feat: re-profile 12 emulators, fix dosbox_core regression

batch re-profiled clownmdemu through dosbox_core with upstream
verification. restored dosbox_core mt-32/cm-32l rom halves removed
by batch (14 files), added core_classification. regenerate database.

database.json

@@ -1,5 +1,5 @@
 {
-  "generated_at": "2026-03-23T09:52:45Z",
+  "generated_at": "2026-03-23T11:37:13Z",
   "total_files": 6733,
   "total_size": 5288642642,
   "files": {

emulators/clownmdemu.yml

@@ -1,8 +1,9 @@
 emulator: ClownMDEmu
 type: standalone + libretro
+core_classification: official_port
 source: "https://github.com/Clownacy/clownmdemu-libretro"
 upstream: "https://github.com/Clownacy/clownmdemu"
-profiled_date: "2026-03-18"
+profiled_date: "2026-03-23"
 core_version: "Git"
 display_name: "Sega - MD/CD (ClownMDEmu)"
 cores:
@@ -12,43 +13,17 @@ systems:
   - sega-megacd
 
 notes: |
-  ClownMDEmu is a Sega Mega Drive/Genesis and Mega CD emulator by Clownacy.
+  Mega Drive/Genesis and Mega CD emulator by Clownacy. Supports cartridge
-  Supports cartridge (bin/md/gen) and CD (cue/iso/chd) formats, plus a
+  (bin/md/gen) and CD (cue/iso/chd) formats, plus a subsystem for
-  subsystem for cartridge+CD combo (Mega CD Mode 1).
+  cartridge+CD combo (Mega CD Mode 1). Mega CD boot ROM is an open-source
-
+  replacement compiled into the binary (mega-cd-boot-rom.c, 32 KB). Sub-CPU
-  The core has NO external BIOS file requirements. firmware_count = 0 in the
+  BIOS calls handled via HLE. TMSS not implemented. No external files needed.
-  libretro .info file confirms this.
-
-  Mega CD boot ROM: a custom open-source replacement boot ROM is compiled
-  directly into the binary as a 16384-entry uint16 array
-  (mega-cd-boot-rom.c included into bus-main-m68k.c:19-21). Source at
-  https://github.com/Clownacy/clownmdemu-mcd-boot. No external CD BIOS
-  files (bios_CD_E.bin, bios_CD_U.bin, bios_CD_J.bin) are needed or loaded.
-
-  TMSS (Trademark Security System): not implemented at all. No TMSS ROM is
-  loaded or checked. The core boots games directly without the "Produced by
-  or under license from Sega" screen.
-
-  The system directory (RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY) is only used
-  as a fallback path for Backup RAM (BuRAM) save files, not for BIOS loading.
-
-  CD add-on can be enabled for cartridge games via the "clownmdemu_cd_addon"
-  core option to allow CD music features, but this uses the built-in boot
-  ROM, not an external BIOS.
-
-  The core implements its own Mega CD BIOS call handler (MegaCDBIOSCall in
-  bus-sub-m68k.c) via HLE (high-level emulation) of Sub-CPU BIOS functions
-  including CDBIOS, CDCTRN, FDRSET, FDRCHG, DRVINIT, CDCSTOP, CDCSTAT,
-  CDCREAD, and others.
 
 files: []
 
 analysis:
   tmss:
     supported: false
-    notes: |
-      TMSS is not implemented. No ROM loaded, no "Produced by Sega" check.
-      No references to TMSS exist anywhere in the codebase.
 
   megacd_bios:
     external_required: false
@@ -56,10 +31,6 @@ analysis:
     boot_rom_source: "https://github.com/Clownacy/clownmdemu-mcd-boot"
     boot_rom_location: "source/mega-cd-boot-rom.c (16384 uint16 entries = 32 KB)"
     bus_mapping: "0x400000-0x41FFFF (address & 0x20000 == 0)"
-    source_ref: "bus-main-m68k.c:19-21, bus-main-m68k.c:484-494"
+    source_ref: "bus-main-m68k.c:19-21, bus-main-m68k.c:501-513"
     bios_hle: true
     hle_source_ref: "bus-sub-m68k.c:64 (MegaCDBIOSCall)"
-    notes: |
-      The Mega CD boot ROM is an open-source replacement compiled into the
-      binary. Sub-CPU BIOS calls are handled via HLE. No external Sega CD
-      BIOS files (bios_CD_E/U/J.bin) are needed.

emulators/craft.yml

@@ -1,7 +1,9 @@
 emulator: Craft
 type: game
+core_classification: pure_libretro
 source: "https://github.com/libretro/Craft"
-profiled_date: "2026-03-18"
+upstream: "https://github.com/fogleman/Craft"
+profiled_date: "2026-03-23"
 core_version: "v1"
 display_name: "Minecraft (Craft)"
 cores: [craft]
@@ -9,6 +11,8 @@ systems: []
 files: []
 notes: >
   Libretro port of Craft, a simple Minecraft clone by Michael Fogleman.
-  Procedurally generates a voxel world with basic block placement and removal.
+  All textures, fonts, and shaders are embedded in the binary (header arrays).
-  All textures and shaders are compiled into the binary.
+  Upstream loads textures from external PNG files; libretro port compiles them in.
-  No content file, BIOS, or system directory files required.
+  Uses system directory only for craft.db/auth.db (core-generated save data).
+  Source has zero fopen calls. .info declares no firmware.
+source_ref: "libretro/libretro.c, src/main.c:2680-2698, src/main.c:3315-3345"

emulators/crocods.yml

@@ -1,7 +1,9 @@
 emulator: CrocoDS
 type: libretro
+core_classification: official_port
 source: "https://github.com/libretro/libretro-crocods"
-profiled_date: "2026-03-18"
+upstream: "https://github.com/redbug26/crocods-core"
+profiled_date: "2026-03-23"
 core_version: "v1"
 display_name: "Amstrad - CPC (CrocoDS)"
 cores:

emulators/cruzes.yml

@@ -1,8 +1,9 @@
 emulator: Cruzes
 type: libretro
+core_classification: pure_libretro
 source: "https://github.com/libretro/libretro-samples/tree/master/tests/cruzes"
-profiled_date: "2026-03-18"
+profiled_date: "2026-03-23"
-core_version: "v1.0"
+core_version: "0.1"
 display_name: "Cruzes"
 cores:
   - cruzes
@@ -10,25 +11,22 @@ systems:
   - game
 
 notes: |
-  Cruzes is an unfinished Picross puzzle game implemented as a libretro core,
+  Unfinished Picross puzzle game, part of the libretro-samples repository.
-  part of the libretro-samples repository. It is not an emulator -- it is a
+  No separate upstream -- written directly for the libretro API.
-  standalone game that runs directly within RetroArch.
 
-  The core sets supports_no_game to true (cruzes.c:772) and valid_extensions
+  supports_no_game true (cruzes.c:772), valid_extensions "" (cruzes.c:749).
-  to an empty string (cruzes.c:749). The puzzle grid is hardcoded in
+  Puzzle grid hardcoded in retro_init (cruzes.c:706-717) via load_challenge.
-  retro_init (cruzes.c:706-717) via a string literal passed to load_challenge.
+  retro_load_game (cruzes.c:728-732) sets pixel format and returns true.
+  No file I/O, no RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY call.
 
-  retro_load_game (cruzes.c:728-732) only sets the pixel format to RGB565
+  Font data (Carlito-Regular.ttf) compiled in via ttf2c (font10.h, font16.h,
-  and returns true. It never reads from the game_info pointer, never calls
+  font24.h).
-  RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, and never opens any file from disk.
-
-  The font data (Carlito-Regular.ttf) is converted to C header files at build
-  time by the ttf2c tool (font10.h, font16.h, font24.h) and compiled in.
-
-  No external BIOS, firmware, or system files are needed.
 
 files: []
 
+exclusion_note: >
+  Game core with no external file dependencies. All assets compiled in.
+
 analysis:
   file_loading: none
   system_directory_used: false

emulators/daphne.yml

@@ -1,60 +1,28 @@
 emulator: Daphne
 type: standalone + libretro
+core_classification: community_fork
 source: "https://github.com/libretro/daphne"
-upstream: "https://github.com/DirtBagXon/hypseus-singe"
+upstream: "https://github.com/mirror/daphne-emu"
-profiled_date: "2026-03-18"
+profiled_date: "2026-03-23"
 core_version: "Git"
 display_name: "Arcade (Daphne)"
+cores:
+  - daphne
 systems:
   - arcade-laserdisc
 
 notes: |
-  Daphne is a LaserDisc arcade game emulator ported to libretro. It emulates
+  LaserDisc arcade game emulator. Port of Daphne 1.0 (Matt Ownby) to libretro.
-  classic full-motion video arcade games like Dragon's Lair, Space Ace,
-  Cliff Hanger, and others that used LaserDisc players for video output.
-
-  The core does NOT require any shared system BIOS or firmware files.
-  The libretro-core-info file (daphne_libretro.info) declares no firmware.
-
   Each game loads its own arcade ROM set from a ZIP file named after the game
-  short name (e.g. lair.zip, cliff.zip, bega.zip). ROM files are individual
+  (e.g. lair.zip). ROMs are loaded from a content-relative directory structure
-  arcade chip dumps loaded via the rom_def struct in each game class
+  (homedir/roms/) with CRC32 verification (game.cpp:767-781). The core never
-  (daphne-1.0-src/game/*.cpp). CRC32 verification is performed at load time
+  accesses the RetroArch system directory. Additional per-game data (framefiles,
-  (game.cpp:769-778).
+  sound samples, overlay BMPs) is also loaded relative to the content directory.
-
-  Content loading path (libretro.cpp:546-637):
-    1. User points RetroArch to a .zip file (e.g. /Daphne/roms/lair.zip)
-    2. The core strips the path to derive:
-       - rom_name: game short name (e.g. "lair"), lowercased
-       - rom_path: parent directory
-    3. A home_dir is set to rom_path/.. (one level up from roms/)
-    4. Additional data is expected relative to home_dir:
-       - roms/    -> game ROM ZIPs
-       - framefile/ -> frame description files (.txt)
-       - sound/   -> sound samples
-       - ram/     -> SRAM saves
-       - pics/    -> overlay graphics
-
-  Expected directory layout:
-    Daphne/
-      roms/lair.zip
-      roms/cliff.zip
-      framefile/lair.txt
-      framefile/cliff.txt
-      sound/lair/   (optional, game-specific samples)
-
-  Supported games include (from README.md and libretro.cpp):
-    lair (Dragon's Lair), ace (Space Ace), cliff (Cliff Hanger),
-    bega (Bega's Battle), badlands (Badlands), esh (Esh's Aurunmilla),
-    interstellar, mach3, sdq (Super Don Quix-ote), tq (Thayer's Quest),
-    astron, galaxy, cobra, roadblaster, gpworld, lair2 (Dragon's Lair II),
-    and many ROM revision variants.
-
-  The core is marked experimental. Savestates, cheats, and disk control are
-  not supported. Requires full file path (retro_load_game uses path, not
-  data buffer).
 
 files: []
-  # No shared BIOS or firmware files. All ROMs are per-game arcade chip
+
-  # dumps distributed inside game-named ZIP archives. These are game content,
+exclusion_note: >
-  # not system files managed by retroarch_system.
+  .info declares no firmware (firmware_count absent). Code confirmed: the core
+  never calls RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY. All files (ROM ZIPs,
+  framefiles, sound, pics) load from the content directory via g_homedir
+  (libretro.cpp:1153, set to rom_path/..). No shared system BIOS or firmware.

emulators/desmume2015.yml

@@ -1,17 +1,20 @@
 emulator: DeSmuME 2015
 type: libretro
+core_classification: frozen_snapshot
 source: "https://github.com/libretro/desmume2015"
-profiled_date: "2026-03-19"
+upstream: "https://github.com/TASEmulators/desmume"
+profiled_date: "2026-03-23"
 core_version: "SVN (2015 snapshot)"
 display_name: "Nintendo - DS (DeSmuME 2015)"
 cores: [desmume2015]
 systems: [nintendo-ds]
-exclusion_note: ".info declares firmware_count=3 but code never loads external BIOS (desmume_use_external_bios absent)"
+exclusion_note: ".info declares firmware_count=3 but libretro frontend never enables external BIOS loading (UseExtBIOS defaults false in NDSSystem.h:497, never set in libretro.cpp)"
 
 notes: |
-  Frozen 2015 snapshot of DeSmuME. The external BIOS loading feature
+  Frozen 2015 snapshot of DeSmuME. The core emulator code supports external
-  (desmume_use_external_bios) does NOT exist in this version.
+  BIOS/firmware (PrepareBiosARM7/ARM9 in NDSSystem.cpp:1974-2050), but
-  Verified: libretro.cpp has no bios7/bios9/firmware path construction.
+  UseExtBIOS defaults to false (NDSSystem.h:497) and the libretro frontend
-  ref: desmume2015/desmume/src/frontend/libretro/libretro.cpp
+  never sets it — no desmume_use_external_bios core option exists in this
+  version. Uses HLE BIOS stubs when external BIOS not loaded.
 
 files: []

emulators/dice.yml

@@ -1,7 +1,9 @@
 emulator: DICE
 type: libretro
+core_classification: community_fork
 source: "https://github.com/mittonk/dice-libretro"
-profiled_date: "2026-03-18"
+upstream: "https://sourceforge.net/projects/dice/"
+profiled_date: "2026-03-23"
 core_version: "v0.4.2"
 display_name: "Arcade (DICE)"
 cores:
@@ -10,50 +12,14 @@ systems:
   - discrete-arcade
 
 notes: |
-  DICE (Discrete Integrated Circuit Emulator) emulates early arcade hardware
+  Discrete Integrated Circuit Emulator. Emulates early arcade hardware built
-  built entirely from discrete logic components, with no CPU. dice-libretro is
+  from discrete logic components with no CPU. Libretro port by Ken Mitton,
-  a libretro port by Ken Mitton, based on upstream DICE by Adam B.
+  based on upstream DICE by Adam B.
 
-  No BIOS or firmware files required. The .info file declares firmware_count = 0.
+  Games load as MAME-style ZIP archives matched by CRC32 per ROM chip
-
+  (chips/rom.cpp:41-218). ROM-less games (Pong, Breakout, etc.) use .dmy
-  Games fall into two categories:
+  dummy launcher files. The system directory is retrieved but never used
-    - ROM-based: shipped as MAME-style ZIP archives (filename matters).
+  for file loading (libretro.cpp:60-62).
-      The core loads the ZIP passed by the frontend and matches individual ROM
-      chips by CRC32 (chips/rom.cpp:41-218, RomDesc::get_data). If a chip's
-      CRC does not match, the core walks all entries in the archive looking for
-      a CRC match or alt_crc match.
-    - ROM-less: games like Pong, Breakout, Rebound whose original PCBs had no
-      ROM at all. These use .dmy dummy launcher files (empty placeholders) to
-      tell RetroArch which game to start.
-
-  retro_get_system_info (libretro.cpp:122-137) sets need_fullpath = true,
-  block_extract = true, valid_extensions = "zip|dmy|k1|a1|6c|c6|d2|s1|f4|a4|
-  1da|da1|C4|4c|4d|d7|d4". The unusual extensions are raw ROM chip dumps for
-  individual games (e.g. .k1 for antiaircraft, .a1 for attack).
-
-  dice.cpp:42-66 strips any "#inner.rom" suffix from the path (for ROM
-  managers that expose zip contents) and passes the zip path to
-  RomDesc::set_zip_filename.
-
-  retro_init (libretro.cpp:50-63) retrieves RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY
-  but uses it only for the retro_base_directory variable, not for loading any
-  system files.
-
-  Games with ROMs (10 titles):
-    antiaircraft.zip  - 1 ROM chip (k1)
-    attack.zip        - 6 ROM chips (a1, b1, c1, d1, j6, k6), each with alt_crc
-    cleansweep.zip    - 3 ROM chips (6c, d7, k3)
-    crashnscore.zip   - 6 ROM chips (d2, e2, f6, f7, p6, p7)
-    indy4.zip         - 4 ROM chips (s1, s2, c1, c2)
-    jetfighter.zip    - 6 ROM chips (a4, j1, j5, k5, m1, r5)
-    sharkjaws.zip     - 2 ROM chips (1da/da1, 1db/db1)
-    steeplechase.zip  - 2 ROM chips (C4, D4); bugle ROM c8 dump missing
-    stuntcycle.zip    - 2 ROM chips (4d, 1fh)
-    wipeout.zip       - 2 ROM chips (d4, g7)
-
-  ROM-less games (11 titles, use .dmy dummy files):
-    breakout, crossfire, gotcha, hiway, pinpong, pong, pongdoubles,
-    quadrapong, rebound, spacerace, tvbasketball
 
 files: []
 

emulators/dinothawr.yml

@@ -1,7 +1,9 @@
 emulator: Dinothawr
 type: game
+core_classification: game_engine
 source: "https://github.com/libretro/Dinothawr"
-profiled_date: "2026-03-18"
+upstream: "https://github.com/libretro/Dinothawr"
+profiled_date: "2026-03-23"
 core_version: "v1.0"
 display_name: "Dinothawr"
 cores: [dinothawr]

emulators/directxbox.yml

@@ -1,7 +1,8 @@
 emulator: DirectXBox
 type: libretro
+core_classification: pure_libretro
 source: "https://github.com/libretro/libretro-directxbox"
-profiled_date: "2026-03-18"
+profiled_date: "2026-03-23"
 core_version: "alpha"
 display_name: "Microsoft - Xbox (DirectXbox)"
 cores:
@@ -41,16 +42,18 @@ files:
   - name: "mcpx_1.0.bin"
     path: "mcpx_1.0.bin"
     size: 512
+    validation: [size]
     required: true
     note: >
       Xbox MCPX ROM (secret boot ROM on the southbridge). Contains the initial
       boot vector that loads the flash BIOS. Overlaid at the last 512 bytes of
       the 16 MB flash region (0xFFFFFE00-0xFFFFFFFF). Only needed for retail
       machine types; Debug and Chihiro skip this file.
-    source_ref: "src/xbox.cpp:186-206, src/libretro/libretro.cpp:202"
+    source_ref: "src/xbox.cpp:186-207, src/libretro/libretro.cpp:202"
 
   - name: "cromwell_1024.bin"
     path: "cromwell_1024.bin"
+    validation: [size]
     required: true
     note: >
       Cromwell open-source Xbox BIOS (1024 KB variant). Loaded as the flash ROM
@@ -58,7 +61,7 @@ files:
       multiple of 0x10000. This is the only BIOS that currently boots in the
       emulator. The Microsoft retail BIOS (xbox-3944.bin) is referenced in
       commented-out code but does not work yet.
-    source_ref: "src/xbox.cpp:143-178, src/libretro/libretro.cpp:203-204"
+    source_ref: "src/xbox.cpp:143-178, src/libretro/libretro.cpp:203"
 
 notes:
   status: >

emulators/dirksimple.yml

@@ -1,8 +1,9 @@
 emulator: DirkSimple
 type: standalone + libretro
+core_classification: official_port
 source: "https://github.com/icculus/DirkSimple"
 upstream: "https://github.com/icculus/DirkSimple"
-profiled_date: "2026-03-19"
+profiled_date: "2026-03-23"
 core_version: "0.2"
 display_name: "Laserdisc arcade game (DirkSimple)"
 cores: [dirksimple]
@@ -11,30 +12,29 @@ systems:
 
 notes: |
   DirkSimple by Ryan C. Gordon (icculus). Plays laserdisc arcade games
-  via Lua scripts + Ogg Theora video. NOT related to Daphne — completely
+  via Lua scripts + Ogg Theora video. Same author wrote both standalone
-  different architecture.
+  and libretro backends (source == upstream).
 
   Libretro port loads from system_dir/DirkSimple/.
-  ref: dirksimple_libretro.c:782,795 —
+  ref: dirksimple_libretro.c:782,794 —
     sysdir from RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY
     basedir = sysdir + "/DirkSimple/"
-  DirkSimple_startup(basedir, info->path, ...) at line 798
+  DirkSimple_startup(basedir, info->path, ...) at line 799
 
-  Standalone loads from data/ in the binary's directory.
+  Standalone loads from SDL_GetBasePath() + data/.
-  ref: README.md — "data directory must be included in same directory as binary"
+  ref: dirksimple_sdl.c:575-577
 
   Game data in data/games/<gamename>/game.lua + assets (PNG, WAV).
   User provides the OGV laserdisc video as content.
 
   Supported games: Dragon's Lair (lair), Cliff Hanger (cliff).
-  10 data files in the repo (game.lua scripts, sprites, sounds).
+  10 data files in the repo (game.lua scripts, sprites, sounds, icons).
 
   Buildbot provides DirkSimple.zip via Core System Files Downloader.
-  ref: buildbot.libretro.com/assets/system/DirkSimple.zip
 
 data_directories:
   - ref: dirksimple
-    source_ref: "dirksimple_libretro.c:795"
+    source_ref: "dirksimple_libretro.c:794"
 
 files: []
 # no BIOS/firmware — game data via data_directories

emulators/dolphin_launcher.yml

@@ -1,8 +1,10 @@
 emulator: "Dolphin Launcher"
 type: launcher
+core_classification: launcher
 exclusion_note: "stub core calls standalone Dolphin — all BIOS in Dolphin's own directory"
 source: "https://github.com/RobLoach/libretro-dolphin-launcher"
-profiled_date: "2026-03-18"
+upstream: "https://github.com/dolphin-emu/dolphin"
+profiled_date: "2026-03-23"
 core_version: "1.2.0"
 display_name: "Nintendo - GameCube / Wii (Dolphin Launcher)"
 cores:
@@ -10,15 +12,10 @@ cores:
 systems: [nintendo-gamecube, nintendo-wii]
 
 notes: |
-  Launcher stub that passes games to standalone Dolphin (dolphin-emu-nogui,
+  Launcher stub that passes games to standalone Dolphin via system() calls.
-  dolphin-emu, or Flatpak org.DolphinEmu.dolphin-emu). The core itself does
+  Tries dolphin-emu-nogui, falls back to dolphin-emu, then Flatpak
-  no emulation - it calls system() with the game path, waits for Dolphin to
+  org.DolphinEmu.dolphin-emu. Waits for Dolphin to exit, then signals
-  exit, then signals RETRO_ENVIRONMENT_SHUTDOWN.
+  RETRO_ENVIRONMENT_SHUTDOWN. Requires Dolphin installed on the host.
-
+  All BIOS/firmware files are managed by the standalone Dolphin install.
-  Requires Dolphin installed separately on the host. All BIOS/firmware files
-  (IPL.bin, DSP ROMs, fonts, Wii NAND) are managed by the standalone Dolphin
-  install, not by RetroArch system/. See dolphin.yml for those files.
-
-  No system files, BIOS, or firmware required by this core.
 
 files: []

emulators/dosbox_core.yml

@@ -1,5 +1,6 @@
 emulator: DOSBox-core
 type: standalone + libretro
+core_classification: community_fork
 source: "https://github.com/libretro/dosbox-core"
 upstream: "https://github.com/dosbox-staging/dosbox-staging"
 profiled_date: "2026-03-19"