mirror of
https://github.com/Abdess/retroarch_system.git
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Every profile now has: - profiled_date: date of source code analysis - core_version: version from libretro-core-info .info files - display_name: human-readable name from .info files 260/260 profiles complete. 294/294 libretro cores covered. Standalone emulators (cemu, rpcs3, xemu, vita3k) versioned manually.
47 lines
1.6 KiB
YAML
47 lines
1.6 KiB
YAML
emulator: "Game & Watch"
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type: libretro
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source: "https://github.com/libretro/gw-libretro"
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profiled_date: "2026-03-18"
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core_version: "Git"
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display_name: "Handheld Electronic (GW)"
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cores:
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- gw
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systems:
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- handheld-electronic
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notes: |
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gw-libretro runs Game & Watch simulators converted from MADrigal's Pascal
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source code via pas2lua. Each game is a self-contained .mgw archive (bzip2
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compressed tar v7) containing Lua scripts, sprites, and sound data.
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retro_get_system_info (libretro.c:187-194) sets valid_extensions to "mgw",
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need_fullpath to false, and block_extract to false. The core reads content
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entirely from the retro_game_info buffer passed by the frontend.
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retro_load_game (libretro.c:256-310) passes the content buffer to
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gwrom_init() which decompresses and parses the tar archive in memory.
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gwlua_create() then initializes the Lua VM from the archive entries.
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The core never calls RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, never opens
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files from the filesystem, and has no firmware or BIOS dependencies.
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All game data is bundled in the .mgw content files available from
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libretro's buildbot (bot.libretro.com/assets/cores/HandheldElectronicGame/).
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No external BIOS or firmware files are needed.
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files: []
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analysis:
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content_format:
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extension: ".mgw"
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archive_type: "tar v7 + bzip2"
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decompression: "gwrom.c using bundled bzip2 library"
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source_ref: "gwrom/gwrom.h:21-27"
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game_engine:
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language: "Lua (bundled lua 5.3)"
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runtime: "gwlua (gwlua/)"
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rendering: "retroluxury (retroluxury/)"
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resolution: "128x128 base, variable via gwlua_set_fb/gwlua_zoom"
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filesystem_access: false
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system_directory_used: false
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