{
  "commit": "d38cd580364b2c788e633b9e51c15e1668f726c0",
  "count": 1,
  "generated_at": "2026-11-03T13:36:34Z",
  "items": [
    {
      "id": "chimerasnes",
      "profile": {
        "core_classification": "community_fork",
        "core_version": "86bab70_20231001-4-g04c57c2",
        "cores": [
          "chimerasnes"
        ],
        "display_name": "Nintendo - SNES / SFC (ChimeraSNES)",
        "emulator": "ChimeraSNES",
        "files": [
          {
            "aliases": [
              "BS-X.bios"
            ],
            "description": "Satellaview BS-X BIOS",
            "name": "BS-X.bin",
            "note": "Loaded by BSX_LoadBIOS() from system_dir when core option\nchimerasnes_bsx_bios is set to 'load' (default: skip).\nTries BS-X.bin first, then BS-X.bios as fallback.\nSize must be BIOS_SIZE (0x100000). Many BS-X games run without it.\n",
            "required": false,
            "size": 1048576,
            "source_ref": "source source/bsx.c:857-882",
            "system": "nintendo-satellaview",
            "validation": [
              "size"
            ]
          },
          {
            "description": "Sufami Turbo BIOS",
            "name": "STBIOS.bin",
            "note": "Loaded by LoadSFTBIOS() from system_dir when Sufami Turbo game\ndetected (BANDAI SFC-ADX header at ROM offset 0, memmap.c:833).\nReads 0x40000 bytes into Memory.ROM. No validation performed.\n",
            "required": true,
            "size": 262144,
            "source_ref": "source source/memmap.c:275-289",
            "system": "nintendo-sufami-turbo"
          }
        ],
        "notes": "Based on multiple snes9x forks (uosnes, snes9x2005), optimized for slow hardware.\nAll coprocessor data (DSP1-4, CX4, SuperFX, SA-1, SPC7110, OBC1) is HLE with\nembedded ROM tables. No external coprocessor firmware needed.\nBS-X BIOS loading controlled by core option chimerasnes_bsx_bios (default: skip).\nretro_load_game_special() returns false (no subsystem support).\n.info firmware_count absent (= 0), under-declares: code loads 2 files.\n",
        "profiled_date": "2026-03-23",
        "source": "https://github.com/jamsilva/chimerasnes",
        "source_commit": "04c57c2902c25f36ae5a5d9c57aff851a772c868",
        "systems": [
          "nintendo-snes",
          "nintendo-satellaview",
          "nintendo-sufami-turbo"
        ],
        "type": "libretro",
        "upstream": "https://github.com/snes9xgit/snes9x",
        "upstream_commit": "1bcc369e89f08243e0a462882fb1f3e42e51de3a",
        "version_basis": {
          "distance": 4,
          "kind": "tag",
          "tag": "86bab70_20231001"
        }
      }
    }
  ],
  "kind": "emulators",
  "schema_version": 1
}