> The carry bit does not matter, as only the 8 bits in the byte are > evaluated as they RR and reach bit 0. OK, I had the wrong impression of what the s/w was doing. It still doesn't hurt to appreciate as you're writing what the effects are of instructions like rotates. Sometimes even the smallest incorrect assumption can cause havoc and many hours of head-scratching wbr -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist