Habe dazu auch noch was gefunden (Quelle: psp-spot.com)
Okay, this is all pretty simple.
To rebuild PSP ISOs, Here's what you need.
A. A copy of WinRAR.
B. A copy of VcdromX 3.6/3.6a (Included)
C. A brain
D. Hands
E. Eyes
F. Ability to READ AND FOLLOW DIRECTIONS.
Collect the nessicary ingrediants.
First, Locate the ISO you wish to rebuild. Open it with WinRAR and extract everything to a directory. For demonstration, we will use C:\PSP\Work\CodedArms\KONAMI
Once everything is extracted, go through and remove the files you don't want. For me, I removed PSP_GAME\SYSDIR\UPDATE\* and PSP_GAME\SYSDIR\EBOOT.BIN
I left everything else as-is. The only file I left in PSP_GAME\SYSDIR\ in this case, was BOOT.BIN
Open up VcdromX 3.6a (included)
A dialog box will come up.
New VCDROM
Filename:
Volume Label
VCDROM Type:
[X] Shown on startup
[OK] [CANCEL]
First, enter a filename. In this example, I used C:\PSP\Work\CodedArms\CodedArms.FCD
Second, enter a volume label (The original disc used "KONAMI" so that's what I put in here. You might need something like isobuster to find this out.)
Third, leave VCDROM Type as it's default value, "Logicraft/IMSI/Microtest VCDROM (*.FCD)"
Press OK.
Now, you have a pretty blank looking window. Open up Windows Explorer, and surf to where you extracted the original ISO. I used C:\PSP\Work\CodedArms\KONAMI\.
Now, drag your edited PSP_GAME folder into the right side of the VcdromX window. ( Name / Size / Ext / Date Time / Source )
Now, drag UMD_DATA.BIN into the window, below PSP_GAME.
Now, click the File Menu at the top of the window, and select Build VCDROM (or press it's shortcut key, Ctrl-B)
Dialog:
VCDROM Extention
This will start to build a VCDROM file.
"C:\PSP\Work\CodedArms\CodedArms.FCD"!
[OK] [CANCEL]
Click OK.
It will chug away, you may monitor the progress in the progress window, and the files being added currently in the bottom of the window.
When it completes, another dialog will appear:
VCDROM Extention
"C:\PSP\Work\CodedArms\CodedArms.FCD" sucessfuly finished!
[OK]
Click OK.
Now, click File Menu at the top of the window, and select Convert File.
Pick a source type of "Logicraft/IMSI/Microtest VCDROM (*.FCD)"
And click the small folder icon near Name in the Source area, and select the file. For this example, I use "C:\PSP\Work\CodedArms\CodedArms.FCD".
Pick a Target type of "ISO9660 CDROM Image (*.ISO)" -- Select Overwrite and rename source if you wish.
If not, You must pick a file destination. I chose "C:\PSP\Work\CodedArms.ISO"
If you manually selected a target file name and did not checkmark Overwrite and rename source, you must now click in the Source area's Name inputbox. (Like copy/paste, but no copy or paste, a single left click will do.)
The Convert button will now light up as being selectable. Click it.
The window will enlarge slightly, showing a progress bar from 1% to 100%. There is no confirmation when it finishes, other than the Convert button becoming unselectable and greyed out again.
You should now have an .ISO containing only the files you wish. Copy it to your PSP, and give it a test.
If it works, great! If it doesn't work, you may have deleted a file that the game needs.
Normally, you can remove pad files, as they contain no information and only exist to push the real data into a faster readzone on the UMD. On a memory stick, they just waste precious space.
Pad files can usually be deleted without problem.
In other cases, you might find .PMF files -- these are in-game movies, or game intros, in some cases. Certain games will not care if you delete the file, it just won't play the movie. Other games require you to REPLACE the file with another .PMF. I suggest using gameboot.PMF from the PSP's internal flash. It's around 200KB.
Certain ISOs don't have padding files, and contain a large amount of empty space (Example: Untold Legends). Simply extracting them and rebuilding the ISO will drop their sizes vastly. (In Untold Legends case, from 815MB to 365MB)
Have fun, save space!
-- Kamilion/ProjectMayhem
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