ore for inside a loop

Code:

var key_a_r;

while(1)
{
if(key_a_r && key_a)
{
key_a_r = 0;
//do_somthing;
}
if(!key_a)
{
key_a_r = 1;
}

//loop isnt disturbed;
c_move(...
wait(1);
}


"empty"