mirror of
https://github.com/Abdess/retroarch_system.git
synced 2026-10-20 10:23:16 -05:00
Abdessamad Derraz
bb19a6d5cf
100 emulator names the two platforms run had no profile, so their packs carried nothing for them. Each was read from the platform's own launcher or scriptmodule: the same program as an existing profile takes the name in cores:, a different build gets its own profile read from that version, a launcher or self-contained game goes to remove_cores, and the rest are new profiles written from their source or shipped binary. The files they need that the collection lacked are collected from the upstream distributions. Bungie and splitwolf trees are read by path and stay out of dedup.
128 lines
4.7 KiB
YAML
128 lines
4.7 KiB
YAML
emulator: Genesis Plus GX Expanded
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type: libretro
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core_classification: enhanced_fork
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source: "https://github.com/BillyTimeGames/Genesis-Plus-GX-Expanded-Rom-Size"
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upstream: "https://github.com/ekeeke/Genesis-Plus-GX"
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profiled_date: "2026-10-20"
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source_commit: "dea3528cc0e3f54098e1fb91e3ae7e0e5d90a590"
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upstream_commit: "e366ca817f5b750ad06a8e2c5976d79b3758ea0a"
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core_version: "v1.7.4"
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display_name: "Sega - MS/GG/MD/CD (Genesis Plus GX Expanded)"
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cores:
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- genesis_plus_gx_expanded
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- genesisplusgx-expanded
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built_by:
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- batocera
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- retrobat
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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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Fork of Genesis Plus GX branched from ekeeke's tree at e366ca8 (May 2022).
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Makefile.libretro builds it with MAXROMSIZE 93554432 for Sega Channel
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dumps and large hacks, and it adds a Paprium mapper (core/cart_hw/paprium.h).
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RapidEdwin08/Genesis-Plus-GX-Expanded-Rom-Size, which Batocera builds as
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genesisplusgx-expanded at 181e8f93, carries the same core/, libretro/ and
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Makefile.libretro as this pin. RetroBat ships genesis_plus_gx_expanded_libretro.dll
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from its own core repository, and its strings carry the same file names and
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the Paprium track list.
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The system files are those of the mainline core, under the same names and
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read the same way: fill_pathname_join builds all twelve paths from the
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system directory (libretro/libretro.c:3581-3592). The Mega CD boot ROM of the
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disc's region is required, the Master System, Game Gear and Mega Drive boot
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ROMs are read only with the genesis_plus_gx_bios option, and the lock-on
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ROMs only with the matching lock-on cartridge.
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The Paprium mapper streams its music from a paprium folder next to the
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game, MP3 tracks named after the soundtrack (core/cart_hw/paprium.h:158-261).
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Those belong to the game release. The paprium.wav reader sits under if(0)
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(core/cart_hw/paprium.h:2748-2760) and never runs.
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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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note: "Sega CD (NTSC-U) boot ROM. Loaded for REGION_USA, which get_region sets for every disc whose security byte at 0x20b is neither 0x64 nor 0xa1 (core/loadrom.c:1056-1070)."
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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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note: "Mega CD (PAL) boot ROM. Loaded for REGION_EUROPE, set by security byte 0x64 (core/loadrom.c:1059-1061)."
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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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note: "Mega CD (NTSC-J) boot ROM. Loaded for every other region code."
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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: "Master System (NTSC-U) boot ROM, loaded for REGION_USA when the bios option is on."
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source_ref: "core/loadrom.c:510"
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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: "Master System (PAL) boot ROM, loaded for REGION_EUROPE when the bios option is on."
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source_ref: "core/loadrom.c:513"
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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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note: "Master System (NTSC-J) boot ROM, loaded for the Japanese region codes when the bios option is on."
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source_ref: "core/loadrom.c:516"
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- name: bios.gg
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system: sega-gamegear
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required: false
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note: "Game Gear boot ROM, 1 KB Majesco image or a larger one, loaded when the bios option is on."
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source_ref: "core/loadrom.c:479"
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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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note: "Mega Drive TMSS boot ROM. 2 KB read, accepted when \"GENESIS OS\" sits at 0x120."
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source_ref: "libretro/libretro.c:3713-3721"
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- name: ggenie.bin
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system: sega-megadrive
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required: false
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note: "Game Genie ROM, read when the Game Genie lock-on is selected."
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source_ref: "core/cart_hw/ggenie.c:64, libretro/libretro.c:3581"
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- name: areplay.bin
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system: sega-megadrive
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required: false
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note: "Action Replay (Pro) ROM, read when the Action Replay lock-on is selected."
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source_ref: "core/cart_hw/areplay.c:64, libretro/libretro.c:3582"
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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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note: "Sonic & Knuckles ROM for the lock-on cartridge, kept only when the read fills 2 MB."
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source_ref: "core/cart_hw/md_cart.c:762"
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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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note: "Sonic & Knuckles UPMEM ROM, read after sk.bin and kept only when the read fills 256 KB."
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source_ref: "core/cart_hw/md_cart.c:768"
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