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54 lines
4.0 KiB
Markdown
54 lines
4.0 KiB
Markdown
---
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lang: en-US
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layout: faq
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section: nds-bootstrap
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title: FAQ & Troubleshooting
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long_title: nds-bootstrap FAQ & Troubleshooting
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description: FAQ & Troubleshooting for nds-bootstrap
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---
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#### Why do I get a white screen when trying to load a game from SD card?
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- First, check the [the nds-bootstrap compatibility list](https://docs.google.com/spreadsheets/d/1LRTkXOUXraTMjg1eedz_f7b5jiuyMv2x6e_jY_nyHSc/htmlview#gid=0) and make sure your game is compatible
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- Try with all cheats disabled for that game as some cheats are not compatible with nds-bootstrap at the moment, you can use <kbd class="l">L</kbd> to disable all cheats for a game
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- If it worked before, delete the `fatTable` and `patchOffsetCache` folders in `sd:/_nds/nds-bootstrap/`
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#### nds-bootstrap troubleshooting
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If you get issues with using the latest version of nds-bootstrap, here's how you could troubleshoot it.
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1. Run the game with different settings, including changing the ARM9 CPU Speed, DS/DSi Mode, sound quality, Card Read DMA, etc
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2. Delete the `fatTable` and `patchOffsetCache` folders in `sd:/_nds/nds-bootstrap/`
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3. It's probably not that big of an issue; ask in the [Discord server](https://discord.gg/yD3spjv)
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If the server says it's an nds-bootstrap issue, check if the game hasn't been reported already on GitHub. Check the closed issues too in case we had one issue closed in preference a different one. If it doesn't have any GitHub issue attached to it, go ahead and make a new one.
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Also, make sure you add it to the [compatibility list](https://wiki.ds-homebrew.com/nds-bootstrap/testing) on Google Sheets.
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#### Why doesn't multiplayer work?
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This is a [known issue](https://github.com/DS-Homebrew/nds-bootstrap/issues/553) with cloneboot. Please wait for a fix.
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#### Why are there issues with ROM loading, even though they're run natively?
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nds-bootstrap patches the ROM functions to run from an SD card, as the ROMs are hardcoded to read from Slot-1. There are also timing issues and AP measures (which most are already removed), both of which would cause the ROMs to not work properly. To improve performance, nds-bootstrap also shrinks the game's heap in memory, which breaks some games, though both the forwarders and TWiLight Menu++ have a heap shrink blacklist to fix the non-working games broken by heap shrink.
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#### Why use nds-bootstrap over a regular flashcard?
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- Certain compatible ROMs are loaded into RAM, allowing for load times to be faster than even normal cartridges
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- You can expand the VRAM memory bus to 32-bit
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- Utilize the DSi's additional CPU speed, allowing for better performance in some games
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- Enhance your audio with 48 kHz
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- Use DSi mode, allowing for DSi features
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- Using certain cartridges, you are able to use IR in your application
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- nds-bootstrap is open source, meaning developers can always update it to fix bugs and other things, even if the project gets discontinued
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- The DS Memory Expansion Pak is emulated, meaning games that require that accessory will work
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- Swap top and bottom screens in compatible games for more comfortable gameplay, or on systems with a broken or removed screen
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#### Donor ROMs
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Most SDK5 games can be selected as a Donor ROM (which can be done via TWiLight Menu++). The Donor ROM's ARM7 binary is copied by nds-bootstrap and replaces the ARM7 binary for the game that it is trying to run. This allows certain and SDK5 games to boot and save.
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#### What is a nightly and where do I get it?
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A nightly build is build for the latest commit. Nightly builds may be unstable, but has the most recent bugfixes added. You can get nightly builds for nds-bootstrap [here](https://github.com/TWLBot/Builds/raw/master/nds-bootstrap.7z).
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#### Why do my cheats not work?
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The way E cheat types are implemented in nds-bootstrap is broken, meaning they'd only work half of the time. Your cheat probably uses that type. It is not a fault of the cheat database, but rather a fault of nds-bootstrap. Please do not request these cheats to get deleted from the DB.
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For more info on cheats, look [here](https://wiki.ds-homebrew.com/ds-index/retail-roms#action-replay-cheats).
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