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System RPL Files
Description
RPL files are code, that can be used by games or Wii U applications.
Dumping
The correct path to system RPLs inside Wii U is:
storage_slc/sys/title/00050010/1000400a/code
You can find other copies of those files in the Wii U but they are just backups or old versions of the system.
You can use ftpiiu_anywhere to dump the files you want from your Wii U. You can follow the online guide but in the end copy the files from the folder above.
Loading
Cemu normally emulates the system RPLs in high level.
To force cemu to load a system rpl file instead of emulating it, place the file directly in a folder named cafeLibs
inside your cemu folder.
Make sure "Load Shared Libraries" is set in the game profile.
- Some older profiles erroneously disabled these, and the disabled state carries over to the custom profile file.
Tested files
These below are the files tested and known to work. Other files probably will just lead to games crashing on boot.
filename | usage | size in bytes | cemu version |
---|---|---|---|
snd_user.rpl |
Extended sound effects for Sound driver 1 | 84,032 | 1.11.5+ |
snduser2.rpl |
Extended sound effects for Sound driver 2 | 111,360 | 1.11.5+ |
nn_sl.rpl |
Title management for Home Menu, doesn't really do anything | 403,904 | ? |
swkbd.rpl |
Software keyboard (Title data required) | 1,116,288 | ? |
nsyskbd.rpl |
Keyboard driver for software keyboard | 20,416 | ? |
erreula.rpl |
Error System Applet (Title data required) | 790,080 | ? |
- The sound files can make sound work in Dr. Luigi, and some other games, and N64 VC
- The keyboard files make name entry work in Pokkén Tournament.
- All files except for erreula are required to boot Monster Hunter 3 Tri G(JP)
- The swkbd.rpl being present will crash Cemu if the corresponding Title files for the Software Keyboard are not present in mlc01\sys\title\0005001b\1004F000
- The erreula.rpl being present will crash Cemu if the corresponding Title files for the ErrEula are not present in mlc01\sys\title\0005001b\10051000