Hi, I'd suggest PM assembler, indeed. It is far closer relative to PicBasic PRO, even if it has also some very small quirks. Than the information would be correct regarding code size. Or, look at the end of the listing file... Regards, Imre On Sat, 29 Jan 2000, Jon Petty wrote: > Hi > > I am using PicBasicPro within MPLAB. I compiled using mpasmdos as the > assembler. It took a long time and I was getting misc errors, but it still > said "Build successfully completed". > > I chose the PM assembler and it compiled quicker and told me how many words > had been used. > > What is the difference? > Which one should I be using? > > If Build results says 1000 words used, is that exact or if it is over 1000 > will it still display 1000? > > Thanks > > Jon > >