On 25/04/2013 07:28, Ruben J=F6nsson wrote: > So you want to check at run-time, not compile-time. I use the check at compile-time BUT I pay big attention to not alter sensib= le timing and program memory size because want to simulate the "same" firmware= .. --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .