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.
95 lines
3.7 KiB
YAML
95 lines
3.7 KiB
YAML
emulator: SquirrelJME
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type: libretro
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source: "https://github.com/SquirrelJME/SquirrelJME"
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profiled_date: "2026-03-18"
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core_version: "0.3.0"
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display_name: "Java ME (SquirrelJME)"
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cores: [squirreljme]
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systems: [j2me]
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verification: existence
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notes: |
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Java ME 8 virtual machine for libretro. Runs J2ME MIDlets and older flip-phone games.
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The core needs a class library JAR placed in RetroArch's system directory.
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It searches for the JAR using a priority list: versioned-fast first, then versioned,
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then unversioned variants. The first match wins.
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Search order (from nanocoat/src/boot.c sjme_nvm_romNames[]):
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1. squirreljme-{version}-fast.jar
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2. squirreljme-{version}.jar
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3. squirreljme-{version}-test.jar
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4. squirreljme-{version}-slow.jar
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5. squirreljme-{version}-slow-test.jar
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6. squirreljme-fast.jar
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7. squirreljme.jar
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8. squirreljme-test.jar
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9. squirreljme-slow.jar
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10. squirreljme-slow-test.jar
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Current version: 0.3.0. All firmware entries are marked optional in the .info file
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because the core can launch its built-in modeless stars demo without a class library.
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For actual J2ME software, one of these JARs is required.
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The class library JAR is built from the SquirrelJME project itself (not a third-party
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BIOS dump). It is open source under MPL-2.0.
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files:
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# -- Versioned JARs (v0.3.0, preferred) --
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- name: "squirreljme-0.3.0-fast.jar"
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description: "SquirrelJME class library v0.3.0 (fast/optimized build)"
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required: false
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bundled: false
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source_ref: "nanocoat/src/boot.c:102, squirreljme_libretro.info:firmware5"
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note: "Highest priority versioned JAR. Optimized runtime, recommended for normal use."
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- name: "squirreljme-0.3.0.jar"
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description: "SquirrelJME class library v0.3.0 (standard build)"
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required: false
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bundled: false
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source_ref: "nanocoat/src/boot.c:103, squirreljme_libretro.info:firmware4"
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note: "Standard versioned build. Second in search priority."
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- name: "squirreljme-0.3.0-slow.jar"
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description: "SquirrelJME class library v0.3.0 (slow/interpreter build)"
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required: false
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bundled: false
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source_ref: "nanocoat/src/boot.c:105, squirreljme_libretro.info:firmware6"
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note: "Pure interpreter mode, no optimizations. Useful for debugging."
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- name: "squirreljme-0.3.0-slow-test.jar"
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description: "SquirrelJME class library v0.3.0 (slow build with tests)"
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required: false
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bundled: false
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source_ref: "nanocoat/src/boot.c:106, squirreljme_libretro.info:firmware7"
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note: "Interpreter mode with built-in test suites."
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# -- Unversioned JARs (fallback) --
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- name: "squirreljme-fast.jar"
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description: "SquirrelJME class library (fast/optimized, unversioned)"
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required: false
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bundled: false
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source_ref: "nanocoat/src/boot.c:107, squirreljme_libretro.info:firmware1"
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note: "Highest priority unversioned JAR. Renamed from a versioned build."
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- name: "squirreljme.jar"
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description: "SquirrelJME class library (standard, unversioned)"
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required: false
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bundled: false
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source_ref: "nanocoat/src/boot.c:108, squirreljme_libretro.info:firmware0"
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note: "Most common filename. If only one JAR is provided, use this name."
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- name: "squirreljme-slow.jar"
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description: "SquirrelJME class library (slow/interpreter, unversioned)"
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required: false
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bundled: false
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source_ref: "nanocoat/src/boot.c:110, squirreljme_libretro.info:firmware2"
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note: "Pure interpreter, unversioned."
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- name: "squirreljme-slow-test.jar"
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description: "SquirrelJME class library (slow with tests, unversioned)"
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required: false
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bundled: false
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source_ref: "nanocoat/src/boot.c:111, squirreljme_libretro.info:firmware3"
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note: "Interpreter with tests, unversioned."
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