Re: Creating a 2s compliment hex string for negitive numbers

2014-08-01 Thread bSneddon
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.

Re: Creating a 2s compliment hex string for negitive numbers

2014-08-01 Thread MRAB
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?

Creating a 2s compliment hex string for negitive numbers

2014-08-01 Thread bSneddon
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