Re: A83: TI COLOR!!!!
[Prev][Next][Index][Thread]
Re: A83: TI COLOR!!!!
Nah - the effect on the LCD is just temporary (or so). I've been playing
with this thing for ages now and my LCD isn't damaged, nor displaying dark
lines. When you turn the calc off and then on, the LCD's just fine again.
Frank Schoep
====================
Forever For Now
http://foreverfornow.cjb.net
dsfs98@concepts.nl
====================
-----Oorspronkelijk bericht-----
Van: Robert Maresh <gardenerbm@netzero.net>
Aan: assembly-83@lists.ticalc.org <assembly-83@lists.ticalc.org>
Datum: donderdag 8 februari 2001 18:16
Onderwerp: Re: A83: TI COLOR!!!!
>
>And of course, if you push hard on the screen, it will display all weird
>colors. Too bad we can't come up with an lcd command to do that :-).
>
>Bob Maresh
>
>----- Original Message -----
>From: "Frank Schoep" <dsfs98@concepts.nl>
>To: <assembly-83@lists.ticalc.org>
>Sent: Tuesday, February 06, 2001 10:47 AM
>Subject: 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
>> ====================
>> Forever For Now
>> http://foreverfornow.cjb.net
>> dsfs98@concepts.nl
>> ====================
>> -----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).
>> >
>> >
>>
>>
>>
>
>
Follow-Ups: