On Friday, August 1, 2014 4:47:20 PM UTC-4, MRAB wrote: > On 2014-08-01 21:35, bSneddon wrote: > > > I need to calculate an error correction code for an old protocol. > > > > > > I calculate the integer 4617 and want to code the 2s compliment in ASCII > > > hex EDF7. When issue the following. > > >>>> hex(-4617) > > > '-0x1209' > > > > > > Does anyone know a clean way to get to the desired results? My ECC will > > always > > > be 16 bit (4 nibble) hex number. > > > > > Use a bitwise AND: > > > > >>> hex(-4617 & 0xFFFF) > > '0xedf7'
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