On Mon, Dec 23, 2013 at 8:08 PM, Dan Smith <dsmith@danplanet.com> wrote:

> F9 = -7
> FA = -6
> FB = -5
> FC = -4
> FD = -3
> FE = -2
> FF = -1
> 00 = 0
> 01 = +1
> 02 = +2
> 03 = +3
> 04 = +4
> 05 = +5
> 06 = +6
> 07 = +7

This is a signed byte, which we don't have support for in bitwise. It
would be easy to add though.

--Dan

I'll do some more testing. But as far as I could tell, what Jen suggested was working for me.

Jim