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Xbox-Hq.Com :: View topic - Zipped roms
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Osksoldier07
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Post Posted: Sun Aug 16, 2009 12:16 am   
Post subject: Zipped roms
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I was just wondering if it is possible to play roms the are zipped using an emulator.I tried one game but when i selected it, it turned black like it was going to load it and then it went back to the rom select screen.


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dartht33bagger
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Post Posted: Sun Aug 16, 2009 1:57 am   
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Some of the emulators will run zipped roms and some won't. You just have to read the documentation of each emulator or just try to see if they will work.
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deltaarmstrong2000
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Post Posted: Sun Aug 16, 2009 3:55 am   
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Make sure it is zipped, not a rar file, or 7zip. I know a lot of the roms are missing some important files to work almost independently. See if you can find that same rom elsewhere and see if there any extra files to go with it. Unless it is with all the roms for that emulator.


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Osksoldier07
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Post Posted: Sun Aug 16, 2009 1:45 pm   
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so it has to be zip right?


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wes213
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Post Posted: Sun Aug 16, 2009 5:00 pm   
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Yeah bro, zip not rar. Wink


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forahobby
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Post Posted: Mon Aug 17, 2009 2:14 am   
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deltaarmstrong2000 wrote:
Make sure it is zipped, not a rar file, or 7zip. I know a lot of the roms are missing some important files to work almost independently. See if you can find that same rom elsewhere and see if there any extra files to go with it. Unless it is with all the roms for that emulator.


exactly, 7zip/rar is not the same as zip..
Most emulators support .zip roms.

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Osksoldier07
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Post Posted: Wed Aug 19, 2009 4:35 am   
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I just zipped my gba and nes roms and tried them out and they work fine.I was wondering if it is possible to zip ps1 isos.I tried to zip them like i did my other roms but the screen would turn black and stay that way.Please help.Thank you.


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JSP62
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Post Posted: Wed Aug 19, 2009 11:41 am   
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Osksoldier07 wrote:
I just zipped my gba and nes roms and tried them out and they work fine.I was wondering if it is possible to zip ps1 isos.I tried to zip them like i did my other roms but the screen would turn black and stay that way.Please help.Thank you.


Most emulators will work in .zip state. It would help if you were specific as to the emulator you want to know about.

To answer your question regarding PS1 and .iso files, I do not believe you can get the psxbox emulator to recognize .zip. It has to be in .iso format. I have PS1 backups as such. I think psxbox needs to have .cue, .iso and .img filetypes in order to work. Can someone confirm this, its been awhile for me?

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Osksoldier07
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Post Posted: Wed Aug 19, 2009 1:51 pm   
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I was reading the pcsxbox 20.0 and it said that it supported games compressed in gzip format.


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JSP62
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Post Posted: Wed Aug 19, 2009 1:57 pm   
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Osksoldier07 wrote:
I was reading the pcsxbox 20.0 and it said that it supported games compressed in gzip format.


If the 'latest-n-greatest' release can in fact read .zip, then I'll be updated my emulator. I'm actually surprised developers are still releasing updated versions for XBOX1.

I believe I have PSXBOX ver 1.9. Is it really at 20.0 or was that a misprint?

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Osksoldier07
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Post Posted: Wed Aug 19, 2009 11:03 pm   
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yes there is 20.0. i used to have 19 but i switched to 20.And it's not zip it says something about gzip.
Edit:I just figured out that the ps1 games need to be in BIN/CUE format and zipped with gzip.Is there any way to change img games to BIN/CUE?


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wes213
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Post Posted: Thu Aug 20, 2009 11:09 am   
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Yeah bro there are a few free APPs out there that will do img to bin or cue, just google them and pick. Wink


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Osksoldier07
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Post Posted: Thu Aug 20, 2009 1:14 pm   
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This is what it says on readme.

This version does not support real CDs. There are a different set of technical
hurdles involved with PSX cds than with SegaCD and PCE CD/SCD. I was finally
able to get the XBox to read XA sectors, but it reads them much too slowly
for anyone to want to play games using it. (Reads about 2.5KB per second)

For now, create BIN/CUE's of your PSX games and either copy them to your HD or
burn them to DVDR/CDRW. Your BIN and CUE files should have the same names:

For example:

GAMENAME.BIN
GAMENAME.CUE

is a valid combination and

GAMENAME01.BIN
GAMENAME.CUE

is not.

Furthermore, if you use GZIP to compress your BIN image, you will end up with
a filename like

GAMENAME.BIN.GZ

This means that you need to rename your CUE file to be:

GAMENAME.BIN.CUE

or you could rename the GZ file so that the two files are:

GAMENAME.GZ
GAMENAME.CUE

make sense?


-----------------------------------------------------------------------


A note about GZIP'ing your images. Yes, they will work, but you will suffer
a performance hit because there's no "true" direct access to any position in
the file. Let's say the game is reading sectors 1 to 100 - it'll read them
lickity-split, but then when it requests, say, sector 30000 is has to scan through
and do some processing on sectors 100 to 30000 before it can read the data instead
of just jumping directly to that spot and reading. This is the nature of compression.
No, cacheing of data does not help in this case. So, in a nutshell, compression
is supported, but I advise against it unless you run from the HD and have replaced
the standard XBox HD with a faster one.

You can make an XBox ISO with a BIN/CUE image on it, burn it to a disc, run PCSXBox
from the HD, then press the RTHUMB button to get a listing of files on the disc.
This is to make upgrading easier for those who prefer to keep BIN/CUE images
on disc instead of on the HD.


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