> His assembler may not be powerful enough for you guys. But it could >be used to define the input and validate the output of another assembler >that you guys work on. hello you know what, i just wanted to ask wether somebody with a working f8 assembler could please write a short program with some branches in it. i suspect dasm generates the displacement off by one (for the f8 that is). well, now i can do it myself. other than that f8 support for dasm is coming along nicely. although dasm is mainly written for the 6502 and similar cpus, it provides enough possibilities to tweak it for other cpus. for instance dasm's parser can handle a lot of the f8 instructions, but not all. for the instructions it can't handle i basically plug in an own parser, which in turn calls back dasm's expression evaluator to parse some of the operands... cheers thomas