I'm not sure whether you are looking for freeware or just looking for a solution, but the PCW version of CCS has a disassembler in it. I'm sure other compilers do, too (am I right, BC and HT users?). PCW will disassemble 12 and 14 bit types. Is that what you wanted? Dan Simple CCS code examples at: http://204.233.101.40/robots/pic1.html >Hello, > >A long time ago I had an exelent 16c84 dissassembler, I think it was >written by Markus Kuhn. I have tried to find it now without any sucsess. >Could someone please tell me where to find it ?? > >Also, does there exist any dissassemblers for the 12c508 chip... > >best regards, >tobias