On 3/17/07, John Dammeyer wrote: > That's an organizational issue and is why I stress, if you program in C, > you must be able to understand the assembler it generates in order to > make the most compact code. If needed. Absolutely. Though I did hope that the compiler would have managed to optimize do ... while ( --len ); into: loop ... decfsz len,f goto loop Orin. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist