XCI-Cutter tool (Windows)

Joe88 · May 21, 2018

natanelho said:
isnt it the same thing that any compression algorithm do? im pretty sure that putting it in 7z archive would give similar result

A backup loader wont run a 7z file, though I really dont know if they will load these files either
just have to wait and see

Deleted User · May 21, 2018

Joe88 said:
A backup loader wont run a 7z file, though I really dont know if they will load these files either
just have to wait and see

then... whats your point? it's only made for storing the files...

--------------------- MERGED ---------------------------

MHDestination said:
No it's not.

A compressed file would be even smaller, but you won't be able to
use an archive (zip/rar/7z ...) in a backuploader

you will probably not be able to use this im a backup loader too

Joe88 · May 21, 2018

natanelho said:
then... whats your point? it's only made for storing the files...

--------------------- MERGED ---------------------------

you will probably not be able to use this im a backup loader too

to save space of the microsd card where you will play your xci backups on the switch, you can see the huge amount of space that was saved from thequickbrownfox's post

Deleted User · May 21, 2018

Joe88 said:
to save space of the microsd card where you will play your xci backups on the switch, you can see the huge amount of space that was saved from thequickbrownfox's post

...yes... exactly the reason why I always use 7z archieving

GerbilSoft · May 21, 2018

natanelho said:
you will probably not be able to use this im a backup loader too

This program trims the blank area of the cartridge dump, which is usually all 0xFF bytes and is not read by the system.

I see no reason why a trimmed dump shouldn't work on Switch.

jfosheezy · May 21, 2018

Just opened and checked the files I had locally.

Unknown if working afterwards of course but here are some file names.

Lego.City.Undercover.USA.PROPER.NSW-BigBlueBox - 15,232.00MB -> 7,691.69MB

Cave.Story.plus.USA.PROPER.NSW-BigBlueBox - 1,904.00MB -> 519.59MB

Mario.plus.Rabbids.Kingdom.Battle.PROPER.NSW-BigBlueBox - 3808.00MB -> 2774.49MB

Pokken.Tournament.DX.PROPER.NSW-BigBlueBox - 3808.00MB -> 3708.13MB

Super.Bomberman.R.PROPER.NSW-BigBlueBox - 3808.00MB -> 2325.75MB

Kirby Star Allies - bbb-h-ah26a.xci - 3808.00MB -> 3324.01MB

Sonic Forces USA NSW-BigBlueBox - 7616.00MB -> 7078.05MB

The Elder Scrolls V Skyrim NSW-BigBlueBox - 15232.00MB -> 15032.16MB

Resident.Evil.Revelations.NSW-BigBlueBox - 15232.00MB -> 12714.82MB

I.Am.Setsuna.PROPER.NSW-BigBlueBox - 1904.00MB ->1720.79MB

DOOM.NSW-BigBlueBox - 15,232.00MB -> 14,363.42MB

GGUN2BY3DSPARADISE - 3808.00MB -> 3604.16MB

Batman.The.Telltale.Series.NSW-BigBlueBox - 7616.00MB -> 6641.70MB

1.2.Switch.PROPER.NSW-BigBlueBox - 1904.00MB -> 1796.99MB

Rayman.Legends.Definitive.Edition.PROPER.NSW-BigBlueBox - 3808.00MB -> 3365.59MB

Dragon.Ball.Xenoverse.2.PROPER.NSW-BigBlueBox - 7616.00MB -> 6944.24MB

Disgaea.5.Complete.EUR.PROPER.NSW-BigBlueBox - 7616.00MB -> 6798.58MB

Xenoblade.Chronicles.2.NSW-BigBlueBox - 15232.00MB -> 13698.64MB

Snipperclips.Plus.Cut.it.Out.Together.NSW-BigBlueBox - 1904.00MB -> 1573.36MB

Monopoly.NSW-BigBlueBox - 3808.00MB -> 3333.05MB

Nintendo.Labo.ToyCon.02.Robot.Kit.NSW-BigBlueBox - 1904.00MB -> 1434.69MB

South.Park.The.Fractured.But.Whole.NSW-BigBlueBox - 15232.00MB -> 14860.39MB

FIFA.18.NSW-BigBlueBox - 15232.00MB -> 14005.60MB

NBA.2K18.NSW-BigBlueBox - 7616.00MB -> 7384.67MB

Total Before trim = 180,880MB (180.88GB)

Total after trim = 156694.56MB (156.69GB)

Saved = 24.19GB

Impressive. Really hope trimming will be supported

Deleted User · May 21, 2018

GerbilSoft said:
This program trims the blank area of the cartridge dump, which is usually all 0xFF bytes and is not read by the system.

I see no reason why a trimmed dump shouldn't work on Switch.

sometimes systems check if the file is trimmed. I read somewhere that some ds games checked the empty places im the rom as a way to prevent piracy. not that it will help in the long run, but in the short-term it might not (i'd even say won't) work with backup loaders.

MHDestination · May 21, 2018

natanelho said:
then... whats your point? it's only made for storing the files...

--------------------- MERGED ---------------------------

you will probably not be able to use this im a backup loader too

We don't know yet.
But the chance that it'll work is quite high.

The filestructure isn't changed at all.
The only possibility that these files don't work is if nintendo implemented an
function to check the actual modulesize.

But i'm quite sure that they just read the size by checking the header.

Deleted User · May 21, 2018

MHDestination said:
We don't know yet.
But the chance that it'll work is quite high.

The filestructure isn't changed at all.
The only possibility that these files don't work is if nintendo implemented an
function to check the actual modulesize.

But i'm quite sure that they just read the size by checking the header.

I wouldnt say that the chances are high. we will need to implement some algorithm that returns ff each time the game tries to acess unused space. it might be simple but its code that would need to run besides the game itself. again, some games on previous consoles used the unused space as intended behavior or even just checked if some adresses are ff. its not that nintendo made them. its extremely simple to implement that in-game...

GerbilSoft · May 21, 2018

natanelho said:
I wouldnt say that the chances are high. we will need to implement some algorithm that returns ff each time the game tries to acess unused space. it might be simple but its code that would need to run besides the game itself. again, some games on previous consoles used the unused space as intended behavior or even just checked if some adresses are ff. its not that nintendo made them. its extremely simple to implement that in-game...

Assuming it's like 3DS (and it probably is, given the reuse of the 3DS OS): Games can't access cartridges on a sector-by-sector level. They can only request access by filename.

This is part of the reason why you need ARM9 homebrew to dump DS/3DS cartridges on 3DS. The ARM11 can't access the cartridge directly; it can only request files.

MHDestination · May 21, 2018

natanelho said:
I wouldnt say that the chances are high. we will need to implement some algorithm that returns ff each time the game tries to acess unused space. it might be simple but its code that would need to run besides the game itself. again, some games on previous consoles used the unused space as intended behavior or even just checked if some adresses are ff. its not that nintendo made them. its extremely simple to implement that in-game...

Again: we don't know (yet) if such a check exists.

If it does: No problem. Just restore the removed sectors.

If not: Profit!

Doesn't hurt anyone

And by using a cfw / backuploader, it won't be hard to patch out such checks.

Deleted User · May 21, 2018

GerbilSoft said:
Assuming it's like 3DS (and it probably is, given the reuse of the 3DS OS): Games can't access cartridges on a sector-by-sector level. They can only request access by filename.

This is part of the reason why you need ARM9 homebrew to dump DS/3DS cartridges on 3DS. The ARM11 can't access the cartridge directly; it can only request files.

oh I didnt know that... that sounds reasonable. but then it means on the cart itself theres a pretty complex processor to handle all that..?

SirNapkin1334 · May 21, 2018

jfosheezy said:
Just opened and checked the files I had locally.

Unknown if working afterwards of course but here are some file names.

[snip]

Total Before trim = 180,880MB (180.88GB)

Total after trim = 156694.56MB (156.69GB)

Saved = 24.19GB

Impressive. Really hope trimming will be supported

Maybe put those in a spoiler?

jfosheezy · May 21, 2018

SirNapkin1334 said:
Maybe put those in a spoiler?

jakkal · May 21, 2018

i hope this works
i have over 400gb worth of switch games. trimming those down will save me a whole lot of space

comput3rus3r · May 21, 2018

jakkal said:
i hope this works
i have over 400gb worth of switch games. trimming those down will save me a whole lot of space

what firmware are you on?

jakkal · May 21, 2018

comput3rus3r said:
what firmware are you on?

one on 3.0.0 an one on the latest firmware

comput3rus3r · May 21, 2018

jakkal said:
one on 3.0.0 an one on the latest firmware

so i'm assuming your using TX on the updated one.

Zumoly · May 21, 2018

I don't get the blank data part!?
Why require 10 GB if the actual game data is 5 GB?
Anyway great tool! I just hope trimming and getting rid of the original won't be an issue later.

jakkal · May 21, 2018

comput3rus3r said:
so i'm assuming your using TX on the updated one.

nope
gonna use tx on the 3.0.0 one. im going to update it just for "backups"
i dont care much about homebrew, which will be ported to 5.x soon anyway

my main system will never see homebrew

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