PS4 [TIP] Creating PS2 emulator patch pkg files

littlebalup

littlebalup

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Creating PS2 emulator patch pkg. Procedure is simple.

First of all, you need to have the .pkg file of your full game you want to patch (the *-A0100-V0100.pkg).
​
Then:

  • Create a new empty folder and name it like "ps2emu_patch".
  • Copy/paste the "sce_sys" folder and "config-emu-ps4.txt" file from your PS2 game folder to your "ps2emu_patch" folder. You can also copy or add the "patch" folder and associated cli.conf files, etc.
  • Edit your copied config-emu-ps4.txt (and/or cli.conf if any) as you want.
  • Edit your copied param.sfo and set the Cathegory to Game Application Patch and the Application Version (APP_VERR) to 1.01 (or upper). Do not change content ID. Save.
  • Open fake PKG generator, File -> new project -> Patch package
  • Double click to the "image" then drag and drop all the files and folders from your "ps2emu_patch" folder.
  • (optional) select all the files and folders of your image -> right click -> enable file compression. Ok.
  • Chunk tab -> right click to the image -> add chunk assignment -> chunk 0
  • Close image setting window.
  • Select Command -> project setting -> package tab.
  • Enter the Content ID (must be the same as your game and SFO) and your Passcode.
  • Select the Patch tab.
  • At "Application package", select your full game package file (the *-A0100-V0100.pkg). then OK.
  • Save your gp4 project file : File -> save as ...
  • Build
 
Last edited:
Im slightly confused?? Is this to patch pkg files we were using for ps4 to be used on the newest ps3 exploit or?? Basically another tutorial on making ps2 games for ps4?
 
JoeAngel said:
Im slightly confused?? Is this to patch pkg files we were using for ps4 to be used on the newest ps3 exploit or?? Basically another tutorial on making ps2 games for ps4?
Click to expand...
Title starting with [PS4] in PS2 on PS4 section. How you connected this thread with PS3xploit? :)

Anyway this is thread about making patches/update pkg files for ps2 emulator. This way we can add someting without rebuilding full pkg.
 
Ahh I didnt see subforum title, I got this from a tweet, and hmm, what is there to add to ps2 titles? they dont have updates or anything? Am I missing a post or something perhaps? Ive created lots of ps2 packages for ps4. Tested and all.
 
JoeAngel said:
Ahh I didnt see subforum title, I got this from a tweet, and hmm, what is there to add to ps2 titles? they dont have updates or anything? Am I missing a post or something perhaps? Ive created lots of ps2 packages for ps4. Tested and all.
Click to expand...
You can add custom configuration to fix game for example. You can add second disc, which can be useful for emulators, or you can change pictures, etc. For me most important is that few persons here can test custom configs without rebuilding and installing full game again. So 10MB instead of 4GB for change config.
 
ransom said:
I dont understand what is it fixing? Ps2 ganes that dont worl on ps4?
Click to expand...
Is not fixing anything. This allow you to create patch 1.01 to game that you previously made. In patch you can add for example new config, new iso, new icons, etc. Is "just" way to add something to package that you already have.
 
I don't understand the steps. I have created PS2 pkg file from iso and There is nothing like "PS2 game folder". So how am i supposed to copy "sce_sys" folder and cli.conf files?
 
:) Hi, I Hope You're Doing Great.
I Have God of War 2005 ISO (NTSC) and I Turn It to FPKG and Install It But Sadlys It Dosen't Work. Then I Find Your God of War 2005 FPKG (PAL) That Patched and Fixed Problems. My First Question is Can I Use https://www.psdevwiki.com/ps4/Talk:PS2_Classics_Emulator_Compatibility_List#God_Of_War Config and Make My God of War 2005 (NTSC) FPKG Work Like Yours or Not. My Second Question is Have Can I Use This Config I Mean Conf file and LUA file. I Find This Page https://www.psx-place.com/threads/ps4-tip-creating-ps2-emulator-patch-pkg-files.16664/ and Just Read the Instruction But I Couldn't Find Have to Change LUA file?
Please Help Me I Don't Anything About This. :cry:
 
there is easier method than this one, i think its time to update this method.

APPS:
PS4 Patch Builder 1.3.2 by Modded Warfare (how to use this program is on his channel)
PS2 FPKG (any apps to make ps2fpkg)

just copy paste this files from your emu. like jak,rogue etc.
>config-emu-ps4.txt
>eboot.bin
>ps2-emu-compiler.self
>your lua patch (optional)
2022-06-27-193539.png



after you created patch pkg of your PS2 GAMES all you need to do is install that using PS4-Xplorer by Lapy (not Debug Installer i think it will not allow you to install lower version number , if you still want to use that just dont forget to change the version number when creating fpkg).

by this method i can prefer so many patch file with different emu inside. downside is you need to manually do this one by one and rename it.(afaik we have a 48 official emu including patch).
most of this files is 14-15mb only


2022-06-27-193344.png

results:
20220627182814.jpg

i tried to patch wild arms 5 37x3 that's why its show 100gb+ but the size is still 3gb.

this will be perfect if Modded Warfare update his app and make a dedicated PS2 Patch Builder with generator of all emu.
 
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