mirror of
https://github.com/Abdess/retroarch_system.git
synced 2026-11-01 00:27:20 -05:00
Abdessamad Derraz
e7aa9e870b
Each libretro profile records version_basis and core_version is read there at its pin. snes9x states 1.63 in snes9x.h, nestopia 2.0.0, mgba 0.11.0, vice 3.10, atari800's libretro tree 7.0.0. Cores whose build takes its version from git carry the nearest tag in describe form (flycast v2.7-90-ge88b0ce, ppsspp, duckstation, gearcoleco), placeholders copied from .info files (Git, SVN) are replaced by the code's statement, and a code that states none is null with kind none.
50 lines
1.8 KiB
YAML
50 lines
1.8 KiB
YAML
emulator: VBA-Next
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type: libretro
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core_classification: frozen_snapshot
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source: "https://github.com/libretro/vba-next"
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upstream: "https://github.com/visualboyadvance-m/visualboyadvance-m"
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upstream_commit: "46cc9f6bda114737e99304a4bd8427c038e63084"
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profiled_date: "2026-03-25"
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source_commit: "788192f215ad0a1413f1625b40ebba3423fa0ade"
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core_version: "v1.0.2"
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version_basis:
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kind: file
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path: "libretro/libretro.c"
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pattern: 'info->library_version\s*=\s*"([^"]+)"'
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display_name: "Nintendo - Game Boy Advance (VBA Next)"
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cores:
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- vba_next
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- "vba-next"
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systems:
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- nintendo-gba
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notes: |
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Frozen snapshot of VBA-M circa 2011, optimized for libretro by Squarepusher.
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Built-in HLE BIOS (myROM array, src/gba.c:8930) handles all standard SWI
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calls. No external BIOS file needed for most games.
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BIOS loading gated by HAVE_HLE_BIOS (build/Makefile.common:3) and core option
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vbanext_bios (default: enabled). When enabled, retro_init resolves gba_bios.bin
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in system_dir (libretro/libretro.c:213-218). CPUInit loads via utilLoad(),
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validates size == 0x4000, sets useBios = true (src/gba.c:12943-12950). On
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failure, myROM is memcpy'd as HLE fallback (src/gba.c:12954-12956).
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With real BIOS, execution starts at 0x00000000 (BIOS entry point). Without,
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jumps to 0x08000000 (ROM entry), skipping boot animation
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(src/gba.c:13134-13151).
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Upstream VBA-M CPUInit (src/core/gba/gba.cpp:5152-5180) is functionally
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identical. No divergences in BIOS handling.
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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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size: 16384
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validation: [size]
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description: "GBA BIOS"
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note: "Optional. HLE replacement handles all standard SWI calls. Real BIOS adds startup logo and may improve edge-case accuracy."
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source_ref: "source libretro/libretro.c:213-218, source src/gba.c:12954-12963"
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