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refactor: fold mednafen_pce into beetle_pce

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Both profiled libretro/beetle-pce-libretro at b96c11e. mednafen_pce
becomes an alias; beetle_pce takes its pce core name and the RetroPie
name beetle-pce. core_version follows libretro.cpp:30 (v1.29.0).
This commit is contained in:
Abdessamad Derraz committed 2026-10-24 00:57:58 +02:00
1 parent 67b0b32790
commit 22f1edb7d3
2 files changed
+20 -67
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emulators/beetle_pce.yml
+12 -9
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@@ -5,19 +5,22 @@ source: "https://github.com/libretro/beetle-pce-libretro"
upstream: "https://mednafen.github.io/"
profiled_date: "2026-03-24"
source_commit: "b96c11e095b6a40a412d2da02766ae1c3f4fd539"
core_version: "v0.9.38.7"
core_version: "v1.29.0"
display_name: "NEC - PC Engine / SuperGrafx / CD (Beetle PCE)"
cores: [mednafen_pce]
cores: [beetle_pce, mednafen_pce, pce, beetle-pce]
systems: [nec-pc-engine]
verification: existence
notes: >
Libretro port of Mednafen's PCE-Accurate module. BIOS loaded from system
directory at CD-ROM load time via PCE_LoadCD() in mednafen/pce/pce.cpp:441-460.
Core option "pce_cdbios" selects which card image to use (default: System Card 3).
DetectGECD() auto-detects Games Express discs and switches to gexpress.pce.
Arcade Card mode (pce_arcadecard option, enabled by default) extends System Card 3
with extra RAM mapping via SYSCARD_ARCADE enum.
No hash or size validation on BIOS load: file_open() then HuC_Load() reads data directly.
Libretro port of Mednafen's PCE module (libretro.cpp:30), with SuperGrafx
and CD support. The BIOS is loaded from the system directory at CD-ROM
load time via PCE_LoadCD() in mednafen/pce/pce.cpp:441-460, so HuCard
content runs without it. Core option "pce_cdbios" selects which card image
to use (default: System Card 3). DetectGECD() auto-detects Games Express
discs and switches to the pce.gecdbios setting, fixed to gexpress.pce.
Arcade Card mode (pce_arcadecard option, enabled by default) extends System
Card 3 with extra RAM mapping via the SYSCARD_ARCADE enum.
No hash or size validation on BIOS load: file_open() then HuC_Load() reads
the data directly.
DetectSGXCD() reads sector data to decide SGX mode but uses the same BIOS files.
files:
emulators/mednafen_pce.yml
+8 -58
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@@ -1,60 +1,10 @@
emulator: "Beetle PCE"
type: libretro
core_classification: community_fork
source: "https://github.com/libretro/beetle-pce-libretro"
upstream: "https://mednafen.github.io/"
emulator: "mednafen_pce"
type: alias
alias_of: "beetle_pce"
profiled_date: "2026-03-24"
source_commit: "b96c11e095b6a40a412d2da02766ae1c3f4fd539"
core_version: "v0.9.38.7"
core_version: "v1.29.0"
display_name: "NEC - PC Engine / SuperGrafx / CD (Beetle PCE)"
cores: [mednafen_pce, pce]
systems: [nec-pc-engine]
verification: existence
notes: >
Fork of Mednafen's pce module (accurate, with SuperGrafx and CD support).
Separate codebase from mednafen_pce_fast (mednafen/pce/ vs mednafen/pce_fast/).
BIOS loaded via PCE_LoadCD() at CD-ROM load time. Core option "pce_cdbios"
selects which card image to use (default: System Card 3).
DetectGECD() auto-detects Games Express discs and overrides to gexpress.pce.
Arcade Card mode (pce_arcadecard option, enabled by default) extends System
Card 3 with extra RAM mapping.
No hash or size validation on BIOS load.
Upstream pce module has configurable pce.cdbios/pce.gecdbios string settings, and
the 6-option dropdown is a libretro addition.
files:
- name: "syscard3.pce"
description: "CD-ROM System Card 3.0 (Japan)"
required: true
source_ref: "libretro.cpp:1051-1052, mednafen/settings.cpp:40"
note: "Default value for pce_cdbios option."
- name: "syscard2.pce"
description: "CD-ROM System Card 2.0 (Japan)"
required: false
source_ref: "libretro.cpp:1053-1054"
note: "pce_cdbios = 'System Card 2'."
- name: "syscard1.pce"
description: "CD-ROM System Card 1.0 (Japan)"
required: false
source_ref: "libretro.cpp:1055-1056"
note: "pce_cdbios = 'System Card 1'."
- name: "gexpress.pce"
description: "Games Express CD Card"
required: false
source_ref: "libretro.cpp:1057-1058, mednafen/settings.cpp:41, mednafen/pce/pce.cpp:373-411"
note: "pce_cdbios = 'Games Express' or auto-detected via DetectGECD()."
- name: "syscard3u.pce"
description: "CD-ROM System Card 3.0 (US / TurboGrafx-CD)"
required: false
source_ref: "libretro.cpp:1059-1060"
note: "pce_cdbios = 'System Card 3 US'. Not in .info."
- name: "syscard2u.pce"
description: "CD-ROM System Card 2.0 (US / TurboGrafx-CD)"
required: false
source_ref: "libretro.cpp:1061-1062"
note: "pce_cdbios = 'System Card 2 US'. Not in .info."
cores:
- mednafen_pce
note: "This core uses the same BIOS/firmware as beetle_pce. See emulators/beetle_pce.yml for details."
files: []