Dwayne Reid wrote: > He's referring to a post I made where I showed my IIR filter (written > in assembler). I'll paste a copy below. You are getting way ahead of the requirements. I haven't heard a reason why a IIR filter is needed, and you didn't explain what exactly your IIR filter is trying to filter. Looking at implementation details at this stage is pointless. ******************************************************************** Embed Inc, Littleton Massachusetts, http://www.embedinc.com/products (978) 742-9014. Gold level PIC consultants since 2000. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist