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83 lines
3.2 KiB
Markdown
83 lines
3.2 KiB
Markdown
---
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lang: ja-JP
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layout: wiki
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section: gbarunner2
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title: GBA BIOS Dumping
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description: How to extract the Nintendo GBA BIOS from your console
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tabs:
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-
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3ds-sd-card: 3DS with open_agb_firm
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gba-flashcart: GBA/DS/DS Lite with a GBA-mode flashcart
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---
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While most GBA emulators have no issue playing GBA games by itself, some emulators and hypervisors, such as GBARunner2, may need the BIOS file to properly playback some titles.
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There are two distinct ways to achieve this, using:
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- a 3DS with custom firmware, OR
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- a GBA/DS/DS Lite with a GBA-mode flashcart
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{% capture tab-3ds-sd-card %}
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### Part 1: Getting the required files
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1. Download [open_agb_firm](https://github.com/profi200/open_agb_firm/releases/latest) (the `.7z` file)
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1. Download [Bios_Dumper.gba](https://github.com/GlaZedBelmont/Random-Stuff/releases/download/0.0.5/Bios_Dumper.gba)
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1. Create a folder named `payloads` inside the `/luma` folder if it does not already exist
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1. Copy `open_agb_firm.firm` from the open_agb_firm `.7z` file to the `/luma/payloads` folder
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1. Copy `3ds` from the open_agb_firm `.7z` file to the root of your SD card
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1. Copy `Bios_Dumper.gba` to the root of your SD card
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1. Reinsert your SD card into your device
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### Part 2: Bios_Dumper
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1. Press and hold <kbd>START</kbd>, and while holding <kbd>START</kbd>, power on your device
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- This will launch open_agb_firm
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- If it loads the `Luma3DS Chainloader`, select `open_agb_firm` from this menu
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- If it loads to something else, you did not copy `open_agb_firm.firm` to the correct folder on your SD card
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1. From open_agb_firm, launch `Bios_Dumper.gba`
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1. The screen will flash red, then it will flash green
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1. Wait for about five seconds
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1. Power off your device
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{% capture upload-bios-text %}
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From your SD card, upload `/3ds/open_agb_firm/saves/Bios_Dumper.sav` here:
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{% endcapture %}
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### Part 3: Unpack the BIOS from the generated save file
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1. Insert your SD card into your computer
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1. {% include bios-shrinker.html text=upload-bios-text %}
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{% endcapture %}
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{% assign tab-3ds-sd-card = tab-3ds-sd-card | split: "////////" %}
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{% capture tab-gba-flashcart %}
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### Part 1: Getting the required files
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1. Download [Bios_Dumper.gba](https://github.com/GlaZedBelmont/Random-Stuff/releases/download/0.0.5/Bios_Dumper.gba)
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1. Copy `Bios_Dumper.gba` to the root of your flashcart's SD card
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1. Reinsert your SD card into your flashcart
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1. Reinsert your GBA flashcart into your cartridge
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### Part 2: Bios_Dumper
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1. Launch your flashcart, then launch `Bios_Dumper.gba`
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1. The screen will flash red, then it will flash green
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1. Wait for about five seconds
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1. Power off your device
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{% capture upload-bios-text %}
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From your SD card, upload `Bios_Dumper.sav` here:
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{% endcapture %}
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### Part 3: Unpack the BIOS from the generated save file
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1. Insert your SD card into your computer
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1. {% include bios-shrinker.html text=upload-bios-text %}
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{% endcapture %}
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{% assign tab-gba-flashcart = tab-gba-flashcart | split: "////////" %}
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{% assign tabs = tab-3ds-sd-card | concat: tab-gba-flashcart %}
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{% include tabs.html index=0 tabs=tabs %}
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A `bios.bin` file will automatically download. This is the final GBA BIOS file.
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{:.alert .alert-success}
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<script src="https://geraintluff.github.io/sha256/sha256.min.js"></script>
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<script src="/assets/js/bios-shrinker.js"></script>
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