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Labs/04. Primitive programmable device/tb_cybercobra.sv

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+`timescale 1ns / 1ps
+//////////////////////////////////////////////////////////////////////////////////
+// Company: MIET
+// Engineer: Nikita Bulavin
+// 
+// Create Date:    
+// Design Name: 
+// Module Name:    tb_cybercobra
+// Project Name:   RISCV_practicum
+// Target Devices: Nexys A7-100T
+// Tool Versions: 
+// Description: tb for CYBERcobra 3000 Pro 2.1
+// 
+// Dependencies: 
+//
+// Revision: 
+// Revision 0.01 - File Created
+// Additional Comments: 
+//
+//////////////////////////////////////////////////////////////////////////////////
+
+module tb_CYBERcobra();
+    
+    CYBERcobra dut(
+    .clk_i(clk),
+    .rst_i(rstn),
+    .sw_i (sw_i ),
+    .out_o(OUT)
+    );
+    
+    wire [31:0] OUT;
+    reg clk;
+    reg rstn;
+    reg [15:0] sw_i;
+
+    initial clk <= 0;
+    always #5 clk = ~clk;
+    
+    initial begin 
+    $display( "\nStart test: \n\n==========================\nCLICK THE BUTTON 'Run All'\n==========================\n"); $stop();
+    rstn = 1'b1;
+    #10;
+    rstn = 1'b0;
+    sw_i = 16'b100001000; //значение, до которого считает счетчик
+    //#260;
+    //sw_i = 15'b0;
+    #10000;
+    $display("\n The test is over \n See the internal signals of the CYBERcobra on the waveform \n");
+    $finish;
+    end
+    
+endmodule