From f0e023ac24734014729a934cc2446ae419501ecc Mon Sep 17 00:00:00 2001
From: Abdessamad Derraz <3028866+Abdess@users.noreply.github.com>
Date: Mon, 10 Aug 2026 17:22:21 +0200
Subject: [PATCH] feat: annotate region on emulator profiles

---
 emulators/81.yml                   |  6 ++++++
 emulators/ace-dl.yml               | 13 +++++++++++++
 emulators/ares.yml                 | 13 +++++++++++++
 emulators/bluemsx.yml              | 31 ++++++++++++++++++++++++++++++
 emulators/cpcemu.yml               |  5 +++++
 emulators/dolphin.yml              |  3 +++
 emulators/ep128emu.yml             |  1 +
 emulators/ep128emu_core.yml        |  1 +
 emulators/fmsx.yml                 |  2 ++
 emulators/genesis_plus_gx.yml      |  6 ++++++
 emulators/genesis_plus_gx_wide.yml |  6 ++++++
 emulators/ishiiruka.yml            |  3 +++
 emulators/jgenesis.yml             |  3 +++
 emulators/picodrive.yml            | 12 ++++++++++++
 emulators/primehack.yml            |  3 +++
 emulators/prosystem.yml            |  2 ++
 emulators/rosalies-mupen-gui.yml   |  2 ++
 emulators/vice.yml                 | 13 +++++++++++++
 emulators/x64sdl.yml               |  2 ++
 19 files changed, 127 insertions(+)

diff --git a/emulators/81.yml b/emulators/81.yml
index 6bac038a..1c169552 100644
--- a/emulators/81.yml
+++ b/emulators/81.yml
@@ -427,6 +427,7 @@ files:
     source_ref: "Source/zx81config.cpp:261-263, Source/HW_.cpp:2800-2807"
   - name: spectrum48.spanish.rom
     system: sinclair-zx-spectrum
+    region: [spain]
     required: false
     mode: standalone
     size: 16384
@@ -470,6 +471,7 @@ files:
     source_ref: "Source/zx81config.cpp:264, Source/HW_.cpp:2817-2821"
   - name: spectrum128.spanish.rom
     system: sinclair-zx-spectrum
+    region: [spain]
     required: false
     mode: standalone
     size: 32768
@@ -485,6 +487,7 @@ files:
     source_ref: "Source/zx81config.cpp:266, Source/HW_.cpp:2824-2829"
   - name: spectrum+2.french.rom
     system: sinclair-zx-spectrum
+    region: [france]
     required: false
     mode: standalone
     size: 32768
@@ -492,6 +495,7 @@ files:
     source_ref: "Source/HW_.cpp:2826"
   - name: spectrum+2.spanish.rom
     system: sinclair-zx-spectrum
+    region: [spain]
     required: false
     mode: standalone
     size: 32768
@@ -507,6 +511,7 @@ files:
     source_ref: "Source/HW_.cpp:2833, Source/HW_.cpp:2854"
   - name: spectrum+3.version4-0.spanish.rom
     system: sinclair-zx-spectrum
+    region: [spain]
     required: false
     mode: standalone
     size: 65536
@@ -522,6 +527,7 @@ files:
     source_ref: "Source/zx81config.cpp:267-268, Source/HW_.cpp:2834, Source/HW_.cpp:2855"
   - name: spectrum+3.version4-1.spanish.rom
     system: sinclair-zx-spectrum
+    region: [spain]
     required: false
     mode: standalone
     size: 65536
diff --git a/emulators/ace-dl.yml b/emulators/ace-dl.yml
index 1b6572c4..864936bf 100644
--- a/emulators/ace-dl.yml
+++ b/emulators/ace-dl.yml
@@ -88,6 +88,7 @@ files:
   - name: OS6128_UK.rom
     path: "private/firmware/OS6128_UK.rom"
     system: amstrad-cpc
+    region: [uk]
     required: true
     min_size: 32768
     validation: [size]
@@ -101,6 +102,7 @@ files:
   - name: OS6128_FR.rom
     path: "private/firmware/OS6128_FR.rom"
     system: amstrad-cpc
+    region: [france]
     required: false
     min_size: 32768
     validation: [size]
@@ -112,6 +114,7 @@ files:
   - name: OS6128_S.rom
     path: "private/firmware/OS6128_S.rom"
     system: amstrad-cpc
+    region: [spain]
     required: false
     min_size: 32768
     validation: [size]
@@ -123,6 +126,7 @@ files:
   - name: OS6128_DK.rom
     path: "private/firmware/OS6128_DK.rom"
     system: amstrad-cpc
+    region: [denmark]
     required: false
     min_size: 32768
     validation: [size]
@@ -134,6 +138,7 @@ files:
   - name: OS464_UK.rom
     path: "private/firmware/OS464_UK.rom"
     system: amstrad-cpc
+    region: [uk]
     required: false
     min_size: 32768
     validation: [size]
@@ -145,6 +150,7 @@ files:
   - name: OS464_FR.rom
     path: "private/firmware/OS464_FR.rom"
     system: amstrad-cpc
+    region: [france]
     required: false
     min_size: 32768
     validation: [size]
@@ -158,6 +164,7 @@ files:
   - name: OS664_UK.rom
     path: "private/firmware/OS664_UK.rom"
     system: amstrad-cpc
+    region: [uk]
     required: false
     min_size: 32768
     validation: [size]
@@ -169,6 +176,7 @@ files:
   - name: XMEM_FW_3_15_UK.rom
     path: "private/firmware/XMEM_FW_3_15_UK.rom"
     system: amstrad-cpc
+    region: [uk]
     required: false
     min_size: 32768
     validation: [size]
@@ -180,6 +188,7 @@ files:
   - name: XMEM_FW_3_15_FR.rom
     path: "private/firmware/XMEM_FW_3_15_FR.rom"
     system: amstrad-cpc
+    region: [france]
     required: false
     min_size: 32768
     validation: [size]
@@ -215,6 +224,7 @@ files:
   - name: Amstrad_f4.cpr
     path: "private/firmware/Amstrad_f4.cpr"
     system: amstrad-cpc
+    region: [france]
     required: false
     size: 131156
     md5: e7159fd674022ba05f9b347ae3cdafc6
@@ -225,6 +235,7 @@ files:
   - name: Amstrad_s4.cpr
     path: "private/firmware/Amstrad_s4.cpr"
     system: amstrad-cpc
+    region: [spain]
     required: false
     size: 131156
     md5: 6eeed3fdd4abc98a2a932da810410128
@@ -246,6 +257,7 @@ files:
   - name: hackit400uk.rom
     path: "private/hacker/hackit400uk.rom"
     system: amstrad-cpc
+    region: [uk]
     required: false
     size: 16384
     md5: 9a293eaaebca601f671070ad56cb81b6
@@ -257,6 +269,7 @@ files:
   - name: hacker481fr.rom
     path: "private/hacker/hacker481fr.rom"
     system: amstrad-cpc
+    region: [france]
     required: false
     size: 16384
     md5: dfdd9924295f491d54f30569874287f8
diff --git a/emulators/ares.yml b/emulators/ares.yml
index c6a00d94..5107ee89 100644
--- a/emulators/ares.yml
+++ b/emulators/ares.yml
@@ -132,6 +132,7 @@ files:
   # --- Master System ---
   - name: bios_U.sms
     system: master-system
+    region: [north-america]
     required: false
     mode: standalone
     sha256: "477617917a12a30f9f43844909dc2de6e6a617430f5c9a36306c86414a670d50"
@@ -141,6 +142,7 @@ files:
 
   - name: bios_J.sms
     system: master-system
+    region: [japan]
     required: false
     mode: standalone
     sha256: "67846e26764bd862f19179294347f7353a4166b62ac4198a5ec32933b7da486e"
@@ -150,6 +152,7 @@ files:
 
   - name: bios_E.sms
     system: master-system
+    region: [europe]
     required: false
     mode: standalone
     sha256: "477617917a12a30f9f43844909dc2de6e6a617430f5c9a36306c86414a670d50"
@@ -161,6 +164,7 @@ files:
   # Also used by Mega CD 32X (desktop-ui/emulator/mega-cd-32x.cpp)
   - name: bios_CD_U.bin
     system: mega-cd
+    region: [north-america]
     required: true
     mode: standalone
     sha256: "fb477cdbf94c84424c2feca4fe40656d85393fe7b7b401911b45ad2eb991258c"
@@ -170,6 +174,7 @@ files:
 
   - name: bios_CD_J.bin
     system: mega-cd
+    region: [japan]
     required: true
     mode: standalone
     sha256: "7133fc2dd2fe5b7d0acd53a5f10f3d00b5d31270239ad20d74ef32393e24af88"
@@ -179,6 +184,7 @@ files:
 
   - name: bios_CD_E.bin
     system: mega-cd
+    region: [europe]
     required: true
     mode: standalone
     sha256: "fe608a2a07676a23ab5fd5eee2f53c9e2526d69a28aa16ccd85c0ec42e6933cb"
@@ -189,6 +195,7 @@ files:
   # --- Mega LD (LaserActive SEGA PAC) ---
   - name: mega_ld_bios_U.bin
     system: mega-ld
+    region: [north-america]
     required: true
     mode: standalone
     sha256: "e89b5a319f66406611ec82fe5c4aa6827c175a05135bd7bd177366cba0465021"
@@ -198,6 +205,7 @@ files:
 
   - name: mega_ld_bios_J.bin
     system: mega-ld
+    region: [japan]
     required: true
     mode: standalone
     sha256: "dca942d977217f703d8d1c6eb1aeb6b32c78ecc421486bbb46c459d385161c94"
@@ -273,6 +281,7 @@ files:
   # --- Nintendo 64DD ---
   - name: 64dd_ipl_J.bin
     system: nintendo-64dd
+    region: [japan]
     required: true
     mode: standalone
     sha256: "806400ec0df94b0755de6c5b8249d6b6a9866124c5ddbdac198bde22499bfb8b"
@@ -282,6 +291,7 @@ files:
 
   - name: 64dd_ipl_U.bin
     system: nintendo-64dd
+    region: [north-america]
     required: true
     mode: standalone
     sha256: "e9fec87a45fba02399e88064b9e2f8cf0f2106e351c58279a87f05da5bc984ad"
@@ -394,6 +404,7 @@ files:
   # --- Saturn ---
   - name: saturn_bios_U.bin
     system: saturn
+    region: [north-america]
     required: true
     mode: standalone
     description: "Sega Saturn BIOS (US)"
@@ -401,6 +412,7 @@ files:
 
   - name: saturn_bios_J.bin
     system: saturn
+    region: [japan]
     required: true
     mode: standalone
     description: "Sega Saturn BIOS (Japan)"
@@ -408,6 +420,7 @@ files:
 
   - name: saturn_bios_E.bin
     system: saturn
+    region: [europe]
     required: true
     mode: standalone
     description: "Sega Saturn BIOS (Europe)"
diff --git a/emulators/bluemsx.yml b/emulators/bluemsx.yml
index 2c707995..a0d2c13a 100644
--- a/emulators/bluemsx.yml
+++ b/emulators/bluemsx.yml
@@ -80,6 +80,7 @@ files:
 
   - name: MSXJ.rom
     path: "Machines/Shared Roms/MSXJ.rom"
+    region: [japan]
     size: 32768
     required: false
     system: msx
@@ -88,6 +89,7 @@ files:
 
   - name: MSXBR.rom
     path: "Machines/Shared Roms/MSXBR.rom"
+    region: [brazil]
     size: 32768
     required: false
     system: msx
@@ -95,6 +97,7 @@ files:
 
   - name: MSXFR.rom
     path: "Machines/Shared Roms/MSXFR.rom"
+    region: [france]
     size: 32768
     required: false
     system: msx
@@ -102,6 +105,7 @@ files:
 
   - name: MSXG.rom
     path: "Machines/Shared Roms/MSXG.rom"
+    region: [germany]
     size: 32768
     required: false
     system: msx
@@ -109,6 +113,7 @@ files:
 
   - name: MSXKR.rom
     path: "Machines/Shared Roms/MSXKR.rom"
+    region: [south-korea]
     size: 32768
     required: false
     system: msx
@@ -116,6 +121,7 @@ files:
 
   - name: MSXR.rom
     path: "Machines/Shared Roms/MSXR.rom"
+    region: [russia]
     size: 32768
     required: false
     system: msx
@@ -123,6 +129,7 @@ files:
 
   - name: MSXSE.ROM
     path: "Machines/Shared Roms/MSXSE.ROM"
+    region: [sweden]
     size: 32768
     required: false
     system: msx
@@ -130,6 +137,7 @@ files:
 
   - name: MSXSP.rom
     path: "Machines/Shared Roms/MSXSP.rom"
+    region: [spain]
     size: 32768
     required: false
     system: msx
@@ -144,6 +152,7 @@ files:
 
   - name: MSXR2.ROM
     path: "Machines/Shared Roms/MSXR2.ROM"
+    region: [russia]
     size: 32768
     required: false
     system: msx
@@ -151,6 +160,7 @@ files:
 
   - name: MSXHAN.rom
     path: "Machines/Shared Roms/MSXHAN.rom"
+    region: [south-korea]
     size: 8192
     required: false
     system: msx
@@ -176,6 +186,7 @@ files:
 
   - name: MSX2J.rom
     path: "Machines/Shared Roms/MSX2J.rom"
+    region: [japan]
     size: 32768
     required: false
     system: msx2
@@ -183,6 +194,7 @@ files:
 
   - name: MSX2JEXT.rom
     path: "Machines/Shared Roms/MSX2JEXT.rom"
+    region: [japan]
     size: 16384
     required: false
     system: msx2
@@ -190,6 +202,7 @@ files:
 
   - name: MSX2BR.rom
     path: "Machines/Shared Roms/MSX2BR.rom"
+    region: [brazil]
     size: 32768
     required: false
     system: msx2
@@ -197,6 +210,7 @@ files:
 
   - name: MSX2BREXT.rom
     path: "Machines/Shared Roms/MSX2BREXT.rom"
+    region: [brazil]
     size: 16384
     required: false
     system: msx2
@@ -204,6 +218,7 @@ files:
 
   - name: MSX2FR.rom
     path: "Machines/Shared Roms/MSX2FR.rom"
+    region: [france]
     size: 32768
     required: false
     system: msx2
@@ -211,6 +226,7 @@ files:
 
   - name: MSX2FREXT.rom
     path: "Machines/Shared Roms/MSX2FREXT.rom"
+    region: [france]
     size: 16384
     required: false
     system: msx2
@@ -218,6 +234,7 @@ files:
 
   - name: MSX2G.rom
     path: "Machines/Shared Roms/MSX2G.rom"
+    region: [germany]
     size: 32768
     required: false
     system: msx2
@@ -225,6 +242,7 @@ files:
 
   - name: MSX2GEXT.rom
     path: "Machines/Shared Roms/MSX2GEXT.rom"
+    region: [germany]
     size: 16384
     required: false
     system: msx2
@@ -232,6 +250,7 @@ files:
 
   - name: MSX2KR.rom
     path: "Machines/Shared Roms/MSX2KR.rom"
+    region: [south-korea]
     size: 32768
     required: false
     system: msx2
@@ -239,6 +258,7 @@ files:
 
   - name: MSX2KREXT.rom
     path: "Machines/Shared Roms/MSX2KREXT.rom"
+    region: [south-korea]
     size: 32768
     required: false
     system: msx2
@@ -246,6 +266,7 @@ files:
 
   - name: MSX2R.rom
     path: "Machines/Shared Roms/MSX2R.rom"
+    region: [russia]
     size: 32768
     required: false
     system: msx2
@@ -253,6 +274,7 @@ files:
 
   - name: MSX2REXT.rom
     path: "Machines/Shared Roms/MSX2REXT.rom"
+    region: [russia]
     size: 16384
     required: false
     system: msx2
@@ -260,6 +282,7 @@ files:
 
   - name: MSX2R2.ROM
     path: "Machines/Shared Roms/MSX2R2.ROM"
+    region: [russia]
     size: 32768
     required: false
     system: msx2
@@ -267,6 +290,7 @@ files:
 
   - name: MSX2SE.rom
     path: "Machines/Shared Roms/MSX2SE.rom"
+    region: [sweden]
     size: 32768
     required: false
     system: msx2
@@ -274,6 +298,7 @@ files:
 
   - name: MSX2SP.rom
     path: "Machines/Shared Roms/MSX2SP.rom"
+    region: [spain]
     size: 32768
     required: false
     system: msx2
@@ -281,6 +306,7 @@ files:
 
   - name: MSX2SPEXT.rom
     path: "Machines/Shared Roms/MSX2SPEXT.rom"
+    region: [spain]
     size: 16384
     required: false
     system: msx2
@@ -302,6 +328,7 @@ files:
 
   - name: MSX2HAN.rom
     path: "Machines/Shared Roms/MSX2HAN.rom"
+    region: [south-korea]
     size: 32768
     required: false
     system: msx2
@@ -379,6 +406,7 @@ files:
 
   - name: KANJI.rom
     path: "Machines/Shared Roms/KANJI.rom"
+    region: [japan]
     size: 262144
     required: false
     note: "Kanji font ROM (256 KB). Used by MSX2+, turboR, and Japanese MSX2 machines."
@@ -386,6 +414,7 @@ files:
 
   - name: MSXKANJI.rom
     path: "Machines/Shared Roms/MSXKANJI.rom"
+    region: [japan]
     size: 32768
     required: false
     note: "MSX-Kanji driver ROM. Used by MSX2+, turboR, and Japanese MSX2 for kanji display."
@@ -408,6 +437,7 @@ files:
 
   - name: PAINT.rom
     path: "Machines/Shared Roms/PAINT.rom"
+    region: [japan]
     size: 65536
     required: false
     note: "Paint utility ROM. Used by some MSX2 Japanese machine configs."
@@ -426,6 +456,7 @@ files:
 
   - name: HANGUL.rom
     path: "Machines/Shared Roms/HANGUL.rom"
+    region: [south-korea]
     size: 131072
     required: false
     note: "Korean Hangul font ROM (128 KB)."
diff --git a/emulators/cpcemu.yml b/emulators/cpcemu.yml
index 1f22f03c..e8227d2c 100644
--- a/emulators/cpcemu.yml
+++ b/emulators/cpcemu.yml
@@ -169,6 +169,7 @@ files:
   - name: CPC6128.ROM.UK
     path: "ROM/National/CPC6128.ROM.UK"
     system: amstrad-cpc
+    region: [uk]
     required: false
     min_size: 32768
     validation: [size, signature]
@@ -182,6 +183,7 @@ files:
   - name: CPC6128.ROM.FR
     path: "ROM/National/CPC6128.ROM.FR"
     system: amstrad-cpc
+    region: [france]
     required: false
     min_size: 32768
     validation: [size, signature]
@@ -193,6 +195,7 @@ files:
   - name: CPC6128.ROM.ES
     path: "ROM/National/CPC6128.ROM.ES"
     system: amstrad-cpc
+    region: [spain]
     required: false
     min_size: 32768
     validation: [size, signature]
@@ -204,6 +207,7 @@ files:
   - name: CPC6128.ROM.DK
     path: "ROM/National/CPC6128.ROM.DK"
     system: amstrad-cpc
+    region: [denmark]
     required: false
     min_size: 32768
     validation: [size, signature]
@@ -215,6 +219,7 @@ files:
   - name: CPC6128.ROM.SE
     path: "ROM/National/CPC6128.ROM.SE"
     system: amstrad-cpc
+    region: [sweden]
     required: false
     min_size: 32768
     validation: [size, signature]
diff --git a/emulators/dolphin.yml b/emulators/dolphin.yml
index 5b9a15e5..c2c8e11f 100644
--- a/emulators/dolphin.yml
+++ b/emulators/dolphin.yml
@@ -33,6 +33,7 @@ files:
   # Regions: USA, EUR, JAP (legacy), JPN, DEV
   - name: "IPL.bin"
     path: "GC/USA/IPL.bin"
+    region: [north-america]
     size: 2097152
     required: false
     hle_fallback: true
@@ -41,6 +42,7 @@ files:
 
   - name: "IPL.bin"
     path: "GC/EUR/IPL.bin"
+    region: [europe]
     size: 2097152
     required: false
     hle_fallback: true
@@ -49,6 +51,7 @@ files:
 
   - name: "IPL.bin"
     path: "GC/JAP/IPL.bin"
+    region: [japan]
     size: 2097152
     required: false
     hle_fallback: true
diff --git a/emulators/ep128emu.yml b/emulators/ep128emu.yml
index fd2fd1b9..4e2f4c4a 100644
--- a/emulators/ep128emu.yml
+++ b/emulators/ep128emu.yml
@@ -197,6 +197,7 @@ files:
 
   - name: brd.rom
     path: ep128emu/roms/brd.rom
+    region: [germany]
     md5: 6af0402906944fd134004b85097c8524
     required: false
     hle_fallback: true
diff --git a/emulators/ep128emu_core.yml b/emulators/ep128emu_core.yml
index 014f7156..ec582fb4 100644
--- a/emulators/ep128emu_core.yml
+++ b/emulators/ep128emu_core.yml
@@ -101,6 +101,7 @@ files:
   - name: brd.rom
     description: Enterprise 128 German language extension
     path: ep128emu/roms/brd.rom
+    region: [germany]
     required: false
     source_ref: "core/core.cpp:261, roms/roms.hpp:42409-43777"
 
diff --git a/emulators/fmsx.yml b/emulators/fmsx.yml
index c71e38f9..63e3ec7c 100644
--- a/emulators/fmsx.yml
+++ b/emulators/fmsx.yml
@@ -221,6 +221,7 @@ files:
     source_ref: "fMSX/ROMs/CYRILLIC.FNT, libretro.c:1546"
 
   - name: KOREAN.FNT
+    region: [south-korea]
     required: false
     bundled: true
     md5: 73291e76638a2f5aa2eceb843df468f4
@@ -228,6 +229,7 @@ files:
     source_ref: "fMSX/ROMs/KOREAN.FNT, libretro.c:1546"
 
   - name: JAPANESE.FNT
+    region: [japan]
     required: false
     bundled: true
     md5: aa28f0703b951a6be8df3e28e20d263d
diff --git a/emulators/genesis_plus_gx.yml b/emulators/genesis_plus_gx.yml
index bd715914..766ffee6 100644
--- a/emulators/genesis_plus_gx.yml
+++ b/emulators/genesis_plus_gx.yml
@@ -39,18 +39,21 @@ files:
   # -------------------------------------------------------
   - name: bios_CD_U.bin
     system: sega-megacd
+    region: [north-america]
     required: true
     note: "Sega CD (NTSC-U) boot ROM. Loaded for REGION_USA."
     source_ref: "core/loadrom.c:409"
 
   - name: bios_CD_E.bin
     system: sega-megacd
+    region: [europe]
     required: true
     note: "Mega CD (PAL) boot ROM. Loaded for REGION_EUROPE."
     source_ref: "core/loadrom.c:412"
 
   - name: bios_CD_J.bin
     system: sega-megacd
+    region: [japan]
     required: true
     note: "Mega CD (NTSC-J) boot ROM. Loaded for default/Japan region."
     source_ref: "core/loadrom.c:415"
@@ -60,18 +63,21 @@ files:
   # -------------------------------------------------------
   - name: bios_U.sms
     system: sega-mastersystem
+    region: [north-america]
     required: false
     note: "Master System (NTSC-U) boot ROM. Snail maze game built in."
     source_ref: "core/loadrom.c:511"
 
   - name: bios_E.sms
     system: sega-mastersystem
+    region: [europe]
     required: false
     note: "Master System (PAL) boot ROM. Snail maze / Sonic built in."
     source_ref: "core/loadrom.c:514"
 
   - name: bios_J.sms
     system: sega-mastersystem
+    region: [japan]
     required: false
     note: "Master System (NTSC-J) boot ROM."
     source_ref: "core/loadrom.c:517"
diff --git a/emulators/genesis_plus_gx_wide.yml b/emulators/genesis_plus_gx_wide.yml
index 49d9b732..50d2b5ea 100644
--- a/emulators/genesis_plus_gx_wide.yml
+++ b/emulators/genesis_plus_gx_wide.yml
@@ -27,34 +27,40 @@ notes: |
 files:
   - name: bios_CD_U.bin
     system: sega-megacd
+    region: [north-america]
     required: true
     size: 131072
     source_ref: "core/loadrom.c:408"
 
   - name: bios_CD_E.bin
     system: sega-megacd
+    region: [europe]
     required: true
     size: 131072
     source_ref: "core/loadrom.c:411"
 
   - name: bios_CD_J.bin
     system: sega-megacd
+    region: [japan]
     required: true
     size: 131072
     source_ref: "core/loadrom.c:414"
 
   - name: bios_U.sms
     system: sega-mastersystem
+    region: [north-america]
     required: false
     source_ref: "core/loadrom.c:512"
 
   - name: bios_E.sms
     system: sega-mastersystem
+    region: [europe]
     required: false
     source_ref: "core/loadrom.c:515"
 
   - name: bios_J.sms
     system: sega-mastersystem
+    region: [japan]
     required: false
     source_ref: "core/loadrom.c:518"
 
diff --git a/emulators/ishiiruka.yml b/emulators/ishiiruka.yml
index 51a15d17..b3bc961b 100644
--- a/emulators/ishiiruka.yml
+++ b/emulators/ishiiruka.yml
@@ -31,6 +31,7 @@ files:
   # Checked in User/GC/<region>/ then Sys/GC/<region>/
   - name: "IPL.bin"
     path: "GC/USA/IPL.bin"
+    region: [north-america]
     size: 2097152
     required: false
     hle_fallback: true
@@ -39,6 +40,7 @@ files:
 
   - name: "IPL.bin"
     path: "GC/EUR/IPL.bin"
+    region: [europe]
     size: 2097152
     required: false
     hle_fallback: true
@@ -47,6 +49,7 @@ files:
 
   - name: "IPL.bin"
     path: "GC/JAP/IPL.bin"
+    region: [japan]
     size: 2097152
     required: false
     hle_fallback: true
diff --git a/emulators/jgenesis.yml b/emulators/jgenesis.yml
index 5fd72929..be480b2c 100644
--- a/emulators/jgenesis.yml
+++ b/emulators/jgenesis.yml
@@ -77,6 +77,7 @@ files:
   - name: "bios_CD_U.bin"
     system: sega-megacd
     description: "Sega CD BIOS (US)"
+    region: [north-america]
     required: true
     mode: standalone
     size: 131072
@@ -87,6 +88,7 @@ files:
   - name: "bios_CD_E.bin"
     system: sega-megacd
     description: "Mega CD BIOS (Europe)"
+    region: [europe]
     required: true
     mode: standalone
     size: 131072
@@ -96,6 +98,7 @@ files:
   - name: "bios_CD_J.bin"
     system: sega-megacd
     description: "Mega CD BIOS (Japan)"
+    region: [japan]
     required: true
     mode: standalone
     size: 131072
diff --git a/emulators/picodrive.yml b/emulators/picodrive.yml
index 355952c3..43cfbae1 100644
--- a/emulators/picodrive.yml
+++ b/emulators/picodrive.yml
@@ -64,6 +64,7 @@ files:
   # -------------------------------------------------------
   - name: "us_scd2_9306.bin"
     system: sega-segacd
+    region: [north-america]
     required: true
     size: 131072  # 128 KB (0x20000)
     note: "US Sega CD Model 2 BIOS (September 1993). First in US search order."
@@ -71,6 +72,7 @@ files:
 
   - name: "SegaCDBIOS9303.bin"
     system: sega-segacd
+    region: [north-america]
     required: false
     size: 131072
     note: "US Sega CD BIOS (March 1993). Second in US search order."
@@ -78,6 +80,7 @@ files:
 
   - name: "us_scd1_9210.bin"
     system: sega-segacd
+    region: [north-america]
     required: false
     size: 131072
     note: "US Sega CD Model 1 BIOS (October 1992). Third in US search order."
@@ -85,6 +88,7 @@ files:
 
   - name: "bios_CD_U.bin"
     system: sega-segacd
+    region: [north-america]
     required: false
     size: 131072
     note: "US Sega CD BIOS (generic name). Last in US search order."
@@ -95,6 +99,7 @@ files:
   # -------------------------------------------------------
   - name: "eu_mcd2_9306.bin"
     system: sega-megacd
+    region: [europe]
     required: true
     size: 131072
     note: "EU Mega CD Model 2 BIOS (June 1993). First in EU search order."
@@ -102,6 +107,7 @@ files:
 
   - name: "eu_mcd2_9303.bin"
     system: sega-megacd
+    region: [europe]
     required: false
     size: 131072
     note: "EU Mega CD Model 2 BIOS (March 1993). Second in EU search order."
@@ -109,6 +115,7 @@ files:
 
   - name: "eu_mcd1_9210.bin"
     system: sega-megacd
+    region: [europe]
     required: false
     size: 131072
     note: "EU Mega CD Model 1 BIOS (October 1992). Third in EU search order."
@@ -116,6 +123,7 @@ files:
 
   - name: "bios_CD_E.bin"
     system: sega-megacd
+    region: [europe]
     required: false
     size: 131072
     note: "EU Mega CD BIOS (generic name). Last in EU search order."
@@ -126,6 +134,7 @@ files:
   # -------------------------------------------------------
   - name: "jp_mcd2_921222.bin"
     system: sega-megacd
+    region: [japan]
     required: true
     size: 131072
     note: "JP Mega CD Model 2 BIOS (December 1992). First in JP search order."
@@ -133,6 +142,7 @@ files:
 
   - name: "jp_mcd1_9112.bin"
     system: sega-megacd
+    region: [japan]
     required: false
     size: 131072
     note: "JP Mega CD Model 1 BIOS (December 1991). Second in JP search order."
@@ -140,6 +150,7 @@ files:
 
   - name: "jp_mcd1_9111.bin"
     system: sega-megacd
+    region: [japan]
     required: false
     size: 131072
     note: "JP Mega CD Model 1 BIOS (November 1991). Third in JP search order."
@@ -147,6 +158,7 @@ files:
 
   - name: "bios_CD_J.bin"
     system: sega-megacd
+    region: [japan]
     required: false
     size: 131072
     note: "JP Mega CD BIOS (generic name). Last in JP search order."
diff --git a/emulators/primehack.yml b/emulators/primehack.yml
index fe4545f7..9cee1f52 100644
--- a/emulators/primehack.yml
+++ b/emulators/primehack.yml
@@ -32,6 +32,7 @@ files:
   # Checked in User/GC/<region>/ then Sys/GC/<region>/
   - name: "IPL.bin"
     path: "GC/USA/IPL.bin"
+    region: [north-america]
     size: 2097152
     required: false
     mode: standalone
@@ -41,6 +42,7 @@ files:
 
   - name: "IPL.bin"
     path: "GC/EUR/IPL.bin"
+    region: [europe]
     size: 2097152
     required: false
     mode: standalone
@@ -50,6 +52,7 @@ files:
 
   - name: "IPL.bin"
     path: "GC/JAP/IPL.bin"
+    region: [japan]
     size: 2097152
     required: false
     mode: standalone
diff --git a/emulators/prosystem.yml b/emulators/prosystem.yml
index 361d533d..e820a7d6 100644
--- a/emulators/prosystem.yml
+++ b/emulators/prosystem.yml
@@ -34,6 +34,7 @@ notes: |
 files:
   - name: "7800 BIOS (U).rom"
     system: atari-7800
+    region: [north-america]
     required: false
     hle_fallback: true
     size: 4096
@@ -42,6 +43,7 @@ files:
 
   - name: "7800 BIOS (E).rom"
     system: atari-7800
+    region: [europe]
     required: false
     hle_fallback: true
     size: 16384
diff --git a/emulators/rosalies-mupen-gui.yml b/emulators/rosalies-mupen-gui.yml
index 7864103d..7b5b756b 100644
--- a/emulators/rosalies-mupen-gui.yml
+++ b/emulators/rosalies-mupen-gui.yml
@@ -107,6 +107,7 @@ files:
   - name: "64DD_IPL_JP.n64"
     aliases: ["64DD_IPL_v12_JPN.bin", "64DD_IPL.bin"]
     system: nintendo-64dd
+    region: [japan]
     required: true
     description: "64DD IPL ROM (Japanese retail)"
     note: >
@@ -121,6 +122,7 @@ files:
   - name: "64DD_IPL_US.n64"
     aliases: ["64DD_IPL_USA.bin", "IPL_USA.n64"]
     system: nintendo-64dd
+    region: [north-america]
     required: true
     description: "64DD IPL ROM (American retail)"
     note: >
diff --git a/emulators/vice.yml b/emulators/vice.yml
index 02f0612d..ae82cd01 100644
--- a/emulators/vice.yml
+++ b/emulators/vice.yml
@@ -167,6 +167,7 @@ files:
 
   - name: "vice/C64/kernal-906145-02.bin"
     system: commodore-c64
+    region: [japan]
     required: false
     hle_fallback: true
     embedded: true
@@ -191,6 +192,7 @@ files:
 
   - name: "vice/C64/chargen-906143-02.bin"
     system: commodore-c64
+    region: [japan]
     required: false
     hle_fallback: true
     embedded: true
@@ -219,6 +221,7 @@ files:
 
   - name: "vice/C128/kernal-315078-03.bin"
     system: commodore-c128
+    region: [germany]
     required: false
     hle_fallback: true
     embedded: true
@@ -243,6 +246,7 @@ files:
 
   - name: "vice/C128/kernal-318034-01.bin"
     system: commodore-c128
+    region: [sweden]
     required: false
     hle_fallback: true
     embedded: true
@@ -267,6 +271,7 @@ files:
 
   - name: "vice/C128/kernalfr"
     system: commodore-c128
+    region: [france]
     required: false
     hle_fallback: true
     embedded: true
@@ -279,6 +284,7 @@ files:
 
   - name: "vice/C128/kernalit"
     system: commodore-c128
+    region: [italy]
     required: false
     hle_fallback: true
     embedded: true
@@ -357,6 +363,7 @@ files:
 
   - name: "vice/C128/kernal64-325182-01.bin"
     system: commodore-c128
+    region: [sweden]
     required: false
     hle_fallback: true
     embedded: true
@@ -381,6 +388,7 @@ files:
 
   - name: "vice/C128/chargen-315079-01.bin"
     system: commodore-c128
+    region: [germany]
     required: false
     hle_fallback: true
     embedded: true
@@ -393,6 +401,7 @@ files:
 
   - name: "vice/C128/chargen-325167-02.bin"
     system: commodore-c128
+    region: [italy, france]
     required: false
     hle_fallback: true
     embedded: true
@@ -429,6 +438,7 @@ files:
 
   - name: "vice/C128/chargen-325181-01.bin"
     system: commodore-c128
+    region: [finland, sweden]
     required: false
     hle_fallback: true
     embedded: true
@@ -533,6 +543,7 @@ files:
 
   - name: "vice/VIC20/kernal.901486-02.bin"
     system: commodore-vic20
+    region: [japan]
     required: false
     hle_fallback: true
     embedded: true
@@ -557,6 +568,7 @@ files:
 
   - name: "vice/VIC20/chargen-901460-02.bin"
     system: commodore-vic20
+    region: [japan]
     required: false
     hle_fallback: true
     embedded: true
@@ -1053,6 +1065,7 @@ files:
 
   - name: "vice/SCPU64/chargen-906143-02.bin"
     system: commodore-c64
+    region: [japan]
     required: false
     hle_fallback: true
     embedded: true
diff --git a/emulators/x64sdl.yml b/emulators/x64sdl.yml
index 2613bdb7..b71eb1c8 100644
--- a/emulators/x64sdl.yml
+++ b/emulators/x64sdl.yml
@@ -51,6 +51,7 @@ files:
 
   - name: "jpkernal"
     description: "Japanese C64 Kernal ROM"
+    region: [japan]
     required: false
     size: 8192
     path: "data/C64/jpkernal"
@@ -59,6 +60,7 @@ files:
 
   - name: "jpchrgen"
     description: "Japanese C64 character generator ROM"
+    region: [japan]
     required: false
     size: 4096
     path: "data/C64/jpchrgen"