mirror of
https://github.com/Abdess/retroarch_system.git
synced 2026-10-18 09:23:26 -05:00
Abdessamad Derraz
a08827257d
Mega CD US BIOS serves every non-EU, non-JP disc; Dolphin boots Korean discs from the JAP directory; Beetle never opens scph5903.bin under that name.
105 lines
2.9 KiB
YAML
105 lines
2.9 KiB
YAML
emulator: Genesis Plus GX Wide
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type: libretro
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core_classification: enhanced_fork
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source: "https://github.com/libretro/Genesis-Plus-GX-Wide"
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upstream: "https://github.com/ekeeke/Genesis-Plus-GX"
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profiled_date: "2026-03-23"
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source_commit: "b7ad005431f5f0b55e559f6d598d1ed2479bf13b"
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core_version: "v1.7.4"
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display_name: "Sega - MS/GG/MD/CD (Genesis Plus GX Wide)"
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cores:
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- genesis_plus_gx_wide
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- genesisplusgxwide
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- genesisplusgx-wide
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systems:
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- sega-megadrive
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- sega-megacd
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- sega-mastersystem
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- sega-gamegear
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- sega-sg1000
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- sega-pico
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notes: |
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Widescreen hack of Genesis Plus GX by heyjoeway. Adds automatic
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widescreen rendering to Mega Drive games. BIOS loading identical to
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standard Genesis Plus GX (libretro.c:3547-3558).
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files:
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- name: bios_CD_U.bin
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system: sega-megacd
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region: [north-america, latin-america]
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required: true
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size: 131072
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source_ref: "core/loadrom.c:408"
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- name: bios_CD_E.bin
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system: sega-megacd
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region: [europe, oceania]
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required: true
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size: 131072
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note: "Loaded for REGION_EUROPE, set by security byte 0x64 at 0x20b, the only PAL branch for Australian discs (core/loadrom.c:1059-1063)."
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source_ref: "core/loadrom.c:411"
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- name: bios_CD_J.bin
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system: sega-megacd
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region: [japan]
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required: true
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size: 131072
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source_ref: "core/loadrom.c:414"
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- name: bios_U.sms
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system: sega-mastersystem
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region: [north-america, europe]
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required: false
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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)."
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source_ref: "core/loadrom.c:512"
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- name: bios_E.sms
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system: sega-mastersystem
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required: false
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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)."
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source_ref: "core/loadrom.c:515"
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- name: bios_J.sms
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system: sega-mastersystem
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region: [japan]
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required: false
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source_ref: "core/loadrom.c:518"
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- name: bios.gg
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system: sega-gamegear
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required: false
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source_ref: "core/loadrom.c:481"
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- name: bios_MD.bin
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system: sega-megadrive
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required: false
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size: 2048
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source_ref: "libretro/libretro.c:3939"
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- name: ggenie.bin
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system: sega-megadrive
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required: false
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size: 32768
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source_ref: "core/cart_hw/ggenie.c:64, libretro/libretro.c:3803"
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- name: areplay.bin
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system: sega-megadrive
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required: false
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size: 65536
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source_ref: "core/cart_hw/areplay.c:64, libretro/libretro.c:3804"
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- name: sk.bin
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system: sega-megadrive
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required: false
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size: 2097152
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validation: [size]
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source_ref: "core/cart_hw/md_cart.c:750"
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- name: sk2chip.bin
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system: sega-megadrive
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required: false
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size: 262144
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validation: [size]
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source_ref: "core/cart_hw/md_cart.c:756"
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