Harrison Cooper wrote: > > I tend to do development work with a '84 since you don't have to keep > erasing and waiting, etc. I have done this in the past with the final > target being a C54. The latest project I got it working fine with the > C84 and then changed the processor to C54, compiled and burned a window > part (C54), but the thing wouldn't work...tried also with a target of > a C71, again...would not work. Am I missing something here? I would think > that as long as you stayed within the memory bounds, etc...it should > target and burn and run in any of these parts. I suppose I could shrug > it off and use a C84 part, but its more expensive, and being a good engineer > I wanna found out why this is happening. Any thoughts? > > hcooper@corp.es.com The 2 level verses 8 level stack will knock you over every time it it is exceeded. Perhaps this is the problem. I guess it depends on what you mean by etc. There are other nasties, however why not forget the 54 and go for a 61? These are closer to the 84 and I think you will find, will be less problems for future development. Don McKenzie don@dontronics.com http://www.dontronics.com PICSTART and Newfound PIC Programmers Firmware Upgrades. SLI, the serial LCD that auto detects baud rates from 100 to 125K bps. SimmStick(tm) A PIC proto PCB the size of a 30 pin Simm Memory Module. Send a blank message to help@dontronics.com for more info.