{
  "count": 1,
  "generated_at": "2026-10-20T02:57:31Z",
  "items": [
    {
      "id": "genesis_plus_gx_wide",
      "profile": {
        "core_classification": "enhanced_fork",
        "core_version": "v1.7.4",
        "cores": [
          "genesis_plus_gx_wide",
          "genesisplusgxwide",
          "genesisplusgx-wide"
        ],
        "display_name": "Sega - MS/GG/MD/CD (Genesis Plus GX Wide)",
        "emulator": "Genesis Plus GX Wide",
        "files": [
          {
            "name": "bios_CD_U.bin",
            "region": [
              "north-america",
              "latin-america"
            ],
            "required": true,
            "size": 131072,
            "source_ref": "core/loadrom.c:408",
            "system": "sega-megacd"
          },
          {
            "name": "bios_CD_E.bin",
            "note": "Loaded for REGION_EUROPE, set by security byte 0x64 at 0x20b, the only PAL branch for Australian discs (core/loadrom.c:1059-1063).",
            "region": [
              "europe",
              "oceania"
            ],
            "required": true,
            "size": 131072,
            "source_ref": "core/loadrom.c:411",
            "system": "sega-megacd"
          },
          {
            "name": "bios_CD_J.bin",
            "region": [
              "japan"
            ],
            "required": true,
            "size": 131072,
            "source_ref": "core/loadrom.c:414",
            "system": "sega-megacd"
          },
          {
            "name": "bios_U.sms",
            "note": "REGION_USA is the default of sms_cart_region_detect for any export header outside the PAL CRC list, so European cartridges load it too (core/cart_hw/sms_cart.c:863-864).",
            "region": [
              "north-america",
              "europe"
            ],
            "required": false,
            "source_ref": "core/loadrom.c:512",
            "system": "sega-mastersystem"
          },
          {
            "name": "bios_E.sms",
            "note": "REGION_EUROPE comes only from CRC lists of Codemasters and PAL-timing games, Brazilian ones included, or the PAL option (core/cart_hw/sms_cart.c:163-167, 239-258, core/loadrom.c:1155-1158).",
            "required": false,
            "source_ref": "core/loadrom.c:515",
            "system": "sega-mastersystem"
          },
          {
            "name": "bios_J.sms",
            "region": [
              "japan"
            ],
            "required": false,
            "source_ref": "core/loadrom.c:518",
            "system": "sega-mastersystem"
          },
          {
            "name": "bios.gg",
            "required": false,
            "source_ref": "core/loadrom.c:481",
            "system": "sega-gamegear"
          },
          {
            "name": "bios_MD.bin",
            "required": false,
            "size": 2048,
            "source_ref": "libretro/libretro.c:3939",
            "system": "sega-megadrive"
          },
          {
            "name": "ggenie.bin",
            "required": false,
            "size": 32768,
            "source_ref": "core/cart_hw/ggenie.c:64, libretro/libretro.c:3803",
            "system": "sega-megadrive"
          },
          {
            "name": "areplay.bin",
            "required": false,
            "size": 65536,
            "source_ref": "core/cart_hw/areplay.c:64, libretro/libretro.c:3804",
            "system": "sega-megadrive"
          },
          {
            "name": "sk.bin",
            "required": false,
            "size": 2097152,
            "source_ref": "core/cart_hw/md_cart.c:750",
            "system": "sega-megadrive",
            "validation": [
              "size"
            ]
          },
          {
            "name": "sk2chip.bin",
            "required": false,
            "size": 262144,
            "source_ref": "core/cart_hw/md_cart.c:756",
            "system": "sega-megadrive",
            "validation": [
              "size"
            ]
          }
        ],
        "notes": "Widescreen hack of Genesis Plus GX by heyjoeway. Adds automatic\nwidescreen rendering to Mega Drive games. BIOS loading identical to\nstandard Genesis Plus GX (libretro.c:3547-3558).\n",
        "profiled_date": "2026-03-23",
        "source": "https://github.com/libretro/Genesis-Plus-GX-Wide",
        "source_commit": "b7ad005431f5f0b55e559f6d598d1ed2479bf13b",
        "systems": [
          "sega-megadrive",
          "sega-megacd",
          "sega-mastersystem",
          "sega-gamegear",
          "sega-sg1000",
          "sega-pico"
        ],
        "type": "libretro",
        "upstream": "https://github.com/ekeeke/Genesis-Plus-GX"
      }
    }
  ],
  "kind": "emulators",
  "schema_version": 1
}