Hi frank Honestly I don't know. I don't have a lot of assembly experience and this is all pretty new to me. nick On Wednesday, March 16, 2011, Frank Kotler wrote: > Nicolas Bock wrote: > > Hi Brian, > > yes, I compiled it and when I run the code it segfaults. > > > Don't you need 64-bit addresses in your jump-table for 64-bit code? > > Best, > Frank > > >