From GameBrew - a wiki dedicated to Video Game Homebrew.
This is a Brainf**k interpreter for the Nintendo DS. DSF is the acronym for DS f**k, the Nintendo DS Brainf**k interpreter. It loads program file from the card.
This was an entry into the Neoflash Coding Contest 2008.
Download and extract file.
DLDI patch it and copy it to the root directory of the card.
All filename must be absolute (starting with the /) for now.
A Brainf**k overview can be read here.