{
  "count": 1,
  "generated_at": "2026-10-20T02:57:31Z",
  "items": [
    {
      "id": "yabause",
      "profile": {
        "core_classification": "community_fork",
        "core_version": "v0.9.15",
        "cores": [
          "yabause"
        ],
        "display_name": "Sega - Saturn (Yabause)",
        "emulator": "yabause",
        "files": [
          {
            "hle_fallback": true,
            "max_size": 524288,
            "name": "saturn_bios.bin",
            "note": "Primary Saturn BIOS. Any region accepted.",
            "priority": 1,
            "required": true,
            "source_ref": "yabause/src/libretro/libretro.c:1035",
            "system": "sega-saturn",
            "validation": [
              "max_size"
            ]
          },
          {
            "hle_fallback": true,
            "max_size": 524288,
            "name": "sega_101.bin",
            "note": "Saturn BIOS v1.01 (Japan). Fallback if saturn_bios.bin missing.",
            "priority": 2,
            "required": false,
            "source_ref": "yabause/src/libretro/libretro.c:1039",
            "system": "sega-saturn",
            "validation": [
              "max_size"
            ]
          },
          {
            "hle_fallback": true,
            "max_size": 524288,
            "name": "mpr-17933.bin",
            "note": "Saturn BIOS (NA/EU). Last fallback.",
            "priority": 3,
            "required": false,
            "source_ref": "yabause/src/libretro/libretro.c:1043",
            "system": "sega-saturn",
            "validation": [
              "max_size"
            ]
          }
        ],
        "notes": "Yabause is a software-rendered Sega Saturn emulator. Upstream project is\ndead. The libretro port is maintained by the community on the master branch of\nlibretro/yabause.\n\nSaturn BIOS search order:\n  1. {system}/saturn_bios.bin\n  2. {system}/sega_101.bin\n  3. {system}/mpr-17933.bin\nFirst file found wins. HLE BIOS available via yabause_force_hle_bios core\noption (reduced compatibility). Multi-disc (m3u) requires real BIOS.\n\nAddon cartridges: 1M/4M RAM expansion via core option (no files needed).\nROM cartridge loading, SH1 ROM (CD Block LLE), and MPEG card ROM are\nstandalone-only features disabled in the libretro port.\n\nBIOS loading: retro_load_game() at yabause/src/libretro/libretro.c:1035-1049.\nCore load: LoadBios() at yabause/src/memory.c:1260-1263, T123Load() at yabause/src/memory.h:196-265.\n",
        "profiled_date": "2026-03-25",
        "source": "https://github.com/libretro/yabause",
        "source_commit": "8926b0c6c347f8c5c755911ddb0ac695420ffbf8",
        "systems": [
          "sega-saturn"
        ],
        "type": "libretro",
        "upstream": "https://github.com/Yabause/yabause"
      }
    }
  ],
  "kind": "emulators",
  "schema_version": 1
}