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#2250 I need help to decompile a Leapster Game Cartridge!
Author:
Date created:
Type: question
Visibility: Everybody
Assigned to:
Labels: FLA export
State: opened Help

> What steps will reproduce the problem? I tried exporting the rest of the insides of the file to SWF/FLA format, but it freezes every time. > What is the expected output? What do you see instead? To get me a decompiled SWF file so the game is playable. > What version of the product are you using? Is it "nightly build"? Which operating system do you have? LeapFrog (Chewy Games) Mr. Pencil Saves Doodleburg for Leapster > Please provide any additional information below. If the problem is related to a SWF file, attach it here, otherwise we can't help you.
Downloadleapster_explorer_mr_pencil_saves_doodleburg_mxic_c276.bin (67,584 KiB)
How did you dump the cartridge
To the original poster willywilkerson1: I don't think it is possible to recover FLA for this. This binary file contains many small like-to-be SWF files, which have unusual structure, unusual SWF tags, in some unknown format. I see some shapes got decompiled properly, but rest of the SWF tags are usually errored or unknown.
State: new→opened
Type: bug→question
Update: I just studied it a bit and found out the file contains 16 0xFF bytes in after each of 0x200 data. These 0xFF bytes break the FFDec reading since they are in the middle of SWFs where they do not belong. It probably comes from flash memory this way. The solution is to remove the 16 bytes 0xFF interleaving from the file. After removing these bytes, you can either open the file in FFDec, or better, you can mount the bin file as filesystem. I did it in WSL Ubuntu: sudo mkdir -p /mnt/img sudo mount -o loop,ro no_interleaved.bin /mnt/img Then you can copy files from /mnt/img. I am attaching the ZIP file of the contents extraxted this way.
DownloadMIP.ZIP (51,324 KiB)