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Author Topic: Undocumented LCD feature - Flip screen  (Read 23984 times)

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Offline DJ Omnimaga

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Re: Undocumented LCD feature - Flip screen
« Reply #15 on: July 13, 2010, 06:37:51 pm »
Mhmm, this seems like this trick might be best avoided if it gives different result on various calcs x.x

EDIT: http://ourl.ca/4129/102147 safer way to do it, I think (although IDK if it's the most efficient one, in  terms of speed and optimizing)
« Last Edit: July 13, 2010, 06:38:42 pm by DJ Omnimaga »
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Offline calcdude84se

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Re: Undocumented LCD feature - Flip screen
« Reply #16 on: July 13, 2010, 08:12:25 pm »
The only cool thing about it is that you don't do anything else, the driver does it automatically.
Btw, can anyone else replicate this? I can post a vid later, to demonstrate this.
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Offline Lionel Debroux

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Re: Undocumented LCD feature - Flip screen
« Reply #17 on: July 14, 2010, 03:23:12 am »
No flips occur on a S-0702A 83+SE and a S-0106F 84+SE, when outputting $0C through $0F to port $10. Maybe a small effect on contrast, as TC01 described.
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Offline calcdude84se

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Re: Undocumented LCD feature - Flip screen
« Reply #18 on: July 14, 2010, 10:05:16 am »
So I have a special driver... woohoo...
I'll get some pics so you can see it for yourselves.
Edit: got the pics, they're attached. They're named to correspond to the port output that produced them.
« Last Edit: July 14, 2010, 10:43:28 am by calcdude84se »
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Offline jnesselr

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Re: Undocumented LCD feature - Flip screen
« Reply #19 on: July 14, 2010, 10:53:34 am »
WOW!  I can't believe that actually works.  Imagine playing Mario like that.  Do the asm programs work?
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Offline calcdude84se

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Re: Undocumented LCD feature - Flip screen
« Reply #20 on: July 14, 2010, 10:56:34 am »
Since absolutely nothing touches the setting (except a RAM clear), everything is like that until I put it back by outputting $0C to the lcd. I'll get you another picture of, say, Tetris Marathon. Hold on. :P
Edit: Here you go. :P Plus a bonus! (I'll stop probably stop posting pics now)
« Last Edit: July 14, 2010, 11:00:54 am by calcdude84se »
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Offline Tribal

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Re: Undocumented LCD feature - Flip screen
« Reply #21 on: July 14, 2010, 01:45:31 pm »
Doesn't work on my TI-84+SE S-0408D, nice though, if only they implemented it in more models :(
« Last Edit: July 14, 2010, 01:45:55 pm by Tribal »
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Offline calcdude84se

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Re: Undocumented LCD feature - Flip screen
« Reply #22 on: July 14, 2010, 01:55:54 pm »
Yeah, currently I'm wondering what LCD driver I have... Maybe I should open it up...
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Offline Builderboy

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Re: Undocumented LCD feature - Flip screen
« Reply #23 on: July 14, 2010, 02:20:17 pm »
Seems like this is a pretty rare occurrence o.O Too bad, it could have been exploited to be sooo annoying ;)
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Re: Undocumented LCD feature - Flip screen
« Reply #24 on: July 14, 2010, 02:28:04 pm »
D:   it didn't work on my calculator
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Offline FinaleTI

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Re: Undocumented LCD feature - Flip screen
« Reply #25 on: July 14, 2010, 02:59:18 pm »
Looks cool, but when I tried it, nothing happened. Oddly enough, my serial number ends with P-0908M, which should mean I also have an M revision from P factory, right? Perhaps, mine just has a worse LCD driver...
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Offline calcdude84se

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Re: Undocumented LCD feature - Flip screen
« Reply #26 on: July 14, 2010, 03:49:53 pm »
This is confusing... I feel special. :P
If the LCD drivers are clearly labeled, do you think I should open it up?
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Offline Silver Shadow

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Re: Undocumented LCD feature - Flip screen
« Reply #27 on: July 14, 2010, 04:18:20 pm »
Might be a good idea. Make sure not to damage anything in the process though.
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Offline thepenguin77

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Re: Undocumented LCD feature - Flip screen
« Reply #28 on: July 14, 2010, 05:33:02 pm »
Doesn't work on mine, plus bad screen.

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And while I had it open, I made the LCD really clean.

Edit:
    2518110828 P-0508M btw
« Last Edit: July 14, 2010, 05:34:15 pm by thepenguin77 »
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Offline meishe91

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Re: Undocumented LCD feature - Flip screen
« Reply #29 on: July 16, 2010, 01:23:39 am »
So what is the process for testing this exactly?
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