VBA-M - RetroBIOS

Type	standalone + libretro
Classification	Official ports
Source	https://github.com/libretro/vbam-libretro
Upstream	https://github.com/visualboyadvance-m/visualboyadvance-m
Version	2.1.4
Profiled	2026-03-25
Cores	vbam
Systems	nintendo-gba, nintendo-gb, nintendo-gbc

Technical notes

Supports GB, GBC, GBA, and SGB (borders/palette only). BIOS usage controlled by vbam_usebios core option (default: disabled). Built-in HLE BIOS (myROM array) handles GBA SWI calls without external file. GB/GBC boot sequence skipped when BIOS absent. Upstream repo includes the libretro port in src/libretro/.

3 files | 0 required, 3 optional | 3 in repo, 0 missing | 3 with HLE fallback

gba_bios.bin optional in repo HLE fallback
GBA BIOS

• System: nintendo-gba
• Size: 16.0 KB
• Validation: size
• Source: src/gba/GBA.cpp:3262-3272 (CPUInit size check), src/libretro/libretro.cpp:846-851 (gba_init)
• Platforms: batocera, lakka, recalbox, retroarch, retrobat, retrodeck, retropie, romm

gb_bios.bin optional in repo HLE fallback
Game Boy boot ROM

• System: nintendo-gb
• Size: 256 B
• Validation: size
• Source: src/gb/GB.cpp:2172-2192 (gbCPUInit size check), src/libretro/libretro.cpp:861-879 (gb_init)
• Platforms: batocera, lakka, recalbox, retroarch, retrobat, retrodeck, retropie, romm

gbc_bios.bin optional in repo HLE fallback
Game Boy Color boot ROM

• System: nintendo-gbc
• Size: 2.2 KB
• Validation: size
• Source: src/gb/GB.cpp:2172-2192 (gbCPUInit size check), src/libretro/libretro.cpp:861-879 (gb_init)
• Platforms: batocera, lakka, recalbox, retroarch, retrobat, retrodeck, retropie, romm

Generated on 2026-04-03T20:37:39Z