I've posted a new App Note to our website that covers the issue of C functions with multiple call graphs and how to properly control interrupts when using them. I've always wanted to get some literature into our App Notes ... :-) Enjoy! -- ______________________________________ Andrew E. Kalman, Ph.D. Salvo(TM), The RTOS that runs in tiny places(TM) Pumpkin, Inc. 750 Naples Street San Francisco, CA 94112 tel: (415) 584-6360 fax: (415) 585-7948 web: http://www.pumpkininc.com email: aek@pumpkininc.com -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body