program case6(spi_if my_if,sysreg_if sys_if,mcureg_if mcu_if,awgreg_if awg_if,sram_if xif);

  env		my_env;

  initial begin

    my_env	= new();

    my_env.wif		 = my_if;
    my_env.vif		 = sys_if;
    my_env.mif	 	 = mcu_if;
    my_env.aif		 = awg_if;
    my_env.xif		 = xif;
    my_env.pktnum	 = 1000;
    
    my_env.build();
   
    my_env.run();

  end

endprogram