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Analog circuit design remains an enigmatic discipline that has, to date, evaded the expansive reach of ChatGPT and similar technologies. It's therefore not entirely surprising that analog circuits represent th...
2024-03-15 16:21:39 +0000 UTC View Post
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Arcade video games have three types of sound sources:
Last minute release today, please excuse us for the short post: we've managed to get Vendetta working in the JTSIMSON core. The hardware is extremely similar between the two systems, although they are incompatible. You cannot jus...
2024-02-16 16:44:44 +0000 UTC View Post
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We worked on Parodius da! schematics last year. It turned out to be very similar to The Simpsons board, with some differences:
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:
Thanks to everyone who has taken the time to report an issue in GitHub. All files have been updated in 2024-01-26 10:03:54 +0000 UTC View Post
As most of you know, issues related to JTCORES are collected here. This includes road map items, reverse engineering activity, core enhancements and bug f...
2024-01-19 13:22:26 +0000 UTC View PostEspañol abajo
Just in time for reyes, the first beta core for NeoGeo Pocket is available for MiSTer and &nb...
2024-01-05 10:22:45 +0000 UTC View Post
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The NeoGeo Pocket core is the worst time to market from my career. I have worked on and off on it for ...
2023-12-22 10:16:00 +0000 UTC View Post
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When I made the JTBUBL (Bubble Bobble, Tokio) core, I had to limit it to certain game versions that used a MCU (Micro Controller Unit) for which I had found a Verilog module. That meant putting the...
2023-12-08 16:18:32 +0000 UTC View Post
Thunder Cross
JTALIENS core gets support for one more game: Thunder Cross. This is a spectacular shooter with a good depth feeling thanks to the use of parallax scrolling and sprite scaling. As in Nemesis, you &n...
2023-11-24 08:32:00 +0000 UTC View Post
The JTALIENS core receives support for a new game added this week: Konami's Gang Busters. This is a cute two-player game that reminds of Labyrinth Runner and CAPCOM's Avengers. The cop duo of the diminutive Smith and t...
2023-11-17 17:30:36 +0000 UTC View PostIf you see the core credits rolling through the screen but cannot play then:
Today is Halloween so we are going to introduce five Halloween-ish games. All of them are playable on multiple FPGA platforms through JT cores. Try them out if you haven't already!
First up is Haunted Castle, released by Kon...
2023-10-31 16:25:45 +0000 UTC View Post
Important: jtbeta.zip changed, you need to update your copy.
I used to believe in Christmas miracles, now I have to believe in Halloween miracles too! Just five days ago, the JTSHOUSE core was unplayable and with completely ...
2023-10-31 16:15:54 +0000 UTC View PostAs there has been a recent surge in Patreon subscribers (thank you!) let me ask you about which FPGA model you are using. Select as many as you own. Note that multiple choice may only work through a web browser.
2023-10-29 08:52:06 +0000 UTC View Post
Work on the Splatter House core continues. The game graphics are correct and the demo is stable and does not hang up. But, the MCU seems not to be working correctly and as a result, the coin inputs get locked randomly. It looks li...
2023-10-27 10:24:18 +0000 UTC View Post
Quick update:
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Service Release
JTOUTRUN update: (Out Run support)
Konami used to roll new chip versions freque...
2023-09-08 16:47:15 +0000 UTC View Post
Important note for Pocket users
In order to facilitate the installation of beta cores, this will be added to JTBIN from now on. Third party updaters will take them from there and add it to your Pocket, which is more convenie...
2023-09-01 09:22:33 +0000 UTC View Post
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Following last week’s Teenage Mutant Ninja Turtles' beta, we add support to MIA (Green Beret 2) to the JTTMNT core. The two arcade PCBs are very simila...
2023-08-25 14:38:29 +0000 UTC View Post
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As you probably all know, Furrtek made an awesome 2023-08-18 14:37:39 +0000 UTC View Post
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MiSTer users: update your jtbeta.zip file using the attached one
The late 1980s and early 1990s marked a dynamic era for both video games and popular culture, with ...
2023-08-11 14:39:32 +0000 UTC View Post
The NeoGeo Pocket core is taking most of our time at the moment. All monochrome games boot up now and are somewhat playable (see details here 2023-07-21 18:31:24 +0000 UTC View Post
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I developed the SEGA System 16 compatible cores in 2021. It was a difficult project because under that unifying System 16 name there are indeed many different arcade boards. For a starter, y...
2023-07-08 09:07:11 +0000 UTC View Post
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Another week with too many things to talk about. Let’s just focus on the highlights
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The NGP core saw good progress this week with the first successful boot on MiSTer FPGA. Almost all the monochrome NGP system is implemented now, missing only the horizontal blank interrupt a...
2023-06-23 15:59:36 +0000 UTC View Post
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As promised, we will have a long run of Konami compatible cores either based on the Konami CPU or the TMNT video chipset. Super Contra joins the club today as part of the JTALIENS core. The ...
2023-06-09 17:02:27 +0000 UTC View Post
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Today is the deadline I had set for the NeoGeo Pocket beta. I set this deadline to force myself to focus solely on this project. The core has seen a lot of progress and it boots up and runs ...
2023-06-02 10:32:34 +0000 UTC View Post