for this: IDATA 0010H 000CH UNIT ?ID?SMAIN 001CH 0004H *** GAP *** .... DATA 0056H 0022H UNIT ?DT?SMAIN IDATA 0078H 0001H UNIT ?STACK I am losing 16 bytes of the precious commodity DATA storage. Does anyone know of a way to get DATA in the 10-1f slot?. (I have enough globals, that I can use it for globals if that makes it doable). cross posted on 8052 Erik