mirror of
https://github.com/Abdess/retroarch_system.git
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Abdessamad Derraz
b3b3880c19
Profiles that read two repositories, a libretro port and its upstream, now prefix each citation with source or upstream, decided by which tree carries the cited value at its pin. The emulator pages use the word to tell libretro glue, emulator code as the port carries it, and the upstream emulator apart.
224 lines
11 KiB
YAML
224 lines
11 KiB
YAML
emulator: "nSide (SFC Balanced)"
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type: libretro
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core_classification: enhanced_fork
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source: "https://github.com/libretro/nSide"
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upstream: "https://gitlab.com/higan/higan"
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profiled_date: "2026-09-17"
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source_commit: "5b2b5da3a9654d88b2e51fb7a1637808ac601a18"
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upstream_commit: "3353efd3a1087f4d16d9b9fd2a8e465087ab8ec0"
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core_version: "106.25"
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display_name: "Nintendo - SNES / SFC (nSide Balanced)"
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cores:
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- nside_sfc_balanced
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- higan_sfc_balanced
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systems:
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- nintendo-snes
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- nintendo-sgb
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exclusion_note: >
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The .info declares SGB1.sfc/sgb1.boot.rom and SGB2.sfc/sgb2.boot.rom. The
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core opens the boot ROM under the name the manifest derives from the
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architecture, lr35902.boot.rom, in the selected SGB folder
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(nSide/gb/system/system.cpp:60-61, nSide/emulator/game.hpp:101-104). A
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sgb1.boot.rom or sgb2.boot.rom is only looked up, at the system directory
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root, when the Super Game Boy cartridge is itself imported as an SFC game
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(icarus/core/super-famicom.cpp:49-54), a load that ends on the Game Boy
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cartridge manifest the libretro target cannot provide
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(nSide/target-libretro/libretro.cpp:284-287).
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notes: |
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Fork of higan by hex_usr (nSide v009r16, README.txt:1-4), synchronised with
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higan v106r25: Emulator::Version is "106.25" (nSide/emulator/emulator.hpp:16)
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and retro_get_system_info announces it as library_version under the name
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"higan (Super Famicom Balanced)" (nSide/target-libretro/libretro.cpp:87-93,
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nSide/target-libretro/libretro-sfc.cpp:486). The balanced profile keeps a
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scanline-based PPU, and the accuracy profile is refused at build time
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(nSide/target-libretro/GNUmakefile:1-2, nSide/target-libretro/libretro.cpp:38-39).
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The library is named nside_$(corename)_libretro with corename sfc_balanced
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(nSide/target-libretro/GNUmakefile:4-13, nSide/target-libretro/GNUmakefile:18-23),
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which the GitLab CI publishes as nside_sfc_balanced (.gitlab-ci.yml:15,
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.gitlab-ci.yml:53-54). The core options keep the higan_sfc_ prefix so the
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settings are shared with higan's core (nSide/target-libretro/libretro-sfc.cpp:321-329).
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System files manifest.bml, boards.bml and ipl.rom are compiled into the
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binary and served from memory (nSide/target-libretro/libretro-sfc.cpp:335-341,
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nSide/target-libretro/resource/sfc.bml:1-4, nSide/sfc-balanced/smp/smp.cpp:25-33).
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Coprocessor firmware. A ROM is imported through icarus, whose manifest names
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each firmware memory by architecture and identifier
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(icarus/heuristics/super-famicom.cpp:90-115). When the image does not carry
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the firmware appended (icarus/heuristics/super-famicom.cpp:406-414), the
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importer reports {identifier}.{content}.rom as missing
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(icarus/core/super-famicom.cpp:46-57) and the libretro target reads that
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name through locate_libretro, appends it to the image and imports again
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(nSide/target-libretro/icarus.cpp:111-142). locate_libretro tries the system
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directory, then higan/ and nSide/ under the user's config and data
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directories (nSide/target-libretro/libretro.cpp:3-31). Identifiers come from
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the cartridge label: DSP1 for PILOTWINGS, DSP2 for DUNGEON MASTER, DSP3 for
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SD Gundam GX, DSP4 for TOP GEAR 3000 and PLANETS CHAMP TG3000, DSP1B
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otherwise. ST011 is used for 2DAN MORITA SHOUGI, ST010 otherwise, and ST018
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and Cx4 have a single revision (icarus/heuristics/super-famicom.cpp:512-541).
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No hash is checked, and a file shorter than the size the manifest declares leaves the
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second import short and the load fails. The sizes below are those declared
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by the heuristics.
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Super Game Boy. Loading a .gb or .gbc file selects the folder named by the
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higan_sfc_sgb_bios option, SGB1.sfc/ by default or SGB2.sfc/
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(nSide/target-libretro/libretro-sfc.cpp:142-145,
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nSide/target-libretro/libretro-sfc.cpp:326). program.rom is looked up in
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that folder, then in SGB.sfc/ and Super GameBoy.sfc/, and the folder's
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manifest is generated from its program.rom and *.boot.rom files
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(nSide/target-libretro/libretro-sfc.cpp:179-215,
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icarus/core/super-famicom.cpp:1-11). The Game Boy system then opens the boot
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ROM the manifest names, lr35902.boot.rom, from the folder first and from the
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system directory root as a fallback (nSide/gb/system/system.cpp:54-65,
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nSide/target-libretro/program.cpp:19-81). Once a Game Boy image is loaded
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both files are mandatory: a missing one sets the failure flag and
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retro_load_game returns false
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(nSide/target-libretro/program.cpp:75-78, nSide/target-libretro/libretro.cpp:286).
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The SHA-1 values on the boot ROMs and on cx4.data.rom are those of the copies
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the source tree ships in icarus/firmware/.
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files:
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# NEC uPD7725 (DSP1, DSP1B, DSP2, DSP3, DSP4): 2048 x 24-bit program words,
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# 1024 x 16-bit data words
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- name: "dsp1.data.rom"
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system: nintendo-snes
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size: 2048
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required: false
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source_ref: "source nSide/sfc-balanced/cartridge/load.cpp:457-501, source icarus/heuristics/super-famicom.cpp:115, source icarus/heuristics/super-famicom.cpp:534"
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- name: "dsp1.program.rom"
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system: nintendo-snes
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size: 6144
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required: false
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source_ref: "source nSide/sfc-balanced/cartridge/load.cpp:457-501, source icarus/heuristics/super-famicom.cpp:114, source icarus/heuristics/super-famicom.cpp:534"
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- name: "dsp1b.data.rom"
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system: nintendo-snes
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size: 2048
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required: false
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source_ref: "source nSide/sfc-balanced/cartridge/load.cpp:457-501, source icarus/heuristics/super-famicom.cpp:115, source icarus/heuristics/super-famicom.cpp:539"
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- name: "dsp1b.program.rom"
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system: nintendo-snes
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size: 6144
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required: false
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source_ref: "source nSide/sfc-balanced/cartridge/load.cpp:457-501, source icarus/heuristics/super-famicom.cpp:114, source icarus/heuristics/super-famicom.cpp:539"
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- name: "dsp2.data.rom"
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system: nintendo-snes
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size: 2048
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required: false
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source_ref: "source nSide/sfc-balanced/cartridge/load.cpp:457-501, source icarus/heuristics/super-famicom.cpp:115, source icarus/heuristics/super-famicom.cpp:535"
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- name: "dsp2.program.rom"
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system: nintendo-snes
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size: 6144
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required: false
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source_ref: "source nSide/sfc-balanced/cartridge/load.cpp:457-501, source icarus/heuristics/super-famicom.cpp:114, source icarus/heuristics/super-famicom.cpp:535"
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- name: "dsp3.data.rom"
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system: nintendo-snes
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size: 2048
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required: false
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source_ref: "source nSide/sfc-balanced/cartridge/load.cpp:457-501, source icarus/heuristics/super-famicom.cpp:115, source icarus/heuristics/super-famicom.cpp:536"
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- name: "dsp3.program.rom"
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system: nintendo-snes
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size: 6144
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required: false
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source_ref: "source nSide/sfc-balanced/cartridge/load.cpp:457-501, source icarus/heuristics/super-famicom.cpp:114, source icarus/heuristics/super-famicom.cpp:536"
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- name: "dsp4.data.rom"
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system: nintendo-snes
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size: 2048
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required: false
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source_ref: "source nSide/sfc-balanced/cartridge/load.cpp:457-501, source icarus/heuristics/super-famicom.cpp:115, source icarus/heuristics/super-famicom.cpp:537-538"
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- name: "dsp4.program.rom"
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system: nintendo-snes
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size: 6144
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required: false
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source_ref: "source nSide/sfc-balanced/cartridge/load.cpp:457-501, source icarus/heuristics/super-famicom.cpp:114, source icarus/heuristics/super-famicom.cpp:537-538"
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# Hitachi HG51BS169 (Cx4): 1024 x 24-bit data words
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- name: "cx4.data.rom"
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system: nintendo-snes
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size: 3072
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sha1: "a002f4efba42775a31185d443f3ed1790b0e949a"
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required: false
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source_ref: "source nSide/sfc-balanced/cartridge/load.cpp:405-454, source icarus/heuristics/super-famicom.cpp:110, source icarus/heuristics/super-famicom.cpp:529-531"
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# NEC uPD96050 (ST010, ST011): 16384 x 24-bit program words,
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# 2048 x 16-bit data words
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- name: "st010.data.rom"
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system: nintendo-snes
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size: 4096
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required: false
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source_ref: "source nSide/sfc-balanced/cartridge/load.cpp:504-548, source icarus/heuristics/super-famicom.cpp:99, source icarus/heuristics/super-famicom.cpp:516-521"
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- name: "st010.program.rom"
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system: nintendo-snes
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size: 49152
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required: false
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source_ref: "source nSide/sfc-balanced/cartridge/load.cpp:504-548, source icarus/heuristics/super-famicom.cpp:98, source icarus/heuristics/super-famicom.cpp:516-521"
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- name: "st011.data.rom"
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system: nintendo-snes
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size: 4096
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required: false
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source_ref: "source nSide/sfc-balanced/cartridge/load.cpp:504-548, source icarus/heuristics/super-famicom.cpp:99, source icarus/heuristics/super-famicom.cpp:519"
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- name: "st011.program.rom"
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system: nintendo-snes
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size: 49152
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required: false
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source_ref: "source nSide/sfc-balanced/cartridge/load.cpp:504-548, source icarus/heuristics/super-famicom.cpp:98, source icarus/heuristics/super-famicom.cpp:519"
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# SETA ARM6 (ST018): 128 KiB program, 32 KiB data
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- name: "st018.data.rom"
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system: nintendo-snes
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size: 32768
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required: false
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source_ref: "source nSide/sfc-balanced/cartridge/load.cpp:362-402, source icarus/heuristics/super-famicom.cpp:92, source icarus/heuristics/super-famicom.cpp:512-514"
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- name: "st018.program.rom"
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system: nintendo-snes
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size: 131072
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required: false
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source_ref: "source nSide/sfc-balanced/cartridge/load.cpp:362-402, source icarus/heuristics/super-famicom.cpp:91, source icarus/heuristics/super-famicom.cpp:512-514"
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# Super Game Boy: cartridge ROM and boot ROM per folder
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- name: "program.rom"
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path: "SGB1.sfc/program.rom"
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system: nintendo-sgb
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required: false
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note: "Also looked up as SGB.sfc/program.rom and Super GameBoy.sfc/program.rom."
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source_ref: "source nSide/target-libretro/libretro-sfc.cpp:179-215, source nSide/sfc-balanced/cartridge/load.cpp:159-162"
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- name: "lr35902.boot.rom"
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path: "SGB1.sfc/lr35902.boot.rom"
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system: nintendo-sgb
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size: 256
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sha1: "aa2f50a77dfb4823da96ba99309085a3c6278515"
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required: false
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note: "Falls back to lr35902.boot.rom at the system directory root."
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source_ref: "source nSide/gb/system/system.cpp:54-65, source nSide/emulator/game.hpp:101-104, source icarus/heuristics/super-famicom.cpp:103, source icarus/heuristics/super-famicom.cpp:523-527"
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- name: "program.rom"
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path: "SGB2.sfc/program.rom"
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system: nintendo-sgb
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required: false
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note: "Selected by the higan_sfc_sgb_bios option."
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source_ref: "source nSide/target-libretro/libretro-sfc.cpp:179-215, source nSide/sfc-balanced/cartridge/load.cpp:159-162"
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- name: "lr35902.boot.rom"
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path: "SGB2.sfc/lr35902.boot.rom"
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system: nintendo-sgb
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size: 256
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sha1: "93407ea10d2f30ab96a314d8eca44fe160aea734"
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required: false
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note: "Falls back to lr35902.boot.rom at the system directory root."
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source_ref: "source nSide/gb/system/system.cpp:54-65, source nSide/emulator/game.hpp:101-104, source icarus/heuristics/super-famicom.cpp:103, source icarus/heuristics/super-famicom.cpp:523-527"
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