> Check figure 4-5 of the 18F452 data sheet. You can address each word as > individual bytes in case you want to store data in the program memory but > the instructions words are aligned on even byte boundaries. Thanks for the answers. When someone asks me why they should use PIC instead of AVR, 8051 etc. there is always one unexpected argument from my side: www.piclist.com (both for the list itself and for the PIC techref pages). Wouter van Ooijen -- Van Ooijen Technische Informatica: http://www.voti.nl Jal compiler, Wisp programmer, WLoader bootloader, PICs kopen -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body