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Old 24 May 2016, 01:35   #1
Leandro Jardim
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Transparent archive decompression for AmigaOS 3.x apps

I have downloaded a pack of Famicom ROMs a while ago, and I would like to load them on an NES emulator for AmigaOS and I am needing a kind of a patch because the ROMs are compressed as .ZIP files and the emulator can't decompress them natively. I want to store the ROMs as ZIP files.

I searched on Aminet but I dont found such a patch. Can anyone recommend a patch for this purpose?
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Old 29 May 2016, 06:07   #2
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maybe DiskExpander can do this. download is one the eab ftp.
it uses the xpk libraries/compressors, which i think should handle zip archives. so you can just test this.
not tested, but the readme says so.
it does compress/uncompress all files on the fly - maybe there is an option just to uncompress.
read the guide or the review above before you are using it

#1) cannot find a xpk ZIP compressor library - gzip bzip2 are on aminet. maybe those are working with zip files. you have to try.

#2) pploadseg - this will uncompress any PowerPacker packed files on the fly - well, you must convert all, your zips into powerpacker files.

#3) xfdpatch from xfdmaster archive does the same as pploadseg - but it does not recognize zip archives ...

#4) xadmaster can handle zip archives - but it has no such loadseg patch

#5) while thinking about it - it my not work with zip archives at all.
bit of work but converting your zips into powerpacker compressed files, is perhaps the best solution.
while it is not about harddrive space, but convenience - this is too much trouble.
but you are free to test what i found above.

Last edited by emufan; 29 May 2016 at 07:14.
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Old 30 May 2016, 00:33   #3
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Thanks emufan your explanation is excellent. What I think is that I will store the files uncompressed then.
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Old 17 February 2019, 06:59   #4
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What do I need for XPK-enabled applications to decrunch GZipped files automatically? I downloaded this xpkGZIP from AmiNet and have put it in "SYS:Libs/compressors" directory but it isn't working. I launched the XPKPrefs and registered the GZip slave with it but it doesn't want to work.

Now I am trying to play a crunched ProTracker music module with HippoPlayer and I configured it's prefs to decrunch XPK-packed files but no game!

Please help me!

Last edited by Leandro Jardim; 17 February 2019 at 13:01.
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Old 17 February 2019, 23:23   #5
Leandro Jardim
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Hmm, I don't know if I am right now but I have read that the XPK libraries are only for crunching files. Is for decrunching that the XFD libraries are for...

But please, I insist, how do I make HippoPlayer to decrunch GZipped modules automatically, since they are many in the Internetz? I could not find a way to make it work. But I think this feature really exists because the HippoPlayer's manual documents it...

Thanks.
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Old 18 February 2019, 12:33   #6
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Do you have http://aminet.net/package/util/pack/xfdmaster installed? If yes, then try to decrunch the files with xfdDecrunch. If that works enable "XFDmaster library" in HippoPrefs -> Loading. Now HippoPlayer should decrunch the files by loading.
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Old 19 February 2019, 03:06   #7
Leandro Jardim
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Quote:
Originally Posted by daxb View Post
Do you have http://aminet.net/package/util/pack/xfdmaster installed? If yes, then try to decrunch the files with xfdDecrunch. If that works enable "XFDmaster library" in HippoPrefs -> Loading. Now HippoPlayer should decrunch the files by loading.
Yes I have installed the "xfdmaster" package. When I try to decrunch the music module with xfdDecrunch it works.

But when I enable "XFDmaster library" in HippoPlayer it don't decrunch the file and displays a requester saying "Unknown file format!".

The file is really a music module because when I load the decrunched file in HippoPlayer it works!

I attached the crunched music module inside a ZIP archive if you would like to test it. The file is inside the archive because the forum doesn't allow to attach *.gz files.

Thanks for your help.
Attached Files
File Type: zip MOD.mama.zip (92.0 KB, 11 views)

Last edited by Leandro Jardim; 19 February 2019 at 03:13.
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Old 19 February 2019, 15:49   #8
daxb
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Sorry, can test it here but maybe someone else. You may start SnoopDos first then try to load the gzip file with HippoPlayer to see what happens.
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Old 19 February 2019, 16:18   #9
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Quote:
Originally Posted by Leandro Jardim View Post
Yes I have installed the "xfdmaster" package. When I try to decrunch the music module with xfdDecrunch it works.

But when I enable "XFDmaster library" in HippoPlayer it don't decrunch the file and displays a requester saying "Unknown file format!".

The file is really a music module because when I load the decrunched file in HippoPlayer it works!

I attached the crunched music module inside a ZIP archive if you would like to test it. The file is inside the archive because the forum doesn't allow to attach *.gz files.

Thanks for your help.
Just tested in my "Classic WB Lite 3.1" .HDF... same issue as you i.e. can manually decompress using "xfddecrunch" and this will obviously play in HippoPlayer.

If I leave the file compressed, enable / save "XFDmaster library" in HippoPrefs and attempt to play this file I get "Unknown file format!".
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Old 19 February 2019, 17:51   #10
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In the Amiga world it is not easy to find .gz files, in any case the .gz archives can be easily unpacked with Unarc.

About HIP Player you could insert xfdDecrunch in Hippo Prefs, but to do this you have to delete one of the three set (LHA,LZX,ZIP)

Last edited by AMIGASYSTEM; 26 February 2019 at 23:48.
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Old 20 February 2019, 09:19   #11
Leandro Jardim
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Quote:
Originally Posted by daxb View Post
Sorry, can test it here but maybe someone else. You may start SnoopDos first then try to load the gzip file with HippoPlayer to see what happens.
Don't worry! I hope everything is well with your life.

Quote:
Originally Posted by DamienD View Post
Just tested in my "Classic WB Lite 3.1" .HDF... same issue as you i.e. can manually decompress using "xfddecrunch" and this will obviously play in HippoPlayer.

If I leave the file compressed, enable / save "XFDmaster library" in HippoPrefs and attempt to play this file I get "Unknown file format!".
Many thanks DamienD, your help was invaluable as always!

Quote:
Originally Posted by AMIGASYSTEM View Post
In the Amiga world it is not easy to find .gz files, in any case the .gz archives can be easily unpacked with Unarc.

About HIP Player you could insert xfdDecrunch in Hippo Prefs, but to do this you have to delete one of the three set (LHA,LZX,ZIP)
Thanks, I am not on AmigaOS 3.9 but I think I will try Voodoo-X here. Thanks for the observation, very kind as always.

Last edited by Leandro Jardim; 20 February 2019 at 09:26.
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