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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 ent...
2024-03-15 16:21:39 +0000 UTC
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Arcade video games have three types of sound sources:
- Square/triangular waveforms at different frequencies: PSG sound (1942, Exed Exes, Kicker, Tra...
2024-03-01 17:32:05 +0000 UTC
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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, al...
2024-02-16 16:44:44 +0000 UTC
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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:
- Di...
2024-02-09 10:48:34 +0000 UTC
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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
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As most of you know, issues related to JTCORES are collected here. This includes road map items, reverse engin...
2024-01-19 13:22:26 +0000 UTC
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Just in time for reyes, the first beta core...
2024-01-05 10:22:45 +0000 UTC
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2023-12-29 NGP Development Update / 1942/Higemaru for Pocket
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NeoGeo Pocket Update
The NeoGeo Pocket core is the worst time to market f...
2023-12-22 10:16:00 +0000 UTC
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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 ...
2023-12-08 16:18:32 +0000 UTC
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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 s...
2023-11-24 08:32:00 +0000 UTC
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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 A...
2023-11-17 17:30:36 +0000 UTC
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If you see the core credits rolling through the s...
2023-11-07 14:42:38 +0000 UTC
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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 i...
2023-10-31 16:25:45 +0000 UTC
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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...
2023-10-31 16:15:54 +0000 UTC
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As 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 ...
2023-10-29 08:52:06 +0000 UTC
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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...
2023-10-27 10:24:18 +0000 UTC
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Quick update:
- Namco System 1 core is coming up soon. A couple of iconic games for it are Splatter House and PacMania. Currently the logic is hooked up but there is some problem at boot ...
2023-10-06 15:00:38 +0000 UTC
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Service Release
JTOUTRUN update: (Out Run support)
- Fixed odd line in the middle of the r...
2023-09-22 15:32:36 +0000 UTC
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The Pocket files have been corrected and are available at JTBIN
2023-09-08 16:47:15 +0000 UTC
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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...
2023-09-01 09:22:33 +0000 UTC
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Following last week’s Teenage Mutant Ninja Turtles' beta, we add support to MIA (Green Beret 2) to th...
2023-08-25 14:38:29 +0000 UTC
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As you probably all know, Furrtek made an awesome
2023-08-18 14:37:39 +0000 UTC
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MiSTer users: update your jtbeta.zip file using the attached one
The late 1980s and early 1990s marked a dynamic e...
2023-08-11 14:39:32 +0000 UTC
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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 2023-07-21 18:31:24 +0000 UTC
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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 ind...
2023-07-08 09:07:11 +0000 UTC
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Another week with too many things to talk about. Let’s just focus on the highlights
- New game in the JTALIENS core: Cri...
2023-06-30 17:05:18 +0000 UTC
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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 ...
2023-06-23 15:59:36 +0000 UTC
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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...
2023-06-09 17:02:27 +0000 UTC
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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 ha...
2023-06-02 10:32:34 +0000 UTC
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