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60 lines
2.2 KiB
Markdown
60 lines
2.2 KiB
Markdown
---
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title: Dump Games
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language: en
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layout: default
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created: 2009-03-15 14:41:43 +0100
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updated: 2009-03-23 01:04:47 +0100
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toc: false
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tags:
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- know-how
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- hacking
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- hardware
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- nintendo
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- gaming
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---
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Dumping game cartridges is done the same way like [dumping savegames]({% post_url 2009-03-15-backup-savegames %}).
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EZFlash 3in1 method
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===================
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The only difference here is that you might have to swap the cartridges more often since the Flash memory of the [EZFlash 3in1]({% post_url 2009-03-15-ezflash-3in1 %})
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is only 32 MiB and some games are up to 128 MiB in size.
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There's a nice tutorial with pictures at [monroeworld.com](http://www.monroeworld.com/myfaq/index.php?action=artikel&cat=7&id=129&artlang=en).
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Here are some estimated times for dumping different sized game cartridges (copied from that page):
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| Game size | Number of passes | est. time needed |
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|----------:|:-----------------|-----------------:|
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| 4 MiB | 1 pass | 2min 30sec |
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| 8 MiB | 1 pass | 3min 15sec |
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| 16 MiB | 1 pass | 4min 45sec |
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| 32 MiB | 1 pass | 9min 30sec |
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| 64 MiB | 2 passes | 14min 15sec |
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| 128 MiB | 4 passes | 19min 00sec |
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| 256 MiB | 8 passes | 38min 00sec |
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Wi-Fi method
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============
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Be warned that the Wi-Fi transfer speed is somewhat "limited". Dumping a 128 MiB game takes almost **2 hours**. So make
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sure your NDS is connected to its power adaptor.
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ROM Trimming
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============
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Game cartridges have the typical memory ICs in binary sizes (8, 16, 32, 64, 128, 256 MiB) although the game often
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doesn't occupy the whole memory. That means if a game is 35 MiB in size, it is shipped on a 64 MiB cartridge. When
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dumping, you'll dump the whole 64 MiB although the last 29 MiB are empty (filled with `0x00`). So you can save a lot of
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space if you trim a ROM down to the real size.
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<p><div class="notewarning">
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Games which use the WiFi feature mostly store their connection info in this empty space so using the wrong program to trim a ROM will break online capability of games.
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</div></p>
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A good trimmer is [NDSTokyoTrim](http://techsuki.net/nintendo-ds-rom-trimmer/) which can detect WiFi-games and leaves
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the space for their settings.
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