(adsbygoogle = window.adsbygoogle || []).push({}); Well all patches that i try to edit gives black screens... before blackops came out i edited 1000 patches but now i forgot i think..

so this is how i do it:

offzip the patch (-a -z -15) go to the .gsc and copy all from the ZLIB encryptions start (xÚ/78 DA) to the end offset of this gsc (FF FF FF FF/yyyy) then save it as blabla.gsc then offzip this too get 00000002.dat i edit it and save it.

now the recompressing:

i make a new file (empty) then open CMD and drag in packzip type: -o 0x00000002 -w -15 (drag in the edited gsc) (drag in the folder where it will be placed) ENTER: then i open the old (unedited) gsc and the new (edited) gsc in HxD editor. in the edited one i type on start 78 DA/xÚ then go all the way down and from the end i put all "00000000......" until this gsc ends.

and the filesize i get from the properties and calculator..

then i save this file open CMD : "drag in Packzip" type: -o 0x0000b4a0 -w -15 "drag in b4a0.dat" "drag in patch_mp.ff


SO WHAT AM I DOING WRONG?

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uhh you should make sure you don't go over the file size when your editing which is 10000 I believe. or 64kb.. Or it could be a the wrong region the patch. or you coudlve missed something big in coding.

Black screen = Bad compressing
But if your struggling to do it this way, edit an xbox patch in .ff viewer then convert using BuCn or Mossy's xbox to ps3 converter