On Sat, Sep 12, 2009 at 1:37 PM, Harry H. Arends wrote: > Why putting a goto ISR at the ISR entry point and not the code. > Do you handle the interrupt correct? from the datasheet, all that i do find to handle an interrupt: isr clear INT_FLAG retfie that's all what i do need. Or do i miss something ? As for the former part of the question, as long as i do not do a retfie, things should be all well ? Just that goto takes 2 additional cycles as the side effect alone ? -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist