if(command)
{
command=0;
switch(value)
{
case _SS: run(0);break;
case _US: run(1);break;
case _DS: run(2);break;
case _LS: run(3);break;
case _RS: run(4);break;
case _UL: run(5);break;
case _UR: run(6);break;
case _DL: run(7);break;
case _DR: run(8);break;