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PostPosted: Mon May 30, 2016 7:46 pm 

Joined: Thu Jan 07, 2016 12:40 am
Posts: 4
Friends all right.
Help would you with a .arc file Megaman X4.
I know Biofat, makes the function to extract these files, your ma can not use this tool in Windows 8.1.
The texts use a table 16bit and LZ compression, do not know if it's LZS or LZ0.
I would be very grateful if someone get a script bms for the extraction of these files.

file header
Offset 0 1 2 3 4 5 6 7 8 9 A B C D E F

00000000 10 00 00 00 00 28 0C 00 A0 09 00 00 00 09 00 00 .....(...... ...


Attachments:
PL00_U.7z [468.27 KiB]
Downloaded 46 times
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PostPosted: Tue Jun 07, 2016 3:59 am 

Joined: Thu Jan 07, 2016 12:40 am
Posts: 4
Could anyone help me with these files?


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PostPosted: Tue Jun 07, 2016 7:12 am 
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Joined: Wed Jul 30, 2014 9:32 pm
Posts: 7262
http://aluigi.org/bms/megaman_x4.bms


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PostPosted: Wed Jun 08, 2016 10:05 pm 

Joined: Thu Jan 07, 2016 12:40 am
Posts: 4
aluigi wrote:
http://aluigi.org/bms/megaman_x4.bms


Aluigi you're a genius, thank you very much the same.
I tried to learn the bms but I could not see what people do with a great ease ..
I will do the test and contribute tools in Java or C #, thank you man.


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PostPosted: Thu Jun 09, 2016 9:32 am 
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Joined: Wed Jul 30, 2014 9:32 pm
Posts: 7262
It's very simple, the format stores only the size of the files so we have to calculate the offset.
The offset of the file is aligned/padded at 0x800 (2048) so if our TOC (the table with the information of the files) terminates at offset 0x10 then the files will start at 0x800, while if it terminates at offset 0x920 it will start at 0x1000 and so on.
So get the size, dump the file at the current offset, add size to offset, align offset to 0x800 and continue.
That's all.


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PostPosted: Thu Oct 05, 2017 3:13 am 

Joined: Fri Jul 07, 2017 1:01 pm
Posts: 3
Hi. I know that this is old topic but could someone help me with this?

I used quickbms, load the megaman_x4 script and then selected an .ARC file. The output was many .DAT files.
What I should do with them now?

Thanks.


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