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GBA TV screen tearing   Message List  
Reply | Forward Message #10273 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...

IIUC, it's actually slightly lower - 59.72 hz, I believe. That's from
memory, though, so that number might not be right. Can anyone confirm?

- Fatty
Fri Mar 1, 2002 7:54 pm

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johnisaheadcase
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Forward 		Message #10273 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
Online Now 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
Online Now 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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