CDAs can't be used on anything but the IIGS. ProDOS 8 CDAs are called that because they work even when GS/OS isn't active -- but they still require a IIGS. - Eric S. -- Eric D. Shepherd | Apple II Alliance Charter Member InterNet: uerics@mcl.mcl.ucsb.edu | ACM Member FidoNet: 1:206/2713 Eric Shepherd | Programming Law #1: "When in AOL: Sheppy | doubt, rewrite from scratch."