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Abdessamad Derraz
1334e84a00
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46 lines
1.7 KiB
YAML
46 lines
1.7 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: "SVN"
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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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