Re: A83: TI COLOR!!!!
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Re: A83: TI COLOR!!!!
The new ('boxy') 83's are indeed equiped with blue LCD's.
The red lines seem to appear when you load $1C in reg a.
At least, in my case.
Frank Schoep
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-----Oorspronkelijk bericht-----
Van: Henk Poley <HPoley@DDS.nl>
Aan: assembly-83@lists.ticalc.org <assembly-83@lists.ticalc.org>
Datum: dinsdag 6 februari 2001 8:45
Onderwerp: Re: A83: TI COLOR!!!!
>
>> How about the red-lines? I didn't get them...
>>
>> Peter Martijn
>
>Maybe they are caused by difraction?
>
>Maybe you've seen something like this on (old) color-LCD displays. If you
>look from the side of the screen, you see the "rest" of the color. Let's
>say the color "in front" is blue, then you'll see yellow and red if you
>look at the sides of the screen.
>
>Another explanation: Normaly the LCD is quite slow, so the crystals (LCD =
>Liquid Crystal Display) have time enough to reach the right polarisation to
>block all the light. When you speed up the refresh-rate the crystals don't
>have time enough to switch entierly, so you see blue (only red an yellow
>are blocked/difracted). Taking up the speed some higher you could see red.
>
>Maybe you'll need really fresh batteries to see the "reddish form".
>
> Henk Poley
>
>BTW: The new Ti-83s (ROM v1.10001) have a blue LCD, so seeing the red lines
>will be impossible on that calc (I think).
>
>
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