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Lots of items to cover this week:

Beta Key Change

After using the same beta key since January, we are refreshing it. The new one is attached. As usual:

MiSTer users, copy jtbeta.zip to games/mame

Pocket users, unzip jtbeta.zip to Assets/jtpatreon/common or folow the instructions of your Pocket updater

JTS18 core compatible with SEGA System 18

We have the first beta of the new JTS18 core. Shadow Dancer is the first compatible game. The beta seems quite solid after a lot of testing and the game feels great to play. This is a game that pays back your investment. It does not play tricks on you or abuse of random patterns. Hence, it is a game you can master rather quickly. As you know Shinobi and Rolling Thunder are related arcade games.

Another game included in this release is Bloxeed, a Tetris with bombs!

This first game does not use the MegaDrive VDP. All the graphics come from a chipset with basically the same features as the one seen in SEGA System 16B boards. The next core update will feature the interaction between these two video chipsets present in System 18 boards. I will show some examples of how the images from the two chips are merged to produce a more sophisticated image than possible with just one of them.

I would like to thank amoore2600 who loaned this board to me soon after I started this FPGA journey and has patiently waited until now. His board is now the basis of the only available System 18 schematics online and, together with information from other scene developers, the reference for the JTS18 core.

Note that JTS18 is not available for small FPGAs, like MiST and SiDi.

JTSHOUSE, more games

Quester, an Arkanoid clone supporting mouse and spinner control

Bravo Man, translated as Chou Zetsurinjin Berabowman in MAME's database. This game featured pressure-sensitive buttons, like the first Street Fighter. We have adopted a 6-button control scheme to replicate the sensitivity levels

Tank Force (Japanese) version supported

Fixed ROM/RAM errors detected in service mode

There are three more games we want to support in this core. We are now close to completing it, with maybe just one more beta ahead.

Miscellanea

Fixed JTCPS1 core speed, this corrects SF2 Hyper Fighting running too much

Fixed Parodius Da! button order to match the manual

Many cores have been updated to use fast DDR load on MiSTer. You will particularly feel it System 16A/B games

We are also working on the color version of NeoGeo Pocket and on better CRT support.

That's all for today!

Español

Muchos temas a cubrir esta semana:

Cambio de clave beta

Después de usar la misma clave beta desde enero, vamos a renovarla. La nueva esta adjunta. Como siempre:

Usuarios de MiSTer, copiar jtbeta.zip a juegos/mame

Usuarios de Pocket, descomprimid jtbeta.zip en Assets/jtpatreon/common o seguid las instrucciones de vuestro actualizador de Pocket.

JTS18 core compatible con SEGA System 18

Ya tenemos la primera beta del nuevo core JTS18. Shadow Dancer es el primer juego compatible. La beta parece bastante sólida después de muchas pruebas y el juego se siente muy natural al manejarlo. Es un juego que te devuelve la inversión. No te juega malas pasadas ni abusa de patrones aleatorios. Así que, es un juego que puedes dominar con bastante rapidez. Como sabes, Shinobi y Rolling Thunder son juegos arcade relacionados.

Otro juego soportado en este lanzamiento es Bloxeed, ¡un Tetris con bombas!

Este primer juego no utiliza el chip VDP de MegaDrive. Todos los gráficos proceden de un chipset con básicamente las mismas características que el visto en las placas SEGA System 16B. La próxima actualización del núcleo mostrará la interacción entre estos dos chipsets de vídeo presentes en las placas System 18. Mostraré algunos ejemplos de cómo se fusionan las imágenes de los dos chips para producir una imagen más sofisticada que la posible con uno solo de ellos.

Me gustaría dar las gracias a amoore2600 que me prestó esta placa poco después de empezar este viaje FPGA y ha esperado pacientemente hasta ahora. Su placa es ahora la base de los únicos esquemas del Sistema 18 disponibles online y, junto con la información de otros desarrolladores de escenas, la referencia para el núcleo del STC18.

JTSHOUSE, más juegos

Quester, un clon de Arkanoid con control por ratón y spinner

Bravo Man, traducido como Chou Zetsurinjin Berabowman en la base de datos de MAME. Este juego tenía botones sensibles a la presión, como el primer Street Fighter. Hemos adoptado un esquema de control de 6 botones para reproducir los niveles de sensibilidad.

Compatible con la versión Tank Force (Japonés).

Corregidos errores de ROM/RAM detectados en modo servicio

Hay tres juegos más que queremos soportar en este núcleo. Ahora estamos cerca de completarlo, con tal vez sólo una beta más por delante.

Miscelánea

Arreglada la velocidad del núcleo JTCPS1](jotego/jtcores#584), esto corrige SF2 Hyper Fighting corriendo demasiado

Arreglado el orden de los botones de Parodius Da!](jotego/jtcores#666) para que coincida con el manual

Hemos añadido soporte a carga rápida en MiSTer para muchos cores. Lo notaréis sobre todo en los juegos de System 16A/B

También estamos trabajando en la versión en color de NeoGeo Pocket y en un mejor soporte CRT.

¡Eso es todo por hoy!

Files

Comments

Retroplayer

Awesome update! Thank you and have a great weekend.

Kent Pendragon

Truly exciting stuff. 🔥🔥🔥 Shadow Dancer is just such a great game! So glad to have it on MiSTer. 🔥🔥🔥 Fingers crossed for Alien Storm and MJ's Moonwalker support on this core 🙏

Pixel Cherry Ninja

What an amazing #JTFriday! Have a great weekend team.

Mark Saunders

Fantastic - thanks so much team JT. it’s JT Friday guys 🥳. P.s yes noticed the sega cores load up super fast now !

Dr. Manga

Qué bien nos trata don José, doña Esperanza y el resto del equipo. Pedazo de avalancha de juegos que están viniendo últimamente

Brett

Fantastic work guys. We all really appreciate your hard word and the amount of time that goes into this. Really well done. Cheers and thanks.

glenn

That's amazing thank you for your work ! I can't wait to play Shadow Dancer. Do you think we should wait for the next uptade for this game or no noticable changes are expected vs the final core version ?

L

Friggin amazing collaborative work!!!!!

JOTEGO

This game support is almost perfect now. Go for it!

LiteUp X

Just in time for holiday weekend, thank you so much

rogerio

Just got the core and there is no sync on my Taito Egret 3 (analogue video with tri sync monitor)

rogerio

BTW, thanks a lot for this core. Shadow Dancer is one of my favorite arcade game of all time =)

norman george

after the new key this is what i get from the update. Missing /incorrect jty beta key.

Dotexe55

Just installed new beta key, all working happy days.

Big Al.

Thank you team.. 👍

Southy

Fond memories of playing this in the arcade and being excited for the Amiga home version! Thanks for this JT team 🥷🐺

rogerio

Does anyone have problems using analogue video? I can not output video for Shadow Dancer using Mister Fpga with analogue I/O via VGA.

OldManBog

Tested Shadow Dancer on Mister with the analog board direct video, plays great! Well done guys

Gabriel S

Amazing preservation work documenting the System 18 board, thanks!

Fed

PVM-2950 not liking the sync signal for the System18 Core (using DV with an HDF3)

rogerio

I am having the same problem with a Tri Sync Arcade monitor via VGA 😔

blktiger

Great! Hoping for Sunset Riders soon!

JOTEGO

Please run the updater again, the first version of the file had a problem on the CRT output

JOTEGO

Try again with the latest files, please

Rick S.

As always, thank you so much for your work and for continuing to support the MiSTer. It seems these days other developers are hesitant to work hard to bring their cores to MiSTer, in favor of some potential future hardware. But thank YOU, jotego team!

Fed

Just updated now and same result.

Mat Kraemer

Excellent work, thank you. I totally forgot the Flicky bird had a cameo in Bloxeed.

MattO

Fantastic, thanks.

Rick S.

The image is scrambled on my crt using the analog io board and component cables.

Sean

I can't play Splatter House for Namco I on pocket; gets stuck at "test program initialize error 0503"; tells me to push a button and then takes me to what looks like a dip switch screen where I then get stuck. Any ideas? All other games work on the core after new beta.bin (I had to put it in jtshouse manually the updater didn't do it for some reason)

MB

Awesome. Think you'll ever do System 24?

JOTEGO

Run the updater again or download the zip files from Patreon again, please.

Stoneman

I will love to play Quester on MiSTer. I am not able to save the settings i want in service mode. is there a secret key to make that?

Stoneman

the flip screen setting is most wanted :)

Stoneman

ok i managed to save the settings but the screen is not flipped. i am looking forward to the next update. thanks for bringing us so cool games

Robert

Newb question.... how do I create a ROM file for shadow dancer? I know... I know. Very amateur question.

Dr Tenma

The easiest is to use something as pocket ccupdater: https://github.com/mattpannella/pupdate You just need to unzip the jtbeta.zip where the post says and run the updater and it'll install all the jotego cores with roms

rogerio

Still no sync using a Toshiba Tri Sync monitor. Other than that everything works flawless

rogerio

me too =(

GeorgeSpinner

Same issue with a consumer Sony CRT.

JOTEGO

Hi Sean, try deleting old config and nvram files related to Splatter House.

Sean

Thanks for the tip; had to uncheck the "watchdog" stuff in the config before loading the rom but it now works!

Rick S.

Thank you. I just tried and it's still scrambled. It's similar to when I run other cores on my crt that are operating at a different hertz.

GeorgeSpinner

Anybody having trouble with system16/16b after using update_all today? It doesn't finish Assembling ROM0 for me. Edit: both of the identical MiSTer setups I have exhibited the same behavior. Reformat/reinstall of SD card fixed the problem.

Anson Tsugawa

I keep on getting that error too.

Anson Tsugawa

I can't seem to get the Japan version of Tank Force to run, anyone else having that issue?

Unlovedhomie

anyone else getting the jotage credit scroll in system 18 / shadow dancer and cant get them to go away. betakey should be in the right place.

NEON ARCADE

Awesome work Jotego - glad to see System 18 coming along! One concern: Running Shadow Dancer or Bloxeed on a Nanao MS9-29T in a Egret II cabinet via a MiSTercade setup results in a stable image, but there's something wrong with CRT output which some have reported here, even after an update. You can hear a high pitched whine indicating an out-of-range frequency and there is some pixel shifting/blur. I tested this on multiple cabinets and two monitors with the same issue.

JOTEGO

Do you experience anything similar in the JTS16B compatible games (Golden Axe, Altered Beast, etc.)?

JOTEGO

Do you have more than one mame folder? Maybe MiSTer is reading the jtbeta.zip file from a different folder.

Xyne

I have this same issue. Frequency doesn't seem to be right and doesn't sync. I am playing on a Sega NetCity arcade cabinet.

NEON ARCADE

Nope! Just tested all of S16B with no issues. Everything is virtually indistinguishable from the actual System 16 PCBs I have.

Xyne

I have a similar setup (MiSTercade to a Sega NetCity cabinet) but the picture doesn't sync, just rolls. No issues with Golden Axe or Altered Beast.

rogerio

I've also got similar setup (Egret 3 w/ Toshiba Tri Sync and Antonio Villena's Jamma Adapter) and can't get sync with Shadow Dancer. JTS16B works 100% although.

Anson Tsugawa

I'm having he same issue, how do I delete the old config an nvram files you mention?

Justin Cherriman

Just wondering if Shadow Dancer is set to a unusual refresh rate as this has a flicker / zig-zag image on the CRT TV, sound works OK.

Luciano

Nice ! Shadow Dancer ir my favorite arcade <3. Can be Moonwalker ported too?

Random Hajile

Having same issue with Shadow Dancer and Clutch Hitter (assuming all System 18) , feel like it is something I am forgetting. Connected to an Astro City via Jamma edge. All other games appear to be working fine. Tried with 2 mister.ini files (with a couple different settings that I have for when I can't get the scripts to run \ display properly)