bsnes - RetroBIOS

Type	libretro
Classification	Official ports
Source	https://github.com/libretro/bsnes-libretro
Upstream	https://github.com/bsnes-emu/bsnes
Version	115
Profiled	2026-04-05
Cores	bsnes
Systems	nintendo-snes, nintendo-super-game-boy, nintendo-satellaview

20 files | 7 required, 13 optional | 20 in repo, 0 missing | 11 with HLE fallback

dsp1.program.rom optional in repo HLE fallback

• System: nintendo-snes
• Size: 6.0 KB
• Validation: size
• Source: bsnes/sfc/cartridge/load.cpp:490-494, bsnes/heuristics/super-famicom.cpp:601
• Platforms: lakka, retroarch, retropie, romm
• NEC uPD7725 program ROM for DSP1

dsp1.data.rom optional in repo HLE fallback

• System: nintendo-snes
• Size: 2.0 KB
• Validation: size
• Source: bsnes/sfc/cartridge/load.cpp:498-503
• Platforms: lakka, retroarch, retrodeck, retropie, romm
• NEC uPD7725 data ROM for DSP1

dsp1b.program.rom optional in repo HLE fallback

• System: nintendo-snes
• Size: 6.0 KB
• Validation: size
• Source: bsnes/heuristics/super-famicom.cpp:606
• Platforms: lakka, retroarch, retrodeck, retropie, romm
• NEC uPD7725 program ROM for DSP1B (default NEC identifier)

dsp1b.data.rom optional in repo HLE fallback

• System: nintendo-snes
• Size: 2.0 KB
• Validation: size
• Source: bsnes/heuristics/super-famicom.cpp:606
• Platforms: lakka, retroarch, retrodeck, retropie, romm
• NEC uPD7725 data ROM for DSP1B

dsp2.program.rom optional in repo HLE fallback

• System: nintendo-snes
• Size: 6.0 KB
• Validation: size
• Source: bsnes/sfc/cartridge/load.cpp:515-520, bsnes/heuristics/super-famicom.cpp:602
• Platforms: lakka, retroarch, retrodeck, retropie, romm
• NEC uPD7725 program ROM for DSP2 (Dungeon Master)

dsp2.data.rom optional in repo HLE fallback

• System: nintendo-snes
• Size: 2.0 KB
• Validation: size
• Source: bsnes/sfc/cartridge/load.cpp:498-503
• Platforms: lakka, retroarch, retrodeck, retropie, romm
• NEC uPD7725 data ROM for DSP2

dsp3.program.rom required in repo

• System: nintendo-snes
• Size: 6.0 KB
• Validation: size
• Source: bsnes/sfc/cartridge/load.cpp:531-534
• Platforms: lakka, retroarch, retrodeck, retropie, romm
• NEC uPD7725 program ROM for DSP3 (SD Gundam GX). No HLE fallback

dsp3.data.rom required in repo

• System: nintendo-snes
• Size: 2.0 KB
• Validation: size
• Source: bsnes/sfc/cartridge/load.cpp:531-534
• Platforms: lakka, retroarch, retrodeck, retropie, romm
• NEC uPD7725 data ROM for DSP3. No HLE fallback

dsp4.program.rom optional in repo HLE fallback

• System: nintendo-snes
• Size: 6.0 KB
• Validation: size
• Source: bsnes/sfc/cartridge/load.cpp:522-528, bsnes/heuristics/super-famicom.cpp:604-605
• Platforms: lakka, retroarch, retrodeck, retropie, romm
• NEC uPD7725 program ROM for DSP4 (Top Gear 3000)

dsp4.data.rom optional in repo HLE fallback

• System: nintendo-snes
• Size: 2.0 KB
• Validation: size
• Source: bsnes/sfc/cartridge/load.cpp:498-503
• Platforms: lakka, retroarch, retrodeck, retropie, romm
• NEC uPD7725 data ROM for DSP4

st010.program.rom optional in repo HLE fallback

• System: nintendo-snes
• Size: 48.0 KB
• Validation: size
• Source: bsnes/sfc/cartridge/load.cpp:570-574, bsnes/heuristics/super-famicom.cpp:583-587
• Platforms: lakka, retroarch, retrodeck, retropie, romm
• NEC uPD96050 program ROM for ST010

st010.data.rom optional in repo HLE fallback

• System: nintendo-snes
• Size: 4.0 KB
• Validation: size
• Source: bsnes/sfc/cartridge/load.cpp:578-583
• Platforms: lakka, retroarch, retrodeck, retropie, romm
• NEC uPD96050 data ROM for ST010

st011.program.rom required in repo

• System: nintendo-snes
• Size: 48.0 KB
• Validation: size
• Source: bsnes/sfc/cartridge/load.cpp:599-601, bsnes/heuristics/super-famicom.cpp:586
• Platforms: lakka, retroarch, retrodeck, retropie, romm
• NEC uPD96050 program ROM for ST011 (2dan Morita Shougi). No HLE fallback

st011.data.rom required in repo

• System: nintendo-snes
• Size: 4.0 KB
• Validation: size
• Source: bsnes/sfc/cartridge/load.cpp:599-601
• Platforms: lakka, retroarch, retrodeck, retropie, romm
• NEC uPD96050 data ROM for ST011. No HLE fallback

st018.program.rom required in repo

• System: nintendo-snes
• Size: 128.0 KB
• Validation: size
• Source: bsnes/sfc/cartridge/load.cpp:379-385, bsnes/sfc/coprocessor/armdsp/armdsp.hpp:31, bsnes/heuristics/super-famicom.cpp:580
• Platforms: lakka, retroarch, retrodeck, retropie, romm
• ARM6 program ROM for ST018 (Hayazashi Nidan Morita Shougi). No HLE fallback

st018.data.rom required in repo

• System: nintendo-snes
• Size: 32.0 KB
• Validation: size
• Source: bsnes/sfc/cartridge/load.cpp:387-393, bsnes/sfc/coprocessor/armdsp/armdsp.hpp:32
• Platforms: lakka, retroarch, retropie, romm
• ARM6 data ROM for ST018. No HLE fallback

cx4.data.rom optional in repo HLE fallback

• System: nintendo-snes
• Size: 3.0 KB
• SHA1: a002f4efba42...
• MD5: 037ac4296b6b...
• CRC32: b6e76a6a
• Validation: size
• Source: bsnes/sfc/cartridge/load.cpp:444-456, bsnes/sfc/coprocessor/hitachidsp/hitachidsp.hpp:49, bsnes/heuristics/super-famicom.cpp:597, bsnes/sfc/coprocessor/hitachidsp/data-rom.cpp:3
• Platforms: lakka, retroarch, retrodeck, retropie, romm
• Hitachi HG51BS169 data ROM for Cx4 (Mega Man X2/X3). HLE fallback and built-in static ROM available

SGB1.sfc optional in repo

• System: nintendo-super-game-boy
• Source: bsnes/target-libretro/libretro.cpp:937-946, bsnes/target-libretro/libretro.cpp:393
• Platforms: batocera, lakka, recalbox, retroarch, retrobat, retrodeck, retropie, romm
• Super Game Boy 1 cartridge ROM, loaded when playing .gb/.gbc via SGB mode

SGB2.sfc optional in repo

• System: nintendo-super-game-boy
• Source: bsnes/target-libretro/libretro.cpp:937-946, bsnes/target-libretro/libretro.cpp:393
• Platforms: batocera, lakka, recalbox, retroarch, retrobat, retrodeck, retropie, romm
• Super Game Boy 2 cartridge ROM, uses dedicated oscillator for accurate GB speed

BS-X.bin required in repo

• System: nintendo-satellaview
• Source: bsnes/target-libretro/libretro.cpp:955-962
• Platforms: batocera, lakka, recalbox, retroarch, retrobat, retrodeck, retropie, romm
• BS-X Satellaview BIOS ROM, loaded from system_dir when running .bs games

Generated on 2026-09-14T09:03:09Z