How about the simple example in the manual? (DS39026B, page 48) > Challenge: > > Write a program to clear the RAM in an 18f452 (or any 18X > part with RAM > from 0x000 through 0xf7f). Minimize the # of CPU cycles and limit the > snippet to 12 instructions. -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu