Model 2 Emulator

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Model 2 Emulator by ElSemi -

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    Model 2 Emulator es un emulador para Windows capaz de mostrar fielmente los juegos arcade de SEGA del sistema Model 2, incluyendo los modelos Model 2, Model 2A, Model 2B y Model 2C. Entre los juegos disponibles en este hardware podemos encontrar grandes clásicos como Daytona USA, Virtua Fighter 2, Dead or Alive, The House of the Dead o Virtua Striker.

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    Para poder hacer funcionar el emulador es necesario contar con un PC con Windows instalado (Windows XP o superior), un procesador Pentium 4 o superior y una tarjeta gráfica compatible con Pixel Shader 3.0.



    Usual "a" release fixing bugs.

    - Added back the game options that were removed in the previous version due to compilation issues (Cheats & options, dump texture cache, reload LUA script)
    - Fixed texture replacement that was also removed.
    - Diferent alpha filtering code that should improve the extra lines in some textures.

    [+] Spoiler
    - Fixed sound output only outputting mono audio
    - Added customizable pixel shader for texture replacement (see model2lua.txt)
    - Fixed Emulator->Exit not saving configuration
    - The emulator will now try to use pixel shader 2.0 when pixel shader 3.0 is unavailable
    - Added Full screen antialiasing (fsaa=1 in emulator.ini)
    - Fixed some 3D errors in dynamite cop causing low res textures to be used
    - Fixed texture replacement when two textures share the same tag data

    - Finally fixed VF2 hair problems, now all graphics are correct
    - Added LUA script support for options, cheats and other uses (check model2lua.txt in SCRIPTS folder)
    - Added texture replacement support (check model2lua.txt in SCRIPTS folder)
    - Added widescreen support (needs per-game lua scripts to know when to enable it). Requires a wide
    fullscreen resolution or WideScreenWindow set in emulator.ini
    - Fixed texture border detection for textures that caused wrong colors & pixelation on borders
    - Simplified pixel shaders (half the texture fetches)
    - Improved House of the dead FM sound
    - Fixed VF2 wrong sound speeds
    - Fixed background distortion on Dural stage in VF2
    - Added STCC Euro
    - Added Sonic the fighters.
    - Fixed Virtual On missing background color on title screen
    - Rewritten SCSP code for improved accuracy
    - Fixed ATI video card gfx problems
    - Fixed audio stuttering on some windows 7 machines
    - Added Sega Rally Championship rev B

    Lots of changes in this version:
    - Fixed TGP emulation bugs and added missing opcodes. Virtua Fighter 2 and Virtua Cop 2 are now
    playable. There is still a bug with VF2 hair/body collisions, probably another TGP bug, but it's
    quite hard to find...
    - Fixed I960 bug that caused daytona invisible walls/holes in the road.
    - Fixed timer bug that caused missing hair in Fighting vipers, tails in sonic and slow cars in
    Sega Rally (although they still don't work properly).
    - Added support for "return to neutral". Enable it with HoldGears=1 option in emulator.ini. This
    setting will cause the emu to return to neutral when no gear button is pressed.
    - Redone rasterizer color decoding and texture mapping. Now it works the same way the real hardware
    does, performing all the same table lookups and calculations, so color should be accurate now. The
    color decoding is now done at pixel shader level so you'll need a PS 2.0 capable video card in order
    to run the emulator now.
    - Fixed white borders in some transparent textures.
    - Redone texture caching code. Improved dirty texture detection. Fixes wrong textures in some
    games when a new texture overlaps partially with an existing one.
    - Changed ManxTT sound roms to the Twin ones. The previous romset was using the Deluxe ones that
    have 2 sound boards. Fixes the "japanese speech when braking" bug :).Set the machine to Twin.
    - Added 2 mice support for shooting games. Enable it with RawInput=1 in emulator.ini. Read some
    other options there to tell the emu how to map a mouse to a player. When using RawInput the mouse
    will be locked to the emulator window. In order to switch to another window, either press Alt to
    bring the menu and unlock the mouse or use Alt-Tab to switch to another application.
    - Fixed Alt key not activating the window menu.
    - Fixed MB86235 bug when handling denormalized numbers that caused top skater and overrev lock the
    emu sometimes.
    - Fixed corrupt textures sometimes when loading a savestate
    - Fixed frameskipping bug that caused some data not being updated in the TGP memory when
    frameskipping (daytona windows not updating windows after entering/leaving the tunnel)
    - Added an option to hide the crosshair in shooting games (DrawCross=0 in emulator.ini)
    - Fixed Daytona to the maxx rom loading that caused wrong and missing graphics.
    - Improved FM emulation support to the SCSP for some HOTD tunes requiring it.
    - Fixed various bugs in the new MultiPCM sound emulation, causing some wrong loops and sounds.
    - Fixed meshed transparencies size. Now they will scale to the selected resolution.
    - Fixed specular highlights calculation.
    - Added Daytona USA '93 edition and Daytona USA: GTX 2004.
    - Added Rail Chase 2
    - Added Virtua Cop 2
    - Added Virtua Fighter 2, Rev A, Rev B and 2.1
    - Added Sega Water Ski. The current sound rom dump seems to be bad so the game will run without
    sound. This game will start in Japan region mode. To change the region, enter Test menu (F2) and
    press the sequence up,up,down,down,service (f1),test (f2)
    - Added Indianapolis 500 Rev A
    - Changed romsets to match MAME as much as possible.

    - Fixed missing trigger buttons in gun games
    - Fixed desert tank locked into test mode
    - Improved main cpu/sound cpu sync in Model2 Original games.


    - Rewritten the MultiPCM sound chip emulation. It fixes Original Model2 games sounds and music.
    - Fixed eye paremeters being read as unsigned by the display list parser, causing bad geometry
    in daytona 4 players attract and sega rally 2 players attract.
    - Fixed network board detection for sgt24h and overrev. Now you don't need to enable network to
    have them boot.
    - Adjusted daytona steering limits to the real machine limits (according to the service manual). It should
    have a more accurate handling now.
    - Added force feedback for car driving games. You need to enable it in the .ini using the
    option EnableFF=1 in the Input section. You can tweak more force parameters in that section. Also some
    games only enable the force feedback if the cabinet type is set to Deluxe in the test mode.
    - Added XInput support. You can enable XInput support in the .ini in the Input section. XInput allows direct
    access to XBox360 compatible controllers for vibration (they don't support vibration through DirectInput).
    Keep in mind that the windows XInput libraries only support vibration force feedback so an XBox360 driving
    controller won't have working force effects.
    - Added optional meshed polygons for translucency (like the hardware does). Enable it with
    MeshTransparency=1 in the ini. This option requires a Pixel Shader 3 capable videocard.
    - Fixed HOTD rom loading that caused missing tilemap graphics (how to play, map on gameover).
    - Added preliminary savestates support. The sound engine state is not being saved yet. I've added this so I can
    ask for states to try to fix the invisible walls problem in daytona.


    Fixed network code not fully working (I accidentally left a part disabled in the last build).
    Improved daytona video & sound sync


    More accurate emulation of some TGP by using the data tables from the mainboard. You'll need these
    table roms in or inside the game zip. Thanks to Peabo for the donation of a Daytona board
    that helped to understand how they worked. This has fixed most of the bugs in daytona usa (reverse and most
    invisble wall hits) and sega rally (automatic transmission).
    Improved color table decoding that gives more bright colors for some games.
    Improved SCSP timing. It should be more accurate and musics should not sound out of sync anymore. As a
    bonus feature I've left in a debug sound player that allows you to load a SSF (Saturn Sound Format) file
    for playing. To use it, load a game using SCSP (model 2a,b or c) and enter test mode (so it doesn't send
    sound commands) then press LeftControl+F5 and choose the ssf file to play.
    Improved clipping. By moving to vertex/pixel shaders I've got rid of all the clipping issues that happened
    with ATI video cards and recent NVIDIA ones. Remember to remove set SoftwareVertexProcessing to 0. You'll need
    a pixel shader 1.1 and vertex shader 1.1 capable card. It's the lowest shader version so any video should work. As
    a side effect of this change, there is only a geometrizer now, so the Geometrizer opion in the ini file is not used.
    Fixed problems with textures ending in the lowest line of the texture sheet not being uploaded to direct3d (sega
    rally black background in 2nd stage and topskater missing floors).
    Added Wave Runner (Model 2C)
    Added support for direct3d automimpap generation (see emulator.ini AutoMip option)
    Added network emulation (see NETWORK section below)

    So many changes that I can't remember...Lighting fixes, control fixes, sound fixes...
    ManxTT is working, but sound is broken.
    Merged some features from the cps3 emu (vsync, custom fullscreen res,...)


    This is a small bugfix release:
    Fixed (hopefully at last) the analog wraparound bug.
    Fixed wrong colour table translation in vcop madium and expert levels.

    Added a couple of useful features:
    Launch game from commandline (just add the driver name. ex: Emulator.exe stcc)
    Auto-switch to fullscreen after game loading (the option is in the Video menu)


    This release fixes several playability bugs in Daytona USA (analog controls
    wraparound and windows disappearing when going to fullscreen) and adds a new
    playable game: Motor Raid.

    It also contains a modified color lookup table processing that improves the
    colors in the original model 2 games (daytona, vcop and dtank).

    The emulator now includes a nice icon and background image, thanks to jordigahan
    and Peabo for them.

    v0.4 Daytonaaaaa

    This version includes the (still preliminary) emulation of the Fujitsu MB86234 DSP
    present in the original Model 2 and Model 2 A-CRX boards. This means that some of
    the games running in these boards are playable now.
    The emulation is still preliminary because it has been done by reverse engineering
    the complete instruction set of the DSP and there are still bugs. This has been
    possible thanks to the help of Olivier Galibert (that helped me starting writting the
    DSP disassembler some years ago) and Ernesto Corvi (that analyzed my disassemblies and
    compared against other games and the model1 HLE in mame).
    I'll list now the known problems and gliches in the games:

    Daytona USA games: when stopping the car, or starting a course from a stop (advanced and
    expert) the screen says REVERSE.
    Sega Rally: Automatic transmission doesn't work, only manual.
    Original Model 2 games have wrong colours in the 3D textures and wrong lighting.

    To play Daytona USA, when the network check screen appears, press F2 to enter test mode
    and in Game Settings set the game mode to Standalone.

    This package includes the single threaded and the multithreaded version. Use the
    multithreaded version in systems with more than a cpu, dual core, core duo, etc...
    There are several fixes in the syncronization code that should reduce the crashes
    in the emulator.

    v0.3 MultiCPU Experimental build

    This version contains an experimental multithreaded emulation code that will make
    different parts of the emulation run in a separate thread (Currently separates CPU,
    GPU and Sound emulation). This will allow multi-core CPUs (Dual core and Core Duo)
    to take advantage of both processors and boost the emulator performance a lot
    (all games are 60fps now in my Athlon 3800+ X2).
    It is only recommended for multi-core cpu users, as single core processor might have
    slower performance than the single threaded build.
    As a bonus, this version includes a preliminary recompiler SCSP DSP emulation. The recompiler
    is very fast and shouldn't affect the performance. The DSP effects still aren't 100% correct, but
    it sounds quite right.

    v0.3 (well, there was an unreleased 0.2 somewhere in my HD so this is 0.3)

    I've rewritten part of the emulator for increased speed.
    The SHARC core has also been speedup by removing unused SHARC features that weren't used by model2.
    Added frameskip and autoframeskip (with + and - in the keypad).
    Added Ski Super G and OverRev.
    Fixed topskater and virtualon control maps.
    This is probably the last version of the emulator, unless some Fujitsu TGP MB86234 docs appear
    to finish the emulation of the 2 and 2A cores. Sorry, I know I still have to do the digital
    sound board emulation for STCC and TopSkater but I have no free time.

    v0.1 Alpha

    This is a major rewrite of the Model 2 core from Nebula M2.
    Basically it supports the same games than Nebula M2, except the music in
    games using the Digital Sound Board.
    It uses a new (lighter) framework that requires DirectX 9.0.


  • Nada por ahora :)


  • Errores gráficos en algunos juegos (pendiente de detallar)
  • La opción "Unload ROM" provoca que el emulador se bloquee
  • La opción "Options" no tiene ninguna utilidad
  • El emulador se bloquea cuando ejecuta Daytona USA y se utiliza la opción cheats / 50% scanline
  • En Windows 7 con Aero activado, cuando retorna de pantalla completa (Alt + Enter) se rompe el Aero de la ventana "MYWIN" m2emulator.
  • En el modo a pantalla completa, si se hace clic sobre un extremo de la pantalla la ventana del emulador se minimiza automáticamente. Es especialmente incómodo en los juegos de disparos.
  • Errores de clipping en juegos como Indi 500, Top Skater o SEGA Touring Cars (primer circuito, en el muro interior, si te aproximas mucho)
  • Pequeño error de sonido en SEGA Touring Cars al empezar la carrera en el segundo circuito (sin contar la clasificación). Antes de sonar la música se escucha ruido molesto durante 1 segundo. (ACTUALIZACIÓN: Es el motor del coche sobrerrevolucionado)
  • Cuando un ROM esta sobrecargado de texturas de reemplazo, el emulador no responde por 1 o 2 minutos.


  • Un menú de opciones dentro del emulador, para poder configurarlo sin editar el archivo .ini a mano.
  • Una emulación de red local optimizado, utilizando compresión en los datos para reducir el retardo.
  • Añadir opciones de vídeo para el forzado del filtro Anisotrópico x16 desde el mismo emulador.
  • Mejor soporte para teclado en juegos de conducción.
  • Los controles y la prioridad de foco del emulador liberadas, para así poder jugar desde un mismo PC y varias pantallas al "Twin mode" sin que se necesites priorizar la ventana de ejecución.
  • Remapear todos los controles, Ej: pause key "P" o un boton del joystick.
  • Posibilidad de reemplazar la música del juego , sonidos del motor ,voces ,etc. Así como lo hace el emulador con las texturas.
  • Poder reemplazar los tilemaps (el cielo,pantalla seleccion de pistas,etc).
  • Un modo ventana "estirado" osea sin pixelación como cuando es pantalla completa, de esta forma seria muy cómodo poder hacer otras cosas sin minimizar el juego.
  • Posibilidad de asignar aceleración y freno sobre un mismo eje ,por ejemplo: EJE Y +50 ACELERA .EJE Y -50 FRENA. (BadMouth) ... msg1405589
  • Agregado de "modo espejo" en teoría solo tendría que voltear todas las coordenadas y texturas en juegos de conducción.
  • Soporte para kaillera incluido en el propio emulador.
  • Si la v1.1 sera la versión final ,me gustaría ver el código de fuente :sonrisa:


    ¿Tienes trucos (cheats), packs de texturas personalizadas o cualquier otro contenido creado por ti que quieras compartir? ¡Lístalo aquí!.

    This is a simple patch for the "GREAT EMULATOR" By ElSemi SEGA Model 2 Emulator. v1.1a

    Daytona USA ++ Patch - Modding and Hacks by Nuexzz (c) 2013
    *Patch* (settings available in the user interface)
    -Enable support for Xbox360 compatible devices
    -Enable/Disable force feedback
    -custom screen resolution (recommend using same as desktop)
    -Enable/Disable HD textures (the emulator does not respond for 1 minute because the HD textures take longer to load.)
    -works with all romsets and versions of Daytona USA
    -ESC key now closes emulator
    -Maximize button now switches to fullscreen

    -add 20 cars to choose from (CPU cars)
    -add the twin panoramic attract mode (originally for 4 linked cabs) now you can have it in single mode (also all cab types - deluxe, twin, uplight,special)
    -add four new points of view + options are zoom out/ - options are zoom in
    -add interactive selection of tracks and cars
    -add night mode (makes the sky black for now)
    -add enabled/disabled widesreen (16:9) in windowed mode and also in fullscreen
    -add infinite time on all tracks
    -add enabled/disabled tilemaps (movie mode)

    The contents of this pack is my authorship and / or a compilation from various sources.

    Download: ... sp=sharing

    Source: ... 497.0.html