static void HandlePrim(Vm vm)
{
var instruction = vm.CurrentInstruction ();
if (vm.GetCurrentCache () == null) {
var udpName = (string)instruction.Arguments;
vm.SetCurrentCache (Value.Make (GetUdpByName (vm, udpName)));
}
vm.stack.Push ((Value)vm.GetCurrentCache ());
vm.IncrementTicks (1);
vm.programCounter++;
}