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012bf2fec275010dc5ca5f6917b4cdaaeb799087
libretro/emulators/virtual-virtual-boy.yml
T
Abdessamad Derraz e42d0815c1 feat: add thirty emulator profiles and their data 
Thirty profiles from the ES-DE batch, each source-verified by the
session that wrote it and passing the schema and semantic checks. Five
declare no files at all and say why in notes referenced to the code:
NGP.emu, openbor, Plastic, Swan.emu and XeniOS.

Twenty-eight files come with them, every one declared by the profile
that needs it and matching the hash it declares, with no duplicate of
anything already held: the NetherSX2 Turnip Classic assets, the Speccy
machine ROMs, the Virtual Boy homebrew the app bundles, Snes9x EX+'s
bundled game, and sixtyforce's Overrides.plist, which carries a size
and no hash because the binary never checks one.

supermodel gains the four data files it reads from its install tree,
hakux marks its controller map unsourceable now that the asset manager
is known to read inside the package, and nethersx2 sheds the two core
aliases that belong to the Turnip profiles.
2026-08-23 09:05:35 +02:00

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emulator: Virtual Virtual Boy
type: standalone
core_classification: other
source: "https://github.com/SupernaviX/vvb"
upstream: "https://github.com/SupernaviX/vvb"
author: "Simon Gellis"
profiled_date: "2026-08-12"
source_commit: "0bf230bced628d78ff2c149baaf16f6fb8388cec"
upstream_commit: "0bf230bced628d78ff2c149baaf16f6fb8388cec"
core_version: "1.18.2"
display_name: "Nintendo - Virtual Boy (Virtual Virtual Boy)"
mode: standalone
cores:
- virtual-virtual-boy
- VIRTUAL-VIRTUAL-BOY
- vvb
- com.simongellis.vvb
- com.simongellis.vvb.leia
systems:
- nintendo-virtualboy
notes: |
Virtual Boy emulator for Android, published as com.simongellis.vvb
(app/build.gradle:62,65-66) and reached by ES-DE through its
VIRTUAL-VIRTUAL-BOY find rule, which hands the game over as an ACTION_VIEW
intent on a content URI (MainActivity.kt:126-131, MainActivity.kt:40-45). The
hardware sits in a Rust library packaged as libvvb.so and loaded when the
application starts (VvbApplication.kt:69, Cargo.toml [lib]); the Kotlin side
owns the menus, the input mapping and every file access. Display goes through
mono, anaglyph, stereo, Google Cardboard and Leia CNSDK renderers, each
carrying its GLSL as string constants in the Rust sources
(src/video/renderers/mono.rs:10-26, src/video/renderers/stereo.rs:13-29).
The console has no boot ROM and the emulator loads none. The memory map
declares Vram, Audio, Hardware, Dram, Sram and Rom, and load_game_pak takes
the cartridge image and its SRAM, leaving the Rom region unpopulated until a
game arrives (src/emulator/memory.rs:8-14, src/emulator/memory.rs:115,
src/emulator/memory.rs:134-149).
Games are read from .vb, .vboy and .bin, or from the first member of a zip
answering the same test (GamePakLoader.kt:20-27, GamePakLoader.kt:97-98). The
image has to be a power of two and at most 0x01000000 bytes, either test
aborting the load (GamePakLoader.kt:39-45, GamePakLoader.kt:57), and the core
applies the same two limits again when the image reaches it
(src/emulator/memory.rs:136-141). The MD5 of the image names the directory
that holds the save data, where the app writes .srm and
save_states/<slot>.sav as it runs (GamePakLoader.kt:30-32,
GamePak.kt:8-9,30, src/emulator/state.rs:30-38). Cardboard lens parameters
come from scanning the viewer QR code and are kept by the SDK, the app asking
for them and starting a scan when none are saved
(src/video/renderers/cardboard.rs:29-34).
One tree ships two flavours: playStore, and leia, which appends .leia to the
application id and renders through the CNSDK (app/build.gradle:92-100). Both
carry the same nine homebrew titles, stored uncompressed so they can be opened
by descriptor (app/build.gradle:117).
files:
# -- Bundled homebrew, assets/games, listed by res/raw/bundledgames.json --
# Each title is served over content://com.simongellis.vvb.assets and then read
# through the same path as a user game, so the power of two and 0x01000000
# tests apply to it. The id an entry declares is the MD5 of the image.
# Common refs: BundledGameRepository.kt:9-13, AssetsProvider.kt:18-19,
# GamePakLoader.kt:35-49.
- name: "BLOX.vb"
path: "games/BLOX.vb"
system: nintendo-virtualboy
required: false
bundled: true
category: game_data
md5: f82d4c9fdd81518537d88f70c6602bb5
sha1: f2105349dff09bdc00e4548460991dde9ac7c2af
max_size: 16777216
validation: [size]
description: "Bundled homebrew game by KR155E"
source_ref: "app/src/main/res/raw/bundledgames.json:2-7, app/src/main/java/com/simongellis/vvb/data/BundledGameRepository.kt:9-13, app/src/main/java/com/simongellis/vvb/AssetsProvider.kt:18-19, app/src/main/java/com/simongellis/vvb/game/GamePakLoader.kt:35-49"
- name: "BLOX 2.vb"
path: "games/BLOX 2.vb"
system: nintendo-virtualboy
required: false
bundled: true
category: game_data
md5: cc91d6389df2c9777919e8e8ab2c0e66
sha1: 66b2a25ef8e1af74bed4bbba4785951a9d6edce0
max_size: 16777216
validation: [size]
description: "Bundled homebrew game by KR155E"
source_ref: "app/src/main/res/raw/bundledgames.json:8-13, app/src/main/java/com/simongellis/vvb/data/BundledGameRepository.kt:9-13, app/src/main/java/com/simongellis/vvb/AssetsProvider.kt:18-19, app/src/main/java/com/simongellis/vvb/game/GamePakLoader.kt:35-49"
- name: "Elevated Speed.vb"
path: "games/Elevated Speed.vb"
system: nintendo-virtualboy
required: false
bundled: true
category: game_data
md5: 8f7bcfdd0f412d9060b06a97a89fe202
sha1: 8b08f08f37127621483aa4e204a3e3b2312af196
max_size: 16777216
validation: [size]
description: "Bundled homebrew game by PizzaRollsRoyce"
source_ref: "app/src/main/res/raw/bundledgames.json:14-19, app/src/main/java/com/simongellis/vvb/data/BundledGameRepository.kt:9-13, app/src/main/java/com/simongellis/vvb/AssetsProvider.kt:18-19, app/src/main/java/com/simongellis/vvb/game/GamePakLoader.kt:35-49"
- name: "Fishbone.vb"
path: "games/Fishbone.vb"
system: nintendo-virtualboy
required: false
bundled: true
category: game_data
md5: 61e38e4e0c43aa8d6274a89ebedd3063
sha1: b1e5d5ab7e49f91050d3593bbcf48ff609c1c979
max_size: 16777216
validation: [size]
description: "Bundled homebrew game by thunderstruck"
source_ref: "app/src/main/res/raw/bundledgames.json:20-25, app/src/main/java/com/simongellis/vvb/data/BundledGameRepository.kt:9-13, app/src/main/java/com/simongellis/vvb/AssetsProvider.kt:18-19, app/src/main/java/com/simongellis/vvb/game/GamePakLoader.kt:35-49"
- name: "Formula V Public Demo.vb"
path: "games/Formula V Public Demo.vb"
system: nintendo-virtualboy
required: false
bundled: true
category: game_data
md5: 34e9a2ffd60f7ea565caada82d57f29f
sha1: 533672b887ec16aa50a5508488d1ab125dd5e749
max_size: 16777216
validation: [size]
description: "Bundled homebrew game by KR155E"
source_ref: "app/src/main/res/raw/bundledgames.json:26-31, app/src/main/java/com/simongellis/vvb/data/BundledGameRepository.kt:9-13, app/src/main/java/com/simongellis/vvb/AssetsProvider.kt:18-19, app/src/main/java/com/simongellis/vvb/game/GamePakLoader.kt:35-49"
- name: "Red Square.vb"
path: "games/Red Square.vb"
system: nintendo-virtualboy
required: false
bundled: true
category: game_data
md5: 9c372321204b9fa65f9324f98aae53ff
sha1: a12529a0d7cf7f0711b913b8ae72fea193cebc17
max_size: 16777216
validation: [size]
description: "Bundled homebrew game by Kresna and Nyrator"
source_ref: "app/src/main/res/raw/bundledgames.json:32-37, app/src/main/java/com/simongellis/vvb/data/BundledGameRepository.kt:9-13, app/src/main/java/com/simongellis/vvb/AssetsProvider.kt:18-19, app/src/main/java/com/simongellis/vvb/game/GamePakLoader.kt:35-49"
- name: "The Red Castle.vb"
path: "games/The Red Castle.vb"
system: nintendo-virtualboy
required: false
bundled: true
category: game_data
md5: cdb404ff3e1df7b3c13214ac5409d512
sha1: 34e90abaa3ffc706882fd8a0d1a8101abc185734
max_size: 16777216
validation: [size]
description: "Bundled homebrew game by Timothy Beck"
source_ref: "app/src/main/res/raw/bundledgames.json:38-43, app/src/main/java/com/simongellis/vvb/data/BundledGameRepository.kt:9-13, app/src/main/java/com/simongellis/vvb/AssetsProvider.kt:18-19, app/src/main/java/com/simongellis/vvb/game/GamePakLoader.kt:35-49"
- name: "VUE Snake.vb"
path: "games/VUE Snake.vb"
system: nintendo-virtualboy
required: false
bundled: true
category: game_data
md5: ccfa400a0ff3d717dad36a3f736fd34d
sha1: 77ebaf5dbe667d8347d098b6749b6f3be09f5814
max_size: 16777216
validation: [size]
description: "Bundled homebrew game by KR155E"
source_ref: "app/src/main/res/raw/bundledgames.json:44-49, app/src/main/java/com/simongellis/vvb/data/BundledGameRepository.kt:9-13, app/src/main/java/com/simongellis/vvb/AssetsProvider.kt:18-19, app/src/main/java/com/simongellis/vvb/game/GamePakLoader.kt:35-49"
- name: "VUEngine Platformer Demo.vb"
path: "games/VUEngine Platformer Demo.vb"
system: nintendo-virtualboy
required: false
bundled: true
category: game_data
md5: c96d91fb97572a0af7d53f63b292e0f2
sha1: b1b9893629bbec74e8b58d7b5983e7d35e202fe0
max_size: 16777216
validation: [size]
description: "Bundled homebrew game by KR155E"
source_ref: "app/src/main/res/raw/bundledgames.json:50-55, app/src/main/java/com/simongellis/vvb/data/BundledGameRepository.kt:9-13, app/src/main/java/com/simongellis/vvb/AssetsProvider.kt:18-19, app/src/main/java/com/simongellis/vvb/game/GamePakLoader.kt:35-49"
- name: bundledgames.json
path: "res/raw/bundledgames.json"
system: nintendo-virtualboy
required: false
bundled: true
category: game_data
md5: 04ecc37b70b23fdcc3f5207040f4d178
sha1: 2ae5b46e78afb1bb95d11fa103d6176321573b91
size: 1677
description: "Index of the bundled homebrew titles"
note: >-
Read whole as a raw resource when the repository is built, and decoded
into the list the load menu offers. Each record names the title, the
content URI serving it, the authors and the MD5 of the image. The leia
flavour replaces the file with one pointing at its own authority.
source_ref: "app/src/main/java/com/simongellis/vvb/data/BundledGameRepository.kt:9-13, app/src/main/java/com/simongellis/vvb/data/BundledGame.kt:7-13, app/src/leia/res/raw/bundledgames.json:5"
# -- Preview frames, decoded unscaled and pushed into the eye buffers --
# Both are 384x224 in four shades, the shape the display expects, and they
# stand in for a running game while the video settings are being adjusted.
- name: vbtitlescreen_left.png
path: "res/drawable-nodpi/vbtitlescreen_left.png"
system: nintendo-virtualboy
required: false
bundled: true
category: game_data
md5: 793565cb6af20eb02c78322899e54172
sha1: 480e9872ab20d8a137004e45486985608882983f
size: 619
description: "Left eye of the settings preview image"
source_ref: "app/src/main/java/com/simongellis/vvb/game/GameViewModel.kt:41-51, app/src/main/java/com/simongellis/vvb/game/PreviewActivity.kt:32,56"
- name: vbtitlescreen_right.png
path: "res/drawable-nodpi/vbtitlescreen_right.png"
system: nintendo-virtualboy
required: false
bundled: true
category: game_data
md5: 6df7af05e6b0cb19a37615c2b29116d9
sha1: fc6c5857a0c298d9d6a73449044d1ef3c57fe050
size: 620
description: "Right eye of the settings preview image"
source_ref: "app/src/main/java/com/simongellis/vvb/game/GameViewModel.kt:41-51, app/src/main/java/com/simongellis/vvb/game/PreviewActivity.kt:32,56"
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