ROM Hack How to decompress arm9 boot code at 0x4000 ?

[zxl777]

How to decompress arm9 boot code at 0x4000 ?

i know some nds rom's arm9.bin is compressed by lzss

but i want to know how to decompress this arm9.bin ,

how to get the decompress size

how to get the begin address with the lzss pack?

 

[Dirtie]

gbadev.org would be a much more suitable place for that question - the majority of people around here no nothing about the technical side of the NDS