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GBA TV screen tearing   Message List  
Reply | Forward Message #10269 of 15019 |
Re: [gbadev] GBA TV screen tearing

yep - AFAIK its because the GBA dosnt actually run at 60hz, its ever so slightly
higher than that - even the official wideboy 64 "drops" frames ever now and
again...

ninge
----- Original Message -----
From: Collin van Ginkel
To: gbadev@yahoogroups.com
Sent: Friday, March 01, 2002 3:40 PM
Subject: [gbadev] GBA TV screen tearing


Hi!

Anyone here uses the GBA TV thing? I'm experiencing a small graphical glitch
in the screen update. Once about every second 'screen tearing' occurs.. like
it's not synced to 60fps right..

I'm wondering if any NTSC native guys over here have the same glitch (I'm
using it on a NTSC capable PAL-TV)

Greetings,

Collin
Fri Mar 1, 2002 3:58 pm

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n1nge
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Forward 		Message #10269 of 15019 |
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Hi! Anyone here uses the GBA TV thing? I'm experiencing a small graphical glitch in the screen update. Once about every second 'screen tearing' occurs.. like ... 		Collin van Ginkel
fleppes2001
Offline Send Email 		Mar 1, 2002
3:56 pm

yep - AFAIK its because the GBA dosnt actually run at 60hz, its ever so slightly higher than that - even the official wideboy 64 "drops" frames ever now and...
ninge
n1nge
Offline Send Email 		Mar 1, 2002
4:07 pm

... slightly higher than that - even the official wideboy 64 "drops" frames ever now and again... IIUC, it's actually slightly lower - 59.72 hz, I believe....
John Q. Pretentious
johnisaheadcase
Offline Send Email 		Mar 1, 2002
8:03 pm

Hello John, ... JQP> slightly higher than that - even the official wideboy 64 "drops" frames ever JQP> now and again... JQP> IIUC, it's actually slightly lower...
groepaz
groepaz2000
Offline Send Email 		Mar 1, 2002
11:34 pm

... Actually, John was correct (well, it's 59.727Hz. :) -- Bob One Man Band http://www.onemanband.com...
Bob Koon
onemanband_bob
Offline Send Email 		Mar 2, 2002
12:00 am

Hello Bob, ... BK> Actually, John was correct (well, it's 59.727Hz. :) in theory, yes ofcoz :o) -- Best regards, groepaz...
groepaz
groepaz2000
Offline Send Email 		Mar 2, 2002
12:38 am

... Different speed? Wha? I mean, I'm self-taught, so I might be missing something fundamental, but as far as I knew, a chip with a timer was accurate down...
John Q. Pretentious
johnisaheadcase
Offline Send Email 		Mar 2, 2002
1:57 am

argh!! not this old chestnut again :) - there was actually a long discussion about this some time ago when we were talking about problems with link code.. it...
ninge
n1nge
Offline Send Email 		Mar 3, 2002
10:10 am

Actually, there is a PAL version available too. I just ordered it and am currently waiting for its arrival from lik-sang. Hopefully 50Hz works ok... ...
Ville Vatén
villevaten
Offline Send Email 		Mar 4, 2002
11:54 am

the PAL one has even worse screen jitter as they simply drop every 6th frame - its not very smooth at all, if you can - get the NTSC version, at least that...
ninge
n1nge
Offline Send Email 		Mar 4, 2002
12:25 pm

Hi, My guess is that it'll use the 60Hz mode of the PAL format, like a lot of DreamCast games do. This is not NTSC.. Or else it'll drop 10 frames every second....
Collin van Ginkel
fleppes2001
Offline Send Email 		Mar 4, 2002
12:26 pm
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