SPI_Test/tb/sram_tb/spram_monitor.sv

class ramreg_monitor;

virtual sram_if#(25,32)	xif;

  //collect
  spi_trans			act_trans[$];


  function new();
  endfunction
  extern task collect();
  extern task do_mon();

endclass : ramreg_monitor 


task ramreg_monitor::do_mon();

    while(1) begin
	@(negedge xif.wren);
      	collect();
    end

endtask: do_mon




task ramreg_monitor::collect();
    spi_trans		tr_temp;

	@(posedge xif.clk);
	@(negedge xif.clk);

	tr_temp = new();
  	tr_temp.dout        = xif.dout 	;

	act_trans.push_back(tr_temp);
	
endtask:  collect