mirror of
https://github.com/Abdess/retroarch_system.git
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Abdessamad Derraz
17b4537bde
ES-DE standalone batch: PSX, DS, GBA, GBC, Xbox, Dolphin and pinball front-ends, each read from its own source or shipped binary.
109 lines
5.4 KiB
YAML
109 lines
5.4 KiB
YAML
emulator: "GBA.emu"
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type: standalone
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core_classification: community_fork
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source: "https://github.com/Rakashazi/emu-ex-plus-alpha"
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upstream: "https://github.com/visualboyadvance-m/visualboyadvance-m"
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profiled_date: "2026-08-11"
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source_commit: "1c12fac5ce49badaadff2e2f210dcc30b89f4943"
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upstream_commit: "fbd043dea0920a2356c44e1458a160455403c640"
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core_version: "1.5.85"
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display_name: "Nintendo - Game Boy Advance (GBA.emu)"
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mode: standalone
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cores:
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- "gba-emu"
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- "GBA.emu"
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- "GBA-EMU"
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systems:
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- nintendo-gba
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notes: |
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Android and Linux member of the EX Emulator series by Robert Broglia,
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published as com.explusalpha.GbaEmu (GBA.emu/metadata/conf.mk:2,6,7) and
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reached by ES-DE through its GBA-EMU find rule. VBA-M components are vendored
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under GBA.emu/src/core (GBA.emu/metadata/conf.mk:8,
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GBA.emu/src/main/AppMeta.cc:26) and driven by the app's own GBASys, video,
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sound and IO layers. The build defines C_CORE, FINAL_VERSION, NO_PNG, NO_LINK
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and NO_DEBUGGER (GBA.emu/CMakeLists.txt:14). Content is read from .gba and .mb
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files, a .mb name sending the image to work RAM instead of the ROM area
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(GBA.emu/metadata/conf.mk:5, GBA.emu/src/main/AppMeta.cc:31,
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GBA.emu/src/main/Main.cc:182-183, GBA.emu/src/main/VbamApi.cc:211-246).
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The BIOS is the one file the user supplies and it carries no name of its own.
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The picker takes any .bin or .rom and stores the chosen URI in biosPath
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(GBA.emu/src/main/EmuMenuViews.cc:485-510, GBA.emu/src/main/system.ccm:88,
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GBA.emu/src/main/options.cc:50,79). loadContent reads the file whole and
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throws unless it is exactly 16384 bytes (GBA.emu/src/main/Main.cc:190-197),
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the length CPUInit tests again before copying it and setting useBios
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(GBA.emu/src/core/gba/gba.cpp:3758-3778). Nothing else about the file is
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examined: CPUIsGBABios, the extension test upstream passes to utilLoad, has no
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caller here (GBA.emu/src/core/gba/gba.cpp:1655-1675; upstream
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src/core/gba/gba.cpp:4975-4986).
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Without a file the app runs on the built-in myROM stub copied into the BIOS
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area (GBA.emu/src/core/gba/gba.cpp:131-305,3776-3778) and on the service call
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implementations of gbaBios.cpp; useBios decides only whether an SWI enters
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BIOS code or the HLE routine, and which register reset a boot performs
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(GBA.emu/src/core/gba/gba.cpp:2525-2545,4104-4112). Two settings gate the
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read: the per-content Use BIOS tristate defaults to Auto, which follows the
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global Default Use BIOS switch, itself off until the user turns it on
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(GBA.emu/src/main/system.ccm:107-108,165-174,
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GBA.emu/src/main/EmuMenuViews.cc:387-395).
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The 473 entry override table is byte-identical to VBA-M's
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src/libretro/gba-over.inc, and its bios column is dropped on arrival:
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setGameSpecificSettings takes save type, save size, RTC and mirroring and
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nothing more (GBA.emu/src/main/gba-over.inc:1,
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GBA.emu/src/main/Main.cc:283-319), so BIOS use never follows from the game.
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Per content the app writes and reads files named after the ROM: .sav backup
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memory created full of 0xFF (GBA.emu/src/main/Main.cc:98-108), .gqs states
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(GBA.emu/src/main/system.ccm:128), and a .clt cheat list it saves itself under
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the cheats path (GBA.emu/src/main/Cheats.cc:210-235,
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GBA.emu/src/core/gba/gbaCheats.cpp:2738,2755). Under the patches path it
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applies the first of .ips, .ups or .ppf that opens
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(GBA.emu/src/main/Main.cc:147-178). ui.png, gpOverlay.png and the shader
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sources are drawn by the framework from the application bundle
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(EmuFramework/include/emuframework/AssetManager.hh:61-66,
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EmuFramework/src/AssetManager.cc:58-73,
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EmuFramework/src/VideoImageEffect.cc:164-172).
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VBA-M's own file entry points reach nothing in this build. CPULoadRom, the
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battery, state, GSA snapshot and eeprom import functions and the EmulatedSystem
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table sit inside #if 0 blocks (GBA.emu/src/core/gba/gba.cpp:1301-1614,
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1885-2134,4803-4869); CPUExportEepromFile and cheatsImportGSACodeFile keep no
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caller (GBA.emu/src/core/gba/gba.cpp:1276,
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GBA.emu/src/core/gba/gbaCheats.cpp:2081); and utilOpenFile, the call all of
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them open files with, is implemented by no source in the build
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(GBA.emu/src/CMakeLists.txt:6-36, GBA.emu/src/main/VbamApi.cc:279-321). The
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e-Reader reads no dotcode either, the tree carrying its header alone and the
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three entry points being stubbed (GBA.emu/src/core/gba/internal/gbaEreader.h,
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GBA.emu/src/main/VbamApi.cc:109-113).
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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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validation: [size]
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description: "Game Boy Advance BIOS"
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note: >-
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Picked by the user from any path, under any name ending in .bin or .rom.
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The only test is the length, and a file of another length aborts the load
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rather than falling back.
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source_ref: "GBA.emu/src/main/Main.cc:190-197 (read and size check), GBA.emu/src/core/gba/gba.cpp:3758-3778 (second check, copy, useBios), GBA.emu/src/main/EmuMenuViews.cc:485-510 (picker and extension filter)"
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- name: "Motocross Challenge.7z"
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aliases: ["MotocrossChallenge.7z"]
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system: nintendo-gba
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required: false
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bundled: true
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category: game_data
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description: "Bundled homebrew game, listed under Bundled Content"
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note: >-
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Opened from the application bundle by the name the build gives it, the
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Linux build dropping the space.
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source_ref: "GBA.emu/src/main/AppMeta.cc:32-33 (names), EmuFramework/src/gui/BundledGamesView.cc:41,47 (open and load)"
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