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Date: Wed, 03 Feb 1999 23:51:00 -0500
To: djgpp AT delorie DOT com
From: Paul Derbyshire <pderbysh AT usa DOT net>
Subject: Re: Re[2]: what is wrong with this?
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 <Pine DOT SUN DOT 3 DOT 91 DOT 990203185620 DOT 21364D-100000 AT is>
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Reply-To: djgpp AT delorie DOT com

At 10:38 PM 2/3/99 -0500, you wrote:
>>>         bittmp = tmp & 0xCF;
>>
>>hm, this is not true,
>>0xCF = 11001111 in binary,
>>i don't see how this could reset bit 6...
>
>Oops. Someone made a boo-boo. That should definitely have been 0xDF.

Oops oops. That will give 11011111, but that's actually bit 5... 0xBF will
give 10111111, which is what you & with to reset bit 6.
This is using the covention that the right most bit is bit 0, someone may
have been calling it bit 1...

-- 
   .*.  "Clouds are not spheres, mountains are not cones, coastlines are not
-()  <  circles, and bark is not smooth, nor does lightning travel in a
   `*'  straight line."    -------------------------------------------------
        -- B. Mandelbrot  |http://surf.to/pgd.net
_____________________ ____|________     Paul Derbyshire     pderbysh AT usa DOT net
Programmer & Humanist|ICQ: 10423848|