The most interesting thread I've read in a while. Vitaliy does'nt need my help, but if anyone's considering "Code Complete", be warned - Hard to put down once picked up. My copy is worn out. I've found OOP resistable so far, but Vitaliy's scheme makes a lot of sense - I'm learning... Jack -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist