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It's been three weeks since the last core update. I'm surprised at how hard it was to get the System 16B, once the 16A was done. But there's nothing constant work can't beat, so here we are at another update.

For technical reasons, System 16 games require four different RBF files now. I am not sure whether we will end up with a fifth one added by the end of the journey.

We add the following games this week:

-Altered Beast (in alt folder)-Wrestle War

And System 16B versions for games we had in their S16A incarnations:

-Tetris-Alien Syndrome-Time Scanner-Passing Shot-Shinobi-Ace Fighter

Some games that were only available in the alt folder now have an MRA entry in the main menu.

Apart from S16B support, there have been some improvements made to S16A hardware too.

Furrtek's findings about the memory mapper chip are now implemented too, making the bus timing more accurate.

Other games also work but are troublesome because of unique controller needs, like Heavy Champ and its three analogue axes. I need to work with MiSTer developers to find a solution for them.

See you next week!

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Han pasado tres semanas desde la última actualización del núcleo. Me sorprende lo difícil que fue conseguir el System 16B, una vez terminado el 16A. Pero no hay nada que el trabajo constante no pueda superar, así que aquí estamos en otra actualización.

Por razones técnicas, los juegos de System 16 requieren ahora cuatro archivos RBF diferentes. No estoy seguro de si terminaremos con un quinto agregado al final del viaje.

Agregamos los siguientes juegos esta semana:

-Altered Beast (en la carpeta alt)-Wrestle War

Y las versiones del Sistema 16B para los juegos que teníamos en sus encarnaciones S16A:

-Tetris-Alien Syndrome-Time Scanner-Passing Shot-Shinobi-Ace Fighter

Algunos juegos que solo estaban disponibles en la carpeta alt ahora tienen una entrada MRA en el menú principal.

Además de la compatibilidad con S16B, también se han realizado algunas mejoras en el hardware S16A.

Los hallazgos de Furrtek sobre el chip mapeador de memoria ahora también se implementan, lo que hace que la sincronización del bus sea más precisa.

Otros juegos también funcionan, pero son problemáticos debido a las necesidades únicas de un controlador, como Heavy Champ y sus tres ejes analógicos. Necesito trabajar con los desarrolladores de MiSTer para encontrar una solución para ellos.

¡Hasta la semana que viene!

Comments

hyp36rmax

Wise from your gwave!

Jo Tomiyori

YOU DID IT!!! Thank you so much for this update!

Filip Kindt

Again great work. Don't forget to charge your batteries.

JSwan

Awesome. Thank you so much!

MEM3NTO

All your hard work is greatly appreciated. Thank you brother 🙏🏼

lamarax

I wanna say Altered Beast may be the star of the show tonight, but Wrestle War is mighty impressive as well, especially in its intended vertical aspect! Gracias José por aún estreno estupendo ❤️

Fabricio

Only got a black screen on the new two cores (Altered Beast and Wrestle War)

Nedyahwerd

YYYYYEEEEESSSSS THANK YOU SIR!

Mike Holzinger

This is incredible! For anyone using an iPad3 as an external monitor - these settings helped me by adding to the config file. [jts16a2] vsync_adjust=1 video_mode=10 video_mode_ntsc=10 [jts16b1] vsync_adjust=1 video_mode=10 video_mode_ntsc=10 [jts16b] vsync_adjust=1 video_mode=10 video_mode_ntsc=10 [jts16] vsync_adjust=1 video_mode=10 video_mode_ntsc=10

E.C. Myers

I ran the Update_All script and I have the Altered Beast Cores, but only the first one will run (the Juuoki cores are a garbled mess). However, the bigger problem is even though I have defined buttons for Credits and Start, I cannot add coins or start the game. It's stuck on the attract mode. I'm sure I'm missing something obvious, but what is it?

lamarax

Also, great sound implementation as well!

Trifle

Nice work JT, some great games supported and more to come...

TwinFami Productions (edited)

Comment edits

2026-09-07 23:00 Why doesn’t the coin button work? This is the second core release of S16 this has happened on. I have coin mapped to the select button but when I press select: no coins are inserted.
2021-07-30 23:42

hodulo

AB hangs up after 15-20 seconds for me. I replaced the beta.zip in games/mame at least twice with the one from the first July post, deleted config files, re-download the core rbfs via update-all but I can't get it to work. Sound is also broken, e. g. "Ri-r-ri-ri-rise...". It is always the same though. At first button assignment also didn't work but with a different controller it was fine and now I have no problems with coin button as reported by others. Could I still have a wrong file somewhere?

Philip Lawson

I only ever played the sega megadrive version before of Altered Beast and was great fun to complete this arcade version. :) Thank you!

Carlo Pedrazzini

Some games load, other don't (credits only). Tried both manual update and update_all, no luck. It has been weeks; I'm clueless.

Ben

hello I can not play ABEAST impossible configuration of the paddle for credit ... help me thank you

Ben

it's ok i finde the solution;put the file beta zip in a file game mame

Nathan Rochester

altered beast what a pleasure to play! works well on my stranded setup with 128mb

david

cant coinup, i have beta.zip in games\mame

david

all fixed, had to copy the beta.zip and overwrite old one

david

i think its the same beta.zip i used, i think the one on sdcard got corrupt somehow

michael kilpert

Where is the beta.zip available for download?

Andor Vogel

Hmm none of the System 16 cores are working for Me. button assignment is not working, not only the coin, but also the button for toggle the credits/pause isn't doing anything. Hadn't have any issues with the CPS1/1.5/2 cores etc. Does anyone have a clue what the issue is?

Retro Tuna

Have you put the beta.zip in your mame folder

Retro Tuna

beta.zip is in the alien syndrome post and is renewed each month, there maybe one this week.

lamarax

#JTEveryOtherFriday 😀 ...and it's alright, as long as some self-appointed 'guarantors' [fiadores in spanish] of yours don't build up hype.

VGComplete (edited)

Comment edits

2026-09-07 23:00 How do you decide when something has an MRA entry in the main menu versus in your alt folder? Having trouble locating some games.
2021-10-25 22:17