Shel Michaels wrote: > Say, Andrew - I may have missed some of this thread since my mailer > is periodically broken, but... In the 16C74 don't you find it > necessary to do the following for the sake of completeness?? Shel: Yes, the 16C74 context-saving code is a little more complicated. However, the original title of this thread was "Interrupts on the 16C84". -Andy Andrew Warren - fastfwd@ix.netcom.com Fast Forward Engineering, Vista, California http://www.geocities.com/SiliconValley/2499