On 1/13/06, Jose Da Silva wrote: > On January 13, 2006 11:14 am, William Couture wrote: > > There are a lot of versions of code for this, and I need to find the > > one they copied. > > 1. Use a disassembler to reverse the code into source code. > 2. Use just the command sequence to quickly find-out which one they > copied by using the unix "diff" command: > xxxx movlw xxx <-(the xxx stuff throws off a diff too quick) > xxxx addwf xxx > gets stripped-down to this: > movlw > addwf > etc... > > This should probably give you the quickest answer to find the version > since you really don't care too much if they swapped RAM file registers > (this affects the byte values in the hex code) which is going to > throw-off your diff command quite quickly. Some more info (some of it learned yesterday afternoon, after my initial question): The original source code is C for a 68HC11. They did their changes from a ROM. So, I have to figure out if they just patched the ROM image, or did they disassemble, change, and re-assemble. Then, maybe I can find the version they pirated... Bleh... Bill -- Psst... Hey, you... Buddy... Want a kitten? straycatblues.petfinder.org -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist