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Message-ID: | <35883781.8B19EC6B@go.ro> |
Date: | Thu, 18 Jun 1998 00:39:13 +0300 |
From: | Radu Georgescu aka skoola <skoola AT go DOT ro> |
X-Mailer: | Mozilla 4.5 [en] (Win95; I) |
X-Accept-Language: | en |
MIME-Version: | 1.0 |
To: | djgpp AT delorie DOT com |
Subject: | Re: bits and flags |
References: | <01beca3f$da040700$LocalHost AT thendren> |
Reply-To: | djgpp AT delorie DOT com |
> >If you take 2 to the 4th power witch is 16, you can say: > > > > ch-=16; > > > >and that will turn of the 4th bit if it is on. If it is off and you want > it on > >you can go > > > > ch+=16; > > > >so basicly you add or subtract 2 to the power of the bit you want. that's not true. to turn on bit #n : ch=ch|(1<<n) to turn off: ch=ch&(1<<n) where 0<=n<=7
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