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First try to make an iso of your selfbooting game... create a CDI of your game with discjuggler.
now cdirip it. you'll get 3 files: tdisc.cue, taudio01.wav and taudio02.iso
take note of the LBA of the 2nd track. should be 11700, 11702 or 45000.
now use isofix to "fix" the iso file... "isofix tdata02.iso 11700"
now use isobuster to check your fixed.iso. take note of the LBA of the 1st_read.bin file. extract all the files to an empty dir.
copy the bootfile.bin generated from isofix into that dir.
rename your fixed.iso to original.iso
modify your files (audio, music, ...)
create an iso of your patched game:
mkisofs -C 0,11700 -l -o out.iso GAMEDIR
(replace 11700 with your LBA).
isofix your out.iso:
isofix out.iso 11700
now compare your 1st_read.bin LBA's from original.iso and fixed.iso (your new game iso). Should be the same. if they are, continue.
now bin2boot it:
bin2boot fixed.iso /nohack
burn image.cdi with discjuggler.
hope this helps. this worked for me in skies of arcadia & other games.
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