mirror of
https://github.com/Abdess/retroarch_system.git
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Abdessamad Derraz
e42d0815c1
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.
131 lines
7.3 KiB
YAML
131 lines
7.3 KiB
YAML
emulator: "Pizza Boy GBC"
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type: standalone
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core_classification: embedded_hle
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source: "https://play.google.com/store/apps/details?id=it.dbtecno.pizzaboypro"
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upstream: closed-source
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author: "Pizza Emulators"
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profiled_date: "2026-08-12"
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core_version: "6.0.6"
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display_name: "Nintendo - Game Boy / Color (Pizza Boy GBC)"
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mode: standalone
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cores:
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- "pizza-boy-gbc"
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- "Pizza Boy GBC"
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- "PIZZA-BOY-GBC"
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systems:
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- nintendo-gb
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- nintendo-gbc
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- nintendo-sgb
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notes: |
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Two Android packages, closed source, sold and given away on Google Play under the
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Pizza Boy C name, reached by ES-DE through its PIZZA-BOY-GBC find rule and started
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with the game passed as the rom_uri extra: it.dbtecno.pizzaboypro, the paid build the
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rule names first, and it.dbtecno.pizzaboy, the free one. Two Play distribution builds
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are read here, both carrying the developer certificate sha256
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b3ee584096acf4667bb9346daa9cce19237ef7ce95c99e9260ac89be0f7d6130 (CN=Davide Berra,
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O=DBTecno) and a source stamp: Pro 6.0.6 (versionCode 231), which supplies the Java
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and the resources, and Basic 4.1.6 (versionCode 202), whose arm64-v8a
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libpizzaboy-jni.so ships DWARF and an unstripped symbol table and supplies every
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native reference below as its own file and line. Java line numbers are those of Pro
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6.0.6. The Pro on the store is 7.4.5 (versionCode 324) and no genuine copy of it is
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reachable: apkcombo bounces the download page of a paid app back to the app page,
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apkvision carries no copy, and archive.org holds 6.0.6 alone. The Pro ships its core
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as a stripped armeabi-v7a build; it carries the same log strings and the same
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constants as the Basic core, the 64 KB clear, the 8192 byte read cap, the 256 byte
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header copy and the 256 and 2304 byte gate, and 65 of the 70 entry points it exports
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are exported by the Basic core as well. The Pro also ships libpizza-jni.so, an
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older core exporting the free package JNI names and carrying no BIOS entry point,
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which no loadLibrary call reaches.
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Three systems are emulated from one tree named pizzaboy, whose compilation units
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carry gameboy.c, mmu.c, sgb.c and camera.c: Game Boy, Game Boy Color and Super Game
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Boy. The SGB command set, borders and palettes are handled by sgb.c behind a Super
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Game Boy switch that is on by default, with a preference that gives Game Boy Color
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precedence over Super Game Boy on a cartridge that offers both. camera.c drives the
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Game Boy Camera cartridge from the device camera, and the Game Boy Printer is served
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over the link port.
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The boot ROM is the one file the user supplies, in two slots, Gameboy Classic ROMs
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BIOS and Gameboy Color ROMs BIOS, and it is read only while Load BIOS file is on,
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off by default (res/xml/pref_general.xml:89-99). In the free package the same three
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preferences are declared android:enabled="false" behind a paid badge. A ROM whose
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name ends in .gb or .sgb takes the first slot, every other name takes the second.
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The library never examines the name, the extension or the content: the byte count of
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the read decides the machine. A file of 256 bytes runs the cartridge as a Game Boy,
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one of 2304 bytes as a Game Boy Color, and any other length is refused with "Unknown
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BIOS file", after which the run continues with the boot skipped. The image is read
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into a second MMU whose 0x100 to 0x1FF window is overwritten with the cartridge
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header from the active one, the program counter starts at 0 instead of at the
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cartridge entry, and the animation runs until it reaches 0x100, at which point the
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active MMU returns to the cartridge and the accumulator is restored. A multiplayer
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session exchanges the CRC32 of the Game Boy slot so that both peers run the same
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file.
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Everything else the app opens it makes itself: the default skins and the cheat
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descriptors are raw resources unpacked at first run, the box art, cheat, sticker,
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layout and per-ROM databases are created by their own CREATE TABLE, and the save
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states, the RTC files, the screenshots and the GIF captures are outputs. No boot ROM
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is compiled into the library: neither Game Boy image nor the Nintendo logo appears
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anywhere in the loaded sections, and the post-boot register state comes from the
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reset path instead.
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files:
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- name: dmg_boot.bin
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system: nintendo-gb
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required: false
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hle_fallback: true
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agnostic: true
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size: 256
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validation: [size]
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config_key: "bios_file"
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description: "Game Boy (DMG) boot ROM"
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note: >-
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Chosen from any location under any name through the document picker and copied
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into the application directory under the name the picker reports; the legacy
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browser offers .gbc, .gb, .bin and .zip and writes the entry it extracts from a
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zip to bios.bin. The absolute path is stored and handed to the library, which
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copies it into a 256 byte buffer. It is used when the ROM name ends in .gb or
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.sgb, and only on the first run of that ROM and with no multiplayer peer
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connected. The file is read into a second MMU image, up to 8192 bytes, and a
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count of exactly 256 starts the run as a Game Boy, keeping the default palette.
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Nothing else is examined: no name, size range, header or hash test exists on
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either side of the bridge, and a count that is neither 256 nor 2304 is refused.
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A multiplayer session exchanges the CRC32 of this file so that both peers run
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the same one.
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source_ref: "Pizza Boy GBC Pro 6.0.6 MainActivity.java:702 (native method),
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:8067-8081 (gate and slot selection), :1734-1757 (CRC32 of the file),
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:1907, :2136 (multiplayer handshake), SettingsActivity.java:40-41 (request
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codes), :96-113 (picker result and copy), :116-192 (both preferences),
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Common.java:42 (copy to the application directory), FileDialog.java:949-975
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(legacy browser, zip entry to bios.bin), res/xml/pref_general.xml:89-99
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(defaults); Pizza Boy C Basic 4.1.6 libpizzaboy-jni.so pizza.c:1023-1024 (path
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into global_bios_file), global.c:28 (char[256]), mmu.c:431-463 (open, 64 KB
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clear, 8192 byte read, cartridge header copy, 256 and 2304 gate, refusal),
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gameboy.c:1161-1168 (conditions and call), :1171, :1238 (failure),
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:1179-1198 (model, MMU switch, program counter at 0, accumulator),
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:1201-1235 (run to 0x100, return to the cartridge)"
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- name: cgb_boot.bin
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system: nintendo-gbc
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required: false
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hle_fallback: true
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agnostic: true
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size: 2304
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validation: [size]
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config_key: "bios_file_cgb"
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description: "Game Boy Color (CGB) boot ROM"
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note: >-
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Same picker, same copy and same handoff as the Game Boy slot, used for every ROM
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whose name does not end in .gb or .sgb. A count of exactly 2304 starts the run as
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a Game Boy Color, which sets the accumulator to 0x11 and keeps the hardware
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palettes instead of reloading the default one. The 0x100 to 0x1FF window of the
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image is overwritten with the cartridge header before execution, which is the
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gap the 2304 byte layout leaves for it.
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source_ref: "Pizza Boy GBC Pro 6.0.6 MainActivity.java:8073-8078 (slot selection),
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SettingsActivity.java:98 (preference key), :158-192 (preference and picker),
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res/xml/pref_general.xml:97-99; Pizza Boy C Basic 4.1.6 libpizzaboy-jni.so
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mmu.c:435-452 (read, header copy, 2304 gate), gameboy.c:1179 (model from the
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return value), :1189-1198 (program counter, accumulator, palette)"
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