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map files


sms2169

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Map files are primarily used with MAME, as the ROMs are typically in the old filename format of 8x3 instead of a long name. Without them, you'd have a hard time distinguishing the names. You probably don't need map files for new systems as they've all come out after the longer filename format has become standardized. If you have short file names, you'll probably need to create your own. Its a simple enough format:

romfile|Game Title

If you are simply wanting to remove extra tags like JP, EU, MOD, !, etc.. just configure GameEx to do that by having it remove things in parentheses () and the like.

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I was trying to use the map file for Nintendo ds to remove the numbers before the game title and it did that in game ex but wont play the game because my ds roms are .nds format and the map file has them all listed as .7z. any suggestions? I can always go through the 6300 roms to do this it will just take a day, thanks

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Map files don't actually need the extension to be specified if i recall, so you could use a utility to bulk remove all instances of ".7z", so instead of:

rom.7z|Game Title

It will read:

rom|Game Title

It's been a long time since i've used any maps though and i'm known for having a iffy memory :P You could try editing just the first couple of entries in the .map (removing the .7z) and see if it works, then you'll know whether or not if it makes a difference :)

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If you're using rar files, do you have the zip/7zip/rar option turned on in the emulator configuration?

It's possible that GameEx map support doesn't reach that far.

The way it should work is you click a rar file in your list and it opens another menu with the extracted contents inside it. You would also set your rom filter to .nds instead of .rar since that's the extension inside the archive.

Your map file should have the rar extension though, I use map files for my 7zip ISOs and it works fine, but my plugin mounts the image before Gameex gets involved.

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Map files don't actually need the extension to be specified if i recall, so you could use a utility to bulk remove all instances of ".7z", so instead of:

rom.7z|Game Title

It will read:

rom|Game Title

It's been a long time since i've used any maps though and i'm known for having a iffy memory :P You could try editing just the first couple of entries in the .map (removing the .7z) and see if it works, then you'll know whether or not if it makes a difference :)

I recently installed GameEx on a new box and went through the whole mapfile relearning process for all my emulators (except Mame - just too many darn files for me to worry about). As I understand it, usage of the pipe ( | ) is an old format. The most recent (and best) format to use is the following format:

Game Name "Game File Name.xxx"

or, for example:

10-Yard Fight (U) [!].nes "10-Yard Fight"

1943 - The Battle of Midway (U) [!].nes "1943 - The Battle of Midway"

1943 - The Battle of Midway (U) [!].zip "1943 - The Battle of Midway"

For those roms that are compressed (zipped/rarred/etc), I have not tried the mapfile without the extension as Dazzle commented. Personally, I like having the full file name for completeness (but that's probably just my too-detailed nature). :)

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Although GameEx recognizes both "GameName.ext" "Display Name" I fail to see that as better, I'm sure it's faster to split the string with the pipe delimiter.

/end my 2c

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I have all my ds roms extracted into a separate folder of just the .nds files so I did not have zip/merge support on because I had them extracted already and just noticed that the map file was a .rar and figured the two conflicted when launching.

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