EDA Playground

 
// Code your testbench here
// or browse Examples
​
module mysample();
  reg [31:0] a,b;
  reg [31:0] c[4];
  
  initial
    begin : nonblocking
      $monitor($time,"\tDisplaying using monitor a = %0h b = %0h",a,b);
      a = 0;
      #5;
      a <= 31'hAB;  // Non-blocking assignment, LHS is updated in INACTIVE region
      $display($time,"\tDisplaying using display a = %0h",a);
      $write($time,"\tDisplaying using write   a = %0h\n",a); // Explicit '\n'
      $strobe($time,"\tDisplaying using  strobe  a = %0h",a);
    end
  
  initial
    begin : blocking
      b = 0;
      #15;
      b = 31'hCD;   // Blocking assignment, LHS is updated in ACTIVE region
      $display($time,"\tDisplaying using display b = %0h",b);
      $write($time,"\tDisplaying using write   b = %0h\n",b); // Explicit '\n'
      $strobe($time,"\tDisplaying using  strobe  b = %0h",b);
    end
  
  initial
    begin: array
      #20;
      $display("Displaying ARRAY:");    // Note By-default '\n'
      for(integer i=0;i<4;i++)
        begin
        for(integer j=0;j<31;j++)
          begin
            c[i][j] = j^i;          // Assign any value
            $write ("%0h",c[i][j]); // Display row
          end
          $write("\n");             // For insertion of newline
        end
    end
endmodule
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