NDS Rom Sizes

Member

26. June 2006 @ 06:45

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Do nds roms uncompress for use on a memory card to their megabit size?

I see all this stuff about people boasting about their 4 gigaBIT memory cards (512mb).. my question is .... why would you do that. who cares.

say i want to use M3... the rom files are uncompressed?

in comparison to using a LARGE gba flash cart and just having roms in individual .zip files and STILL being able to load them that is. <-- very convenient, I don't have to go w/ the flashcart real sizes.. just a compressed .zip file.

read up and answer the question thanks

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Senior Member

26. June 2006 @ 08:24

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Could you make it more clear what your saying? I'm trying to work out what your asking but it's just confusing.

Member

26. June 2006 @ 08:54

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say i want to use M3... does it have to view the rom files as uncompressed?

say a nds game is 9megs compressed... (perhaps in a zip file), but outside of it the file takes 64megs

i certainly cannot use .zip files w/ the m3, correct?

This message has been edited since posting. Last time this message was edited on 26. June 2006 @ 08:54

Senior Member

26. June 2006 @ 09:02

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It is currently not possible to play DS roms that have been compressed, the M3's gamemanager gowevre, does have the ability to trim roms to make the file size smaller.

Member

26. June 2006 @ 09:04

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okay and that doesn't impair the functionality of some games... does it

Senior Member

26. June 2006 @ 09:08

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A very small selection of games supposedly don't work with the Trim option, but i've never come across any so it owuld be safe to say you won't find many, if any.

Member

26. June 2006 @ 09:13

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alright, i'd like a list of games w/ issues... maybe i'll do it *syke*

with 512MB (4gb) approx how many games u think i can fit on it... oh dumb question, I already see the NDS ROM package sizes

PLENTY!

Senior Member

26. June 2006 @ 09:58

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http://m3wiki.emuparadise.org/index.php/M3_NDS_roms

NDS rom compatibilty with the M3

Member

26. June 2006 @ 10:10

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ALOT of games only work with compact flash

Senior Member

26. June 2006 @ 10:19

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No, thats just from where most of those games have been tested by the same person, who happens to have a CF version. It is safe to assume that if the games work on the CF they will on the SD.

mark5hs

Suspended due to non-functional email address

28. June 2006 @ 08:01

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Quote:
say a nds game is 9megs compressed... (perhaps in a zip file), but outside of it the file takes 64megs

you cant compress something that much. most things you cant compress to half size, let alone a sixth of the size.

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Senior Member

28. June 2006 @ 08:09

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In theory it is possible to compress something that much, but in reality it will never happen.

Basic compression involves removing everything that is repeated and replacing it with a marker, so if in a document you siad 'the' 100 times, it will remove 99 of those and leave a marker saying where they were. if each letter is 1 byte (3 bytes per word), and the word is shortened to just 1 symbol (1 byte) that would be 198 bytes taken off straight away.

It's just most things don't have enough repition to allow for such high compression.

(there obviously other methods of compression, i'm just explaining one)