[CVALE] Question about bytes, bits, and endianess...

Robert Nickel robert at artnickel.com
Thu Sep 7 10:51:19 PDT 2006


On 2006.09.07 08:09:56 -0700, Landon Blake wrote:
[...]
> Where is the bit that indicates the sign of a number placed on a 4 byte
> integer in little-endian order, and where is it placed in a 4 byte integer
> in big-endian order? Does a "on" value, or a "one" value indicate a
> negative or positive number?
[...]

The sign bit is always the MSB of the value in question.

As for a discussion of endianness, see http://en.wikipedia.org/wiki/Endian .

> P.S. - Is a 4 byte integer with the value of 2 in big-endian equal to
> "0010 0000 0000 0000" or do I have it backwards?

Backwards.

HTH,
  --Robert
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