Added completed files

2025-12-07 17:52:28 -05:00 · 2025-12-07 17:52:28 -05:00 · 56ff930a4a
commit 56ff930a4a
parent 60c5c84746
2 changed files with 822 additions and 0 deletions
--- a/chip_design_tb_working.sv
+++ b/chip_design_tb_working.sv
@ -0,0 +1,160 @@
+// Code your testbench here
+// or browse Examples
+module chip_design_tb #(
+  parameter int N_x = 8,
+  parameter int N_y = 8,
+  parameter int N = N_x*N_y,
+  parameter int N_width = N_x_width*N_y_width,
+  parameter int DELAY_NS   = 50
+
+
+);
+
+
+    logic clk, rst, start, input_enable;
+    logic [3:0] cur_wall;
+    logic done, req_next_addr, out_val;
+    logic [3:0] next_x, next_y;
+    logic [1:0] solution;
+
+
+    logic [3:0] maze[0:N_x-1][0:N_y-1];
+
+
+    chip_design chip_design_uut (
+        .clk(clk),
+      	.rst(rst),
+        .start(start),
+        .input_enable(input_enable),
+        .cur_wall(cur_wall),
+        .done(done),
+        .req_next_addr(req_next_addr),
+        .out_val(out_val),
+      	.next_x(next_x),
+        .next_y(next_y),
+        .solution(solution)
+    );
+
+
+    initial begin
+
+      	//"HARD" MAZE
+        maze[0][0] = 4'b0011;
+        maze[1][0] = 4'b1010;
+        maze[2][0] = 4'b1010;
+        maze[3][0] = 4'b1010;
+        maze[4][0] = 4'b0010;
+        maze[5][0] = 4'b1010;
+        maze[6][0] = 4'b1010;
+        maze[7][0] = 4'b0110;
+
+        maze[0][1] = 4'b0101;
+        maze[1][1] = 4'b1011;
+        maze[2][1] = 4'b0110;
+        maze[3][1] = 4'b0011;
+        maze[4][1] = 4'b1100;
+        maze[5][1] = 4'b0111;
+        maze[6][1] = 4'b0111;
+        maze[7][1] = 4'b0101;
+
+        maze[0][2] = 4'b0101;
+        maze[1][2] = 4'b0111;
+        maze[2][2] = 4'b1001;
+        maze[3][2] = 4'b1100;
+        maze[4][2] = 4'b0011;
+        maze[5][2] = 4'b1100;
+        maze[6][2] = 4'b0101;
+        maze[7][2] = 4'b0101;
+
+        maze[0][3] = 4'b0101;
+        maze[1][3] = 4'b0101;
+        maze[2][3] = 4'b1011;
+        maze[3][3] = 4'b0010;
+        maze[4][3] = 4'b1000;
+        maze[5][3] = 4'b0010;
+        maze[6][3] = 4'b1100;
+        maze[7][3] = 4'b0101;
+
+        maze[0][4] = 4'b0101;
+        maze[1][4] = 4'b1001;
+        maze[2][4] = 4'b0110;
+        maze[3][4] = 4'b1001;
+        maze[4][4] = 4'b1110;
+        maze[5][4] = 4'b1001;
+        maze[6][4] = 4'b1010;
+        maze[7][4] = 4'b0100;
+
+        maze[0][5] = 4'b0101;
+        maze[1][5] = 4'b0011;
+        maze[2][5] = 4'b1000;
+        maze[3][5] = 4'b0010;
+        maze[4][5] = 4'b1010;
+        maze[5][5] = 4'b0110;
+        maze[6][5] = 4'b0111;
+        maze[7][5] = 4'b0101;
+
+        maze[0][6] = 4'b0101;
+        maze[1][6] = 4'b1001;
+        maze[2][6] = 4'b0110;
+        maze[3][6] = 4'b1001;
+        maze[4][6] = 4'b0110;
+        maze[5][6] = 4'b1001;
+        maze[6][6] = 4'b1100;
+        maze[7][6] = 4'b0101;
+
+        maze[0][7] = 4'b1001;
+        maze[1][7] = 4'b0000;
+        maze[2][7] = 4'b1001;
+        maze[3][7] = 4'b1110;
+        maze[4][7] = 4'b1001;
+        maze[5][7] = 4'b1010;
+        maze[6][7] = 4'b1010;   // GOAL CELL
+        maze[7][7] = 4'b1100;
+    end
+
+    always #(DELAY_NS) clk = ~clk;
+
+
+    always @(posedge clk) begin
+        if(req_next_addr) begin
+            cur_wall <= maze[next_x][next_y];
+            input_enable <= 1;
+        end else begin
+            input_enable <= 0;
+        end
+    end
+
+
+    initial begin
+        $dumpfile("dump.vcd");
+        $dumpvars;
+
+        rst = 1;
+        clk = 0;
+        start = 0;
+        input_enable = 0;
+
+        repeat (5) @(posedge clk);
+        rst = 0;
+
+        start = 1;
+        @(posedge clk);
+        start = 0;
+
+        wait(done == 1);
+        $display("Maze solve complete!");
+
+    	$finish;
+	end
+
+  	int output_count = 1;
+
+	initial begin
+  		forever begin
+    		@(posedge out_val);
+
+          	$display($sformatf("Move %0d: %b", output_count, solution));
+    		output_count++;
+  		end
+	end
+endmodule