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APS/Labs/04. Primitive programmable device/tb_cybercobra.sv

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Systemverilog

//////////////////////////////////////////////////////////////////////////////////
// Company: MIET
// Engineer: Nikita Bulavin
// Module Name: tb_cybercobra
// Project Name: RISCV_practicum
// Target Devices: Nexys A7-100T
// Description: tb for CYBERcobra 3000 Pro 2.1
//////////////////////////////////////////////////////////////////////////////////
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===============================================\nAdd CYBERcobra signals to the waveform and then\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