Service Release + Victorious Nine
The JTFLSTORY core now covers one more game:

2025-02-21 18:36:04 +0000 UTC
View Post
The JTFLSTORY core now covers one more game:

2025-02-21 18:36:04 +0000 UTC
View Post
I resumed work on the JTFLSTORY beta. There are a few more games that run on similar hardware. The new beta brings support to two more games.
2025-02-07 20:10:01 +0000 UTC
View Post
This week JTTWIN16 beta is expanded to support Gradius 2. This game was originally failing because the scroll settings that affect the sprite location were not applied at the expected time. That ca...
2025-01-17 10:26:07 +0000 UTC View PostHappy New Year and welcome to the first release of 2025. We just had JTTWIN16 beta featuring Dark Adventure a few days ago so I am sure you did not see today's one coming!
Update ...
2025-01-03 17:14:13 +0000 UTC View PostDevil World in Europe, 魔獣の王国 Maju no Okoku in Japan and Dark Adventure in Nor...
2024-12-31 13:51:19 +0000 UTC View PostA couple of small things that affect almost all JT cores in this week's release:
Better low pass filter implementation, with more precise cut-off frequency, attenuation and much less ...
2024-12-21 08:23:44 +0000 UTC View PostSaturday release this time, as there was a last minute hickup yesterday.

History 2024-12-14 12:06:30 +0000 UTC View Post
Work on Tehkan World Cup electrical schematic diagrams is finished. It has brought up a number of new discoveries on this hardware:
correct video timing (including frame rate)
2024-11-29 12:17:12 +0000 UTC View PostThe most popular soccer game in the 80's arcades was released by Tehkan, the former name of Tecmo in 1985.
2024-11-08 16:05:36 +0000 UTC
View Post
Work on Konami-compatible hardware continues. Impacting several cores. See the post images for examples of fixed scenes.
We bring a new beta core, JTXMEN, compatible with KONAMI's X-MEN hardware. KONAMI's X-MEN is based on the 1989 US-aired PRYDE OF THE X-MEN cartoon, and the colourful costumes confo...
2024-10-11 19:24:12 +0000 UTC View PostService release this week, with special attention to NGPC as more games work now:
Revisited shouse: fl...
2024-10-04 14:33:28 +0000 UTC View Post
There have been developments related to CAPCOM's Avengers (1987). A copy of the Trojan schematics appeared in the internet a while ago. It included a sheet for an MCU (microcontroller unit) that wa...
2024-09-21 16:12:21 +0000 UTC View Post
There have been developments related to CAPCOM's Avengers (1987). A copy of the Trojan schematics appeared on the internet a while ago. It included a sheet for an MCU (microco...
2024-09-20 13:54:27 +0000 UTC View Post
Do you remember the thrill of stepping into the arcade as a kid, hearing the roar of the crowd and the iconic entrance music of your favorite WWF wrestlers? WWF Superstars, release...
2024-09-06 19:52:07 +0000 UTC View Post
Very busy three weeks working on many, many items. Some of them involved changes to many cores. 515 files have been edited in the source code since the last JTFRIDAY, so 2024-08-30 17:32:34 +0000 UTC View Post
No big announcements for this summer week but plenty of items to report.
Analogue Pocket cores JTSLYSPY and JTFLANE are promoted...
2024-08-09 15:31:09 +0000 UTC View Post
Four gunmen looking for action under the hot sun. If you have not met Sunset Riders before, get ready to fall in love with its smooth animations, humour and saloon girls. We w...
2024-07-27 09:25:03 +0000 UTC View Post
The arcade game with arguably the most popular music ever visits us this week. JTS18 beta adds support for Michael Jackson's Moonwalker. This game has proven hard to support. Fir...
2024-07-12 16:29:23 +0000 UTC View Post
JTSHOUSE core (beta) gets support for the action puzzle game Rompers and the action shooting game Bakutotsu Kijutei this week. These were th...
2024-06-28 16:30:42 +0000 UTC View Post
Español abajo
Many topics for this JT Friday:
JTS18 core (beta) adds support for the baseball game Clutch Hitter
JTSLYSPY beta ...
2024-06-14 10:59:43 +0000 UTC View Post
Español abajo
We have added the MegaDrive VDP chip to the JTS18 core. This chip is responsible of all the graphics and part of the audio in a MegaDrive console. On SEGA Syst...
2024-05-31 10:46:49 +0000 UTC View Post
Español abajo
Lots of items to cover this week:
After using the same beta key since January, we are refreshing it. The new one is attached. As ...
2024-05-24 10:55:27 +0000 UTC View PostWhat type of screen do you use to play FPGA cores?
The information from these polls guides development effort.
2024-05-11 16:24:46 +0000 UTC View PostEspañol abajo
Several SEGA System 18 games are booting up in the upcoming JTS18 core but I found an unexpected hiccup in the connection of the MegaDrive VDP. This arcade sys...
2024-05-10 06:33:12 +0000 UTC View Post
Very quick update this week for five new games supported on the JTSHOUSE core.
Tank games
Blazer, an isometric tank shooter that looks really good and ...
2024-04-26 09:56:38 +0000 UTC View Post
Public Releases
We are giving priority to finishing off the cores in beta phase. This week we promote two to public releases:
JTTMNT, supporting Teenage Mutant ...
2024-04-19 08:35:16 +0000 UTC View Post
Español abajo
Work continues toward closing the JTSHOUSE and JTTMNT betas. More GFX features have been implemented for JTSHOUSE, fixing problems in Splatter House and Galaga...
2024-04-05 18:13:45 +0000 UTC View Post
Español abajo
The sound conversion for JTSIMSON, JTTMNT, and JTALIENS, cores compatible with 16-bit Konami titles, is ready. With this update, the problem of FX being too fa...
2024-03-29 16:02:00 +0000 UTC View Post