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From: "Gustavo Niemeyer" <djgpp AT niemeyer DOT net>
To: <djgpp AT delorie DOT com>
Subject: RE: bits and flags
Date: Mon, 12 Jul 1999 11:49:53 -0300
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>that's not true.
>to turn on bit #n :
>ch=ch|(1<<n)
>to turn off:
>ch=ch&(1<<n)
>where 0<=n<=7

Ops... that's not true also...

If you put ch=ch&(1<<n) you'll turn of all bits
BUT the desired one... so you have to do this to
turn off bit #n:

ch&=~(1<<n);


Gustavo Niemeyer
Niemeyer Network
High technology solutions
http://www.niemeyer.net