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# gcdumptool
Nintendo Switch Game Card Dump Tool
Main features
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* Generates XCI cartridge dumps (with optional certificate removal and optional trimming).
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* CRC32 checksum calculation for XCI dumps.
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* Full XCI dump verification using XML database from nswdb.com (NSWreleases.xml).
* XCI dump renaming based on the XML database from nswdb.com (NSWreleases.xml).
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* Precise HFS0 raw partition dumping (using the root HFS0 header from the game card).
* Partition filesystem data dumping.
* Partition filesystem browser (with manual file dump support).
* Manual game card certificate dump.
* Free SD card space checks in place.
* File splitting support for all operations, using 2 GiB parts.
* Game card Title ID and Control.nacp retrieval support using NCM and NS services.
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* Dump speed and ETA calculation.
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Thanks to
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* MCMrARM, for creating the original application.
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* RSDuck, for their vba-next-switch port. It's UI menu code was taken as a basis for this application.
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* Foen, for giving me some pretty good hints about how to use the NCM service.
* Yellows8, for helping me fix a silly bug in my implementation of some NCM service IPC calls.
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* Bj<42> rn Samuelsson, for his public domain CRC32 checksum calculation for C (crc32_fast.c).
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* The folks from ReSwitched, for working towards the creation of a good homebrew ecosystem.
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Changelog
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**v1.0.4:**
* exFAT mode turned on by default.
* Replaced padding option with a trim output dump option (same as XCI-Cutter).
* Added dump speed and ETA calculation.
* Added XCI dump verification using XML database from nswdb.com (NSWreleases.xml). The file must be saved to the SD card root directory. Also, keep in mind that dump verification is only performed if you choose to create a full dump (with or without cert), not a trimmed one.
* Made CRC32 checksum calculation + XCI dump verification a configurable option.
* Output XCI dumps will get renamed to their corresponding Scene release if a match is found using the XML database from nswdb.com (e.g. "sdmc:/0100000000010000_20180625-234930.xci" -> "sdmc:/Super.Mario.Odyssey.NSW-BigBlueBox.xci").
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**v1.0.3:**
* Made the 0xFF padding feature a configurable option.
* Added CRC32 checksum calculation for XCI dumps.
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**v1.0.2:**
* Fixed a silly bug in the file splitting code.
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**v1.0.1:**
* Minor UI fixes and tweaks.
* Added some missing Title ID checks in uiLoop().
* All calls to uiStatusMsg() are now properly identified.
* Increased wait time to 2 seconds when a new gamecard is detected.
**v1.0.0:**
Initial release.
