ROM Hack Can't Decrypt The Binding Of Isaac (CIA)

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Any mods that require Afterbirth won't work, fyi. Rebirth-only.
is it really easy to mod the 3DS version? I have always wanted the 3ds version with the music from the original game before rebirth. do you have a guide on how to mod the 3DS version so I can attempt it myself?
 
is it really easy to mod the 3DS version? I have always wanted the 3ds version with the music from the original game before rebirth. do you have a guide on how to mod the 3DS version so I can attempt it myself?

It's basically the same as the steam version. Once you get inside the romfs - you'll see what I mean by that.

Also, I'm more a fan of the original music too. *hi-five*
 
It's basically the same as the steam version. Once you get inside the romfs - you'll see what I mean by that.

Also, I'm more a fan of the original music too. *hi-five*
awesome, I'll get right on experimenting on that! any push in the right direction on how to do that? This will be my first 3DS rom hacking experience ever. And yes, I love the original music!

oh and what is your avatar from?
 
awesome, I'll get right on experimenting on that! any push in the right direction on how to do that? This will be my first 3DS rom hacking experience ever. And yes, I love the original music!

oh and what is your avatar from?

Prisma Illya. Nice Shiroe, btw.

EDIT: For unpacking, either use one of those romfs rebuilder things (not recommended) or use ctrtool and makerom to unpack/repack.
 
Last edited by chaoskagami,
is it really easy to mod the 3DS version? I have always wanted the 3ds version with the music from the original game before rebirth. do you have a guide on how to mod the 3DS version so I can attempt it myself?
Same format as PC

037ggU2.png
 
Prisma Illya. Nice Shiroe, btw.

EDIT: For unpacking, either use one of those romfs rebuilder things (not recommended) or use ctrtool and makerom to unpack/repack.
I'm guessing I should be looking for a version of the cia that is not cryptofixed?
 
Prisma Illya. Nice Shiroe, btw.

EDIT: For unpacking, either use one of those romfs rebuilder things (not recommended) or use ctrtool and makerom to unpack/repack.
ctrtool keeps instantly closing the moment it opens and does nothing
 
ctrtool keeps instantly closing the moment it opens and does nothing

It's a console tool, not a graphical program. It's displaying the help info and closing.

You may want to use one of those romfs rebuilders instead, then. Just be aware that some of them use old tools and don't produce ideal output (but for private purposes, that probably doesn't much. ^_^)
 
It's a console tool, not a graphical program. It's displaying the help info and closing.

You may want to use one of those romfs rebuilders instead, then. Just be aware that some of them use old tools and don't produce ideal output (but for private purposes, that probably doesn't much. ^_^)
is there a guide explaining how to use it? I also tried dragging the cia onto it and it flashes open again and vanishes (stays open a little longer) but no folder is produced. I'm used to using console tools but I can't seem to find info on how this one should work
 
It prints the file's info with no arguments to the console. Some vague commands that may help if you really want to use ctrtool directly:

Code:
ctrtool --contents=contents file.cia # Extracts the contents (cxi) from a cia file
ctrtool --romfs=romfs.bin contents.whatever # Extracts the romfs image from a cxi
ctrtool --romfsdir=romfs -t romfs romfs.bin # Extracts the romfs in folder from the romfs image
 
I used HackingToolkit3DS to extract the cia and got into the folders now! replaced all the music already with a mod to original-ify the music. I'm going to check out other mods before I attempt to wrap it all back up again.
 
Last edited by Kues,
I did the command for the .cia and all I got were two files "contents.0000" and "contents.0001" how do I get to the actual folder to edit files?

The second command says contents.whatever because the 'whatever' is a number - try running the second command with contents.0000.

I think you'd probably be better off using a GUI tool. Sorry for suggesting the hard way. D:

Good to hear you got it working though.
 
Last edited by chaoskagami,
The second command says contents.whatever because the 'whatever' is a number - try running the second command with contents.0000.

I think you'd probably be better off using a GUI tool. Sorry for suggesting the hard way. D:
I edited the last comment. let me know what you think. I'm now seeing if there are any other mods I want to use. any suggestions?
 
I edited the last message because I figured it out. let me know what you think. any suggested mods?

Hmmm...how about that one that makes tinted rocks shiny gold? Or the charge meter for brimstone. Or improved item descriptions. Or that one that makes unique items look more unique. Basement renovator? IDK. Check moddingofisaac. There's too many.

The only requirements on what can be used:
1) No afterbirth mods
2) missinghud2 will not work. Don't bother.
 
Hmmm...how about that one that makes tinted rocks shiny gold? Or the charge meter for brimstone. Or improved item descriptions. Or that one that makes unique items look more unique. Basement renovator? IDK. Check moddingofisaac. There's too many.

The only requirements on what can be used:
1) No afterbirth mods
2) missinghud2 will not work. Don't bother.
before I attempt to install the cia I'm wondering if this will work with the update? I think there was an update for the 3DS binding
 

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