Albert Noah wrote: > > Hello, > > I have what will probably seem like a stupid question but here it goes: > > I built a programmer (http://www.jdm.homepage.dk/newpics.htm) and programmed > a 16F84 with the PP.EXE program. The programmer programmed the chip and then > verified it successfully. (Or so the software says). > > I did a read on the chip and had it dump to a file. Below are a few lines of > the original and the dumped hex file starting at line 1 of each. > > Original Hex > :020000000528D1 > :08000800052885008B01093079 > :100010006600C23062000611031EE22864005830F8 > :10002000B6209F20120803110310493A031D05282A > > Saved Hex > :100000000528FF3FFF3FFF3F052885008B01093092 > :100010006600C23062000611031EE22864005830F8 > :10002000B6209F20120803110310493A031D05282A > > The original hex lines 3 and 4 are the same as the saved hex lines 2 and 3 > but the header? is different. Is this normal? If this is normal can I burn > the saved hex to a chip and it operate like the original hex? > > The reason I ask is that I will be building this project this weekend but I > want to know if it is the chip or the circuit if I have problems. > > I hate to bother you with such a simple question but I am new to pics and am > learning slowly. > > Thanks to everyone for your tips and all the great information that comes > through the list. > > Albert not sure on the exactness but the hex file format uses some type of doubling like everything is 2x or something like that.. I forget.. there are alot of converters out their so you might want to check around... probably www.piclist.com in the techref stuff is a good place.. Good luck hopefully someone else will speak up with more knowledge than i have.. Damon Hopkins