How To: Extract and use ROM sets (.7z.001, .7z.002 etc.)

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How To: Extract and use ROM sets (.7z.001, .7z.002 etc.)

Postby Kherr » Mon Jan 02, 2012 12:49 am

You'll find on this site that we have multiple rom sets for certain games and consoles here on The Old Computer. One thing you have to know is that you need to have an archive handling program such as 7-Zip or WinRAR in order to use them with your emulators. You'll find these programs at their following links below:

http://www.rarlab.com - WinRAR
http://www.7-zip.org - 7-Zip

These programs can handle multiple ROM sets so you can use them later. Here's how we're going to go about extracting multiple rom sets into usable roms.

First, you need to download ALL of the set in order for this to work. As an example:

ROM SETS.jpg
ROM Sets (picture cut and modified to fit in a small window)


You'll need to download all sets of a particular name in order for it to work properly. You'll notice in the picture that the rom sets both have the same name, except that they end with .7z.001 and .7z.002. This goes for all rom sets, whatever they end with (001, 002, 003 and etc.) will be how many you have to download. So if, for example, you see "GENESIS ROM PACK.7z.001" thru "GENESIS ROM PACK.7z.006" then you're going to need all of them... sets 001 thru 006.

For now, we're going to use the SNES Mega Packs as in the picture above because I need to re-download them anyway. :p

You'll NEED them to be located in the EXACT SAME PLACE. So if they're both in the "Downloads" folder then you're doing it right. For safety reasons, let's create a folder and place all sets in it to make sure the extraction process goes according to plan. Here's what it should look like on your screen (I've used "Tut Examples" as my folder location):

ROM SETS Location.jpg
ROM Sets Location


Now that you have both ROM Sets by themselves in the EXACT SAME DIRECTORY on your computer, you'll need to extract them with either 7-Zip or WinRAR. Since these files are not being recognized by WinRAR, we're going to use 7-Zip for this process.

For safety reasons, the VERY FIRST THING you want to do is to HIGHLIGHT ALL of the sets in a pack. You'll do this by clicking and dragging across all the files you want to extract at the same time. Then you'll right click the FIRST ONE (the 001 file) and pick the 7-Zip selection and then the Extract Files... selection. It'll look like this:

ROM SETS Extraction.jpg
Right-Click 001, then highlight 7-Zip, then select Extract Files...


Once you've clicked on Extract Files... you'll get this:

ROM SETS Extraction Location.jpg
7-Zip extraction window location selection


Notice in it's highlighted location bar it states that it's going to extract to:

"Nintendo-SNES-USA-Mega-Rom-Pack"

This is ok because it will create a folder labled that in the location your rom sets are currently at. I'll show you in a minute what it will look like completely unzipped.

Click the OK button to continue. You'll get a window that looks like this:

ROM SETS Extraction Progress.jpg
ROM Sets Extraction Progress Window


This is the progress that it's reached in extracting your roms. Just let this finish. When it's done, the window will disappear.

You'll end up with this window if done correctly:

ROM SETS Extraction FINISHED.jpg
New Folder Location


Now that you have all of your games extracted, you can now navigate inside to see if further action is required. You'll see here that none of the individual games are extracted, so if your emulator cannot read archived games you'll need to extract these too:

ROM SETS Extraction FINISHED 2.jpg
You'll notice mine have books next to them because WinRAR is recognizing them as archives.


If you have to extract these archives, it's as simple as pressing CTRL+A at the same time (when in the folder) to select all of the archives, and then right-clicking on any of them and again selecting 7-Zip and then Extract Files... to extract them all in one go. This will again create another folder and place all of the extracted games inside it. But you only need to do this if your emulator CANNOT read archived games.

And that's it! You've extracted your games and they are now ready for use with your emulator! Play until your heart's content. :hi:

:ugeek:
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Re: How To: Extract and use ROM sets (.7z.001, .7z.002 etc.)

Postby crustyasp46 » Mon Jan 02, 2012 2:03 am

Thank you, Kherr, even for a dummy like myself who has never used an emulator or downloaded a rom , I think even I could follow this. :good:
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Re: How To: Extract and use ROM sets (.7z.001, .7z.002 etc.)

Postby wukovits » Mon Jan 02, 2012 3:41 pm

Excellent post, hopefully this will do the trick for my issues.

Thanks!!
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Re: How To: Extract and use ROM sets (.7z.001, .7z.002 etc.)

Postby Kherr » Mon Jan 02, 2012 6:18 pm

I hope this fixes your issue wukovits, but if not let me know. I can try to help in another way. :3
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Re: How To: Extract and use ROM sets (.7z.001, .7z.002 etc.)

Postby wukovits » Mon Jan 02, 2012 6:53 pm

It didn't work. I even re-downloaded all three files.
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Re: How To: Extract and use ROM sets (.7z.001, .7z.002 etc.)

Postby Hot Trout » Mon Jan 02, 2012 7:08 pm

Whice roms sets is it that you are trying to download. Maybe there is a problem with it?
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Re: How To: Extract and use ROM sets (.7z.001, .7z.002 etc.)

Postby wukovits » Mon Jan 02, 2012 8:21 pm

Mame-0.37b5; it's a three part archive.
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Re: How To: Extract and use ROM sets (.7z.001, .7z.002 etc.)

Postby Kherr » Mon Jan 02, 2012 10:02 pm

Yea, HT, you may want to check on this for him because I have no idea what's causing his issue. This is a long shot, but is it because wukovits is operating in 64 bit?
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Re: How To: Extract and use ROM sets (.7z.001, .7z.002 etc.)

Postby wukovits » Tue Jan 03, 2012 12:07 am

I am using 64-bit Windows 7 with the 64-bit version of 7zip. Could that cause some sort of issue?
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Re: How To: Extract and use ROM sets (.7z.001, .7z.002 etc.)

Postby Kherr » Tue Jan 03, 2012 3:24 am

I don't think it should, but you never know. 64 bit is still buggy at best, or at least every time I've tried doing something on a 64 bit pc it seems to fuck up running 32 bit programs (unless it's windows 7 ultimate, which I've not had any 32 bit program related problems as of yet, knock on wood). >.>'
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