Since the assembler knows which instructions modify which registers, it would be nice if there was a way to "protect" a register for a code range.
Perhaps USING area,Rx,protect Any alteration of the register until the DROP would cause a warning message on the instruction. Or might such an option exist? -- Binyamin Dissen <bdis...@dissensoftware.com> http://www.dissensoftware.com Director, Dissen Software, Bar & Grill - Israel Should you use the mailblocks package and expect a response from me, you should preauthorize the dissensoftware.com domain. I very rarely bother responding to challenge/response systems, especially those from irresponsible companies.