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Body Slam / Quartet / JTALIENS release (Patreon)

Published:
2024-02-02 16:29:43
Edited:
2024-02-03 07:24:55
Imported:
2026-06

Downloads

Content

Thanks for the feedback on last week's service release.  Some regression errors were quickly identified by the community and  appropiate patches have been applied:

Double Dragon 2 music stops

Pop sounds in CPS1

Default setting for coin input fails in Super Hang-On (MiSTer)

Street Fighter MCU versions crash

Support for RetroTink 4K

Following user's request,  I have updated the MiSTer files to the latest version, which should  support RetroTink 4K. I do not have that device and this is not high  priority to me. But, if you find some problem with it and you think the  core can be blamed for it, report it in this GitHub issue.

Konami's Voice Filters

Konami's board from the first half of the 80's had  software controlled audio filters. These were quite crude, just turning a  low-pass filter on or off. They could be used to give a different  accent to the sound or, more importantly, as anti-aliasing filters for  digitised speech. The games do operate the filters during gameplay but  as far as I can see, emulators have been ignoring this feature.

We looked a bit into this a while ago but did not implement it. This week a user argued that Hyper Sports voices sounded terrible. I agreed but they were as bad as in MAME and I had little faith in the filters having an effect.

I, nonetheless, gave the filters a chance and made a crude  implementation without trying to match the exact filter shape. The  effect was clearly audible! I have enabled them in some of the Konami  games already, starting with Hyper Sports and Super Basketball. We plan  to refine the implementation and support them in all Konami games.

Body Slam and Quartet

SEGA's System 16A games using a i8751 MCU had never fully  worked in JTS16 core. We finally got down to it this week and brought  the remaining games to working status. Check out Body Slam and Quartet in your main folder!

JTS16 core also got a fix for background problems in SDI stage 2.

JTALIENS

After reviewing the backlog of Konami titles, I decided  that the JTALIENS core will not receive more games. There will be one  update to JTALIENS in the future, when we change the implementation of  one of the custom chips to follow Furrtek's research on it.

But I'd rather not hold the core as a beta for that update and as of today JTALIENS is promoted to public.

Coming up

Parodius da! is currently booting up in the JTSIMSON core, but not playable yet. It will still take one to two weeks to have it fully implemented.

Files

Comments

L

Gods work. Thank you. I looked out for the SF2 iterations last week,after an update_all, but can’t find them. Will they appear with this beta file added?

Owlnonymous

Stoked on Quartet and Parodius da! Any progress on Splatter House? I saw that it was updated recently, but when playing the core I could not spot anything being fixed.

Gabriel S

Very excited for Parodius, I’ve been enjoying the PC Engine port on my Analogue Duo

Gilbo Jnr

Great update 👍 Will Rainbow Islands be on your road map in the future ? I think it uses similar hardware to Rastan Saga maybe 🤔

Espiox

Thanks for adding those last couple of System 16 games! (Also, I think you forgot to remove 1943 from the post title 😉)

Ben Wilberding

Might be a silly question - but is it OK to delete the .txt files in the pocket directory after transferring to the pocket or do the .json files reference these in any way? Just looking to see if I can clean up my SD card a little

Ronald Dean

Massive thanks for the retrotink4k support. Gonna give this a go today. As much as it’s for the tink, the Morph and other scalers will use this also. It’ll be huge going forward. Thanks for doing this, it’s appreciated.

ronalvel .

Gracias por tanto trabajo y en especial por el Quartet, un clasico de Sega!!!

Syl

Thank you for your work! Super excited for Parodius.

Robert

Excited for Parodius for sure. Anyone know of Wrestlefest would ever be a title to be looked at?

Tim Caution

I was kinda hoping we'd get Devastators...

Mat Azel

Adding support for the RT4K is greatly appreciated, thanks!!

Kent Pendragon

Thank you for all of this. Looking forward to check out those 16A titles this weekend. And man, Parodius Da! - can't wait to play it on MiSTer - by the awesome JT-crew. (。♥‿♥。)

Mark Saunders

Fab , can’t wait to check all these out over the weekend when I get time to sit down with the mister - cheers team JT . I remember parodius on my snes in 92/93, I got an import from Japan to play it

Rick S.

As always, thank you very much for your efforts! It is very much appreciated.

Grislyimage

Is there any possibility of revisiting the jtaliens core in the future to add support for the remaining games?

Fabricio

I was going to play Double Dragon today and I notice that the core is now missing the “Turbo” option. It was such a great feature. Any chance that for it to be included again in the core options?

Marco Verhoeven (edited)

Comment edits

2026-09-06 20:00 Bubble Bobble is starting now! Only thing is that i don’t know how to insert a coin. :-)
2024-02-03 10:42

JOTEGO

Button left of (Analogue) button in Pocket

Salvador Perugorria Lorente

Muchísimas gracias como siempre 😊. Por cierto, en Sidi no está JTS16B. Por lo demás todo genial 😃

JOTEGO

Try deleting old save/config files

JOTEGO

Other games will most likely go in different cores. I do not think they are close enough to fit them in the JTALIENS core.

JOTEGO

It is not working right now after switching to a cycle-accurate MCU, that is why it is disabled. I need more time for it.

JOTEGO

They should be there. Check out the alternative folders carefully. There are so many Street Fighter folders that it is easy to miss the right one

JOTEGO

Ha dejado de caber. Siempre ha estado al límite y ahora ya no cabe por poco.

Captain Ginyu

Thanks for the continued updates! Looking forward to Parodius da!

Vik

Hello I am new to this for the attached files where do they go? jtfriday_other, Jtfriday_mister and jtbeta zip?

Vik

Does it go into games/mame?

JOTEGO

If you are using MiSTer's update_all, you only need to place jtbeta.zip in the folder games/mame. That's all.

LeoVenon

Thanks a lot Jotego for supporting RT4K community. Even it's not your top priority comparing to several other requests (that we are also getting benefits of it) we have seen a lot fruits in such sort time, as the Auto-Crop/Auto-Decimate of the cores working fine for several cores after the last JTFriday update. Hope that this would also benefit the others HDMI 4K scalers users. Big fan of your work.