399
edits
Changes
Jump to navigation
Jump to search
Line 4:
Line 4: − + − This is very similiar to NARC (the DS archives).+ − == ARC header ==+ − {| class="wikitable" border="1" − ! Offset !! Size !! Type !! Description − |- − | 0x000 || 4 || char[4] || Magic Number 'darc' − |- − | 0x004 || 2 || uint16 || Endianess (=0xFFFE: Little) − |- − | 0x006 || 2 || uint16 || Header's length − |- − | 0x008 || 4 || uint32 || Unknown (= 0x01000000 ?) − |- − | 0x00C || 4 || uint32 || File's length − |- − | 0x010 || 4 || uint32 || [[ARC#File_table|File table]] offset (from the beginning of the file) − |- − | 0x014 || 4 || uint32 || [[ARC#File_table|File table]] length − |- − | 0x018 || 4 || uint32 || [[ARC#Files_data|Files data]] offset − |} − − === File table === − − The file table starts at 0x01C. − − Each file struct consists of 3 uint32: − {| class="wikitable" border="1" − ! Offset !! Size !! Type !! Description − |- − | 0x00C || 4 || uint32 || Compressed file name offset (from the end of the table, padded to 0x10) − − if (offset & 0x01000000) then this is a folder (i.e. first two nodes 'null' & '.') − |- − | 0x004 || 4 || uint32 || Compressed file offset − |- − | 0x008 || 4 || uint32 || Compressed file length − |} − − * First two nodes in the file table are ‘null’ and ‘.’ both have compressed file length of 7. − − === Files data === − − * Each file is compressed using LZ-10. (Starts with 0x10 and followed by uint24 of the uncompressed file size). − * Each file's end is padded to 0x10 besides the last one which ends with EOF.
no edit summary
== Overview ==
== Overview ==
ARC files are archives. Containers of files compressed with LZ-10 (more compression methods might be available).
ARC files are compressed files.
Found in [[BCMA|manual files] compressed with LZ-10
(more compression methods might be available).