Neil Baylis wrote: > I seem to remember a discussion somewhere (maybe on the Microchip > forum) about whether any of the PICs had an atomic test and set > capability. The consensus seemed to be that this was not possible. Why is it not possible at the very least by temporarily disabling interrupts? Also the 30F do have a bit test and set instruction. ****************************************************************** Embed Inc, Littleton Massachusetts, (978) 742-9014. #1 PIC consultant in 2004 program year. http://www.embedinc.com/products -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist