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Abdessamad Derraz
4231902a6c
Profiles, the wiki, comments, docstrings, command output and schema descriptions carried em-dashes, clause-joining semicolons, unicode arrows, box-drawing banners and check-mark glyphs. Each sentence was rewritten rather than having its character swapped. Hashes, paths, source_ref values and every cited file:line are unchanged, which a comparison of each parsed profile against the previous revision confirms. validate_pr comments now say PASS and FAIL in words, and source_ref values in a profile's structured blocks render as code. test_prose_style fails if any of these comes back, in tracked files or in the generated site.
86 lines
4.7 KiB
YAML
86 lines
4.7 KiB
YAML
emulator: "Pizza Boy GBA"
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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.pizzaboygbapro"
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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: "2.8.13"
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display_name: "Nintendo - Game Boy Advance (Pizza Boy GBA)"
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mode: standalone
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cores:
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- "pizza-boy-gba"
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- "Pizza Boy GBA"
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- "PIZZA-BOY-GBA"
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systems:
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- nintendo-gba
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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 A name, reached by ES-DE through its PIZZA-BOY-GBA find rule and started
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with the game passed as the rom_uri extra: it.dbtecno.pizzaboygbapro, the paid build
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the rule names first, and it.dbtecno.pizzaboygba, the free one. Two Play distribution
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builds are read here, both carrying the source stamp: Pro 2.8.13 (versionCode 343,
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Play App Signing certificate sha256
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6b5547246e41921f25eba8abb1bc018729c4f0b8db029debbd3380a2b1ec2fe1), which supplies the
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Java and the resources, and Basic 2.3.3 (versionCode 236, developer certificate sha256
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b3ee584096acf4667bb9346daa9cce19237ef7ce95c99e9260ac89be0f7d6130, CN=Davide Berra,
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O=DBTecno), whose arm64-v8a libpizzaboy-jni.so ships DWARF and an unstripped symbol
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table and supplies every native reference below as its own file and line. Java line
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numbers are those of Pro 2.8.13. Two rebuilt copies of Pro 1.35.11 were rejected on
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their certificate, one signed C=debugging with no source stamp and one signed
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O=APKMODY. 69 of the 77 native methods the Pro declares are exported by the Basic
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core, the three BIOS entry points among them: one core, compiled per package.
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One system is emulated, Game Boy Advance: the core is built from a tree named
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pizzaboyadvance whose compilation units carry gba.c and no Game Boy core, and the
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three Game Boy Color and Super Game Boy methods the Pro still declares are among the
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eight the library does not export.
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The BIOS is the one file the user supplies, and it is read only while Load BIOS file
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is on, off by default. The picker and the Run BIOS animation switch, on by default,
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both depend on that box (res/xml/pref_general.xml). In the free package the same
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three preferences are declared android:enabled="false".
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A per rom Low precision BIOS set to On clears the stored path and makes the core keep
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its own replacement, and one cartridge, checksum 0xc7d89508, forces the same at load
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time. When a real image is installed the boot animation starts execution at 0 rather
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than at the cartridge entry, and a multiplayer session exchanges the CRC32 of the file
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so that both peers run the same one.
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Everything else the app opens it makes itself: boxart.db and cheat.db are created by
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their own CREATE TABLE, the default skins, the shaders and the cheat descriptors are
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raw resources unpacked at first run, and <rom>.keys is an input recording. The
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obfuscated assets are PairIP tamper protection.
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files:
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- name: gba_bios.bin
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system: nintendo-gba
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required: false
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hle_fallback: true
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has_builtin: true
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agnostic: true
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size: 16384
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config_key: "bios_file"
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description: "Game Boy Advance BIOS"
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note: >-
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Chosen from any location under any name through the document picker, or, when the
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picked document is named .zip, taken from its first entry. The legacy browser
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offers .gba, .bin and .zip and writes the entry it extracts to bios.bin under the
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application directory. The absolute path is stored and handed to the library,
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which copies it into a 256 byte buffer. At load time the 16 KB BIOS area is first
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filled with a 744 byte replacement compiled into the library, then, if the path is
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set, the file is opened and up to 16384 bytes are read over it and a flag records
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that a real image is installed. Nothing about the file is examined: any read
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returning at least one byte is accepted, and no size, name or hash test exists on
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either side of the bridge. A read of zero bytes leaves the replacement in place
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and logs "Cannot read BIOS file".
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source_ref: "Pizza Boy GBA Pro 2.8.13 SettingsActivity.java:116-140 (import), :143-183
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(preference and picker), FileDialog.java:57,72,77,846-857 (legacy browser, zip entry
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to bios.bin), Common.java:85-105 (copy to temp), :160-190 (single entry unzip),
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MainActivity.java:833,835,865 (bridge), :10936-10941 (gate and handoff),
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res/xml/pref_general.xml (defaults); Pizza Boy A Basic 2.3.3 libpizzaboy-jni.so
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pizza.c:932-938 (path buffer), :945-946 (boot flag), :632-642 (low precision BIOS),
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global.c:93-95 (defaults), mmu.c:1522-1543 (replacement, gate, read, flag),
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:2106-2110 (forced HLE), cpu.c:40 (boot vector)"
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