Here is the address : _CPOP1OP2 equ 41FBh ------------------ Original text From: HBeaver1@aol.com, on 9/1/97 11:09 AM: On the 83 there is a call called _cp_op1_op2. Is there something similar to that on the 86. If so what is the address? Also, are there compares for any other ops? ~Chris