[Tutor] how to read one bit of a byte

Kent Johnson kent37 at tds.net
Wed Feb 21 22:50:35 CET 2007

Alan Gauld wrote:
> "Kent Johnson" <kent37 at tds.net> wrote 
>> This is also a good application of bitwise operations.
>> a & 128 will be 128 if the high bit in a is set, 0 if it is not.
> Only for an 8 bit integer! Most integers nowadays are 
> 32 bit so you need to use 0x80000000 to get the msb!
Right, but if you read the thread it is about byte values read from a 
file so presumably he is talking about 8-bit integers.


More information about the Tutor mailing list