Brilliant! That's exactly what the kick in the right direction I needed.
Thanks!

Josh
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"John N. Power" wrote:
> To reverse the bits in a byte, shift the byte to the right and shift a second byte
> to the left. After 1 right shift, CY has the LSB of the first byte. Shift the second
> byte left and CY ends up as the LSB of byte #2. After 8 shifts, byte 2 has
> byte #1 in bit reverse order. If you only want the lower 4 bits of #1, shift 4
> times. Use swapf to exchange nybbles if needed.

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