
482 
           checkCorrect cC_G (.y(w_correct[18+ii]), .in(c_grds[ii]));
483 
        end
484 
   endgenerate
485 
 
486 
   //assign anyError = ~(&w_correct);
487 
 
488 
   always@(posedge clk)
489 
     begin
490 
        if(rst)
491 
          begin
492 
             r_done <= 1'b0;
493 
             r_changed <= 1'b0;
494 
             r_error <= 1'b0;
495 
          end
496 
        else
497 
          begin
498 
             r_done <= start ? 1'b0 : &done;
499 
             r_changed <= start ? 1'b0 : |changed;
500 
             r_error <= start ? 1'b0 : ~(&w_correct);
501 
          end
502 
     end
503 
 
504 
 
505 
 
506 
endmodule

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