On Sat, Aug 11, 2001 at 05:18:34PM -0400, Andy Meng wrote: > > Interrupt: > bcf INTCON,GIE > btfss INTCON,GIE > goto $ - 2 I think that sequence HAS to loop forever, have I missed something? You enter the interrupt service, clear the GIE, and wait until GIE gets set. What could set the GIE? -- HTH & Regards, Wojciech M. Zabolotny http://www.ise.pw.edu.pl/~wzab <--> wzab@ise.pw.edu.pl Before buying any hardware ask the dealer if it is Open Source friendly!!! hhtp://www.openhardware.org -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics