[A83] Re: weird contrast


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[A83] Re: weird contrast



 



>From: Gavin Olson >Reply-To: assembly-83@lists.ticalc.org >To:
assembly-83@lists.ticalc.org >Subject: [A83] Re: weird contrast >Date: Sun,
03 Mar 2002 13:20:08 -0500 >>>At 06:14 PM 3/3/02 +0000, you wrote: >>>>>At
01:42 PM 3/2/02 -0800, you wrote: >>>>>>>Hello, >>>>I think what Sucker was
actually meaning was that these weird dark >>>and >>>>light patterns formed
in vertical lines. I always get those, but I have >>>no >>>>idea what they
are. They are not just in graphing, either, I get them >>>often >>>>in
Penguins. 

>>>

Oh...  I thought that you meant to solve for x... >>>If there are a lot of
pixels on in a column, sometimes the whole column >>>will get a bit darker.
Its just the properties of LCD screens. >>>>>>>>>>So I guess the pixels on a
lcd aren't powered seperate? >>(but with rows/colums?) >>What you do to make
an LCD is give power to a row, then go along the >column, giving power or
not, or vice versa. Having a seperate wire for each >pixel is impractical,
when this system works fine and has a much smaller 

>number of wires (2*sqrt(numpixels) max). 

no, not always 2*numpixels^.5.  always numrows+numcols.  on the 83+ it's
64*96=6144.  I was going to add a sticking-out-tounge-with-closed-eyes face,
but i realized it's the sign of the devil that goes by the name of-- not
going to say it, I'll spell it out -- M-i-c-r-o-s-o-f-t.  EVIL> >>

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