JOTEGO

Service Release

X-Men/etc. PCM Sound Improvements

Premier Soccer

JOTEGO's 2025

System18 Public - Run'n Gun for Analogue Pocket

Some improvements

Polishing work on the Run'n Gun core continued this week. The core looks now much better on MiSTer and SiDi128 but the Pocket version still needs a few more days of work.

A while ago, one of our directors requested a core for Caliber 50, a game similar to Ikari Warriors. This title shares s...

RUN & GUN / Surprise Attack

RUN & GUN

Run & Gun is my favourite basketball game. I am thrilled to bring this to the FPGA realm!

History

This 5-on-5 basketball action game was released by Konami in...

JTS18: D.D.Crew/Hammer Away

D.D.Crew

History

This game is one of the titles f...

JTS18: Clock Work Aquario/Where's Wally

Clock Work Aquario

A new arcade game - yet from the past!? Clockwork Aquario was developed by Westone in 1991 on Sega’s System 18 hardware, and even went through multiple location tests in...

Turtles in Time

History

Released by Konami two years after the 1989 Teenage Mutant Ninja Turtles, this sequel was praised for improving upon its predecessor in every aspect—graphics, gameplay, and music—while also being welcomed for staying faithful to the original TV animation. Unfortunately, it nev...

Service Release

These past two weeks we stopped working on new developments to go back to reported issues in released cores. Although this kind of work may not feel as exciting, it is actually quite rewarding when one issue leads to a better understanding of the original hardware and to a more accurate implement...

Golfing Greats/OutRun back on Analogue Pocket

History

In the late 1980s and early 1990s, the arcade market saw a surge of “realistic sports simulations,” with SEGA’s Dynamic Golf and Atari/Midway’s Golden Tee Golf enjoying great popularity. In 1991, Konami released Golfing Greats, powered by its uniquely deve...

Surprise Attack

While we were working desperately to complete Golfing Greats or Run'n Gun cores for this week, another team member finished reviewing Konami's PCB for Surprise Attack. The PCB turned out to be a cost-saving version of Parodius Da! The Z80 and PCM sound chips ha...

Audio Fixes

Development Update

Work still keeps us busy towards the two next big cores: Run'n Gun and CPS3, with these stepping stones

• Add Golfing Greats to JTRIDERS, as it uses the same pseudo 3D chip as Run'n Gun but without a frame b...

  2025-08-15 15:13:52 +0000 UTC View Post

Development Update

NeoGeo Pocket

Thank you for sharing your views in the previous post comments. We decided to spend more time on the NeoGeo Pocket core as a result. The following games are now playable:

• Metal Slug (Monochrome version was broken before )

• Ogre Battle Gaiden

  2025-07-18 18:34:27 +0000 UTC View Post

Ajax

This week's release updates the beta key. Please remember to copy the new one to your MiSTer/Pocket FPGA.

History

This game, released by Konami in 1987, features a unique ...

Lighting Fighters

History

A vertical scrolling shooter game released by Konami in 1990, supporting two-player simultaneous play.

Attack items differ between solo and two-player modes, and even the way you r...

Desert Breaker

Desert Breaker: History

This game, released by SEGA two years after Capcom's Commando II (Mercs), shares a similar style—set on the battlefield, where the player must take down any enemy alone...

Laser Ghost

In 1990, after Ghostbusters II release in 1989, SEGA released their first light gun arcade shooter: Laser Ghost (if you are thinking of The House of the Dead, that would still take six more years to come alive!). This game takes heavy inspiration from Ghostbusters in the System 18 versio...

Metro Cross

History

This side-scrolling action game released by Namco in 1985 is very very simple. It's a race against time as a man runs towards the goal while overcoming traps and obstacles set in a myste...

The Return of Ishtar/Genpei

GENPEI TOMA DEN

History

The motif of this Namco action game is based on a joruri w...

Pac-Land

The 45th anniversary of Pac-Man was yesterday. In order to join the cellebration we are bringing a new core compatible with the Pac-Land hardware: JTPACLAN.

History

Released by Namco in 19...

Wonder Momo, Hopping Mappy

This JTFriday brings us two new titles to the JTTHUNDR core in beta and the promotion of JTFLSTORY (The Fairy Land Story, etc.) to public core.

Wonder Momo

Sky Kid Deluxe

Work on the JTTHUNDR core continues, apart from fixing the PCM sound pitch, we add support for Sky Kid Deluxe this week.

2025-05-09 21:46:55 +0000 UTC View Post

Rolling Thunder

History

It is 1986, there are 26,573 game centres in Japan, the highest number in history. The Family Computer (NES) was launched three years ago and home video game consoles are becoming more popular, but the quality of games is overwhelmingly better in the arcades.

Namco releases...

Bronx (Cycle Shooting)

History

Cycle Shooting is a gun shooting game released by Taito in 1986. There are six stages in total, alternating between horizontal-scrolling and fixed-screen stages. In order to save th...

Sinden Light Guns, Dokaben 2

DOKABEN 2

Sometimes, information for new game arises that makes them playable on existing cores. This week we bring Dokaben 2, running on the JTPANG core.

History 2025-03-21 17:29:47 +0000 UTC View Post

STRATO FIGHTER/RAIGA

The final game on the JTGAIDEN core is a famous shooter: RAIGA. I have looked for other Tecmo games of around this time but they do not seem to operate on this hardware. So the core will support Ninja Gaiden, Wild Fang and Raiga.

2025-03-14 17:12:49 +0000 UTC View Post

Wild Fang/Tecmo Knight

One more game for the JTGAIDEN core, which in the previous beta only covered Shadow Warriors (Ninja Gaiden). Wild Fang operates on very similar hardware but a...

Light Gun Action: NY Captor

Last minute compilation problems made this JTFRIDAY a Saturday, apologies about that. And here we are!

NYCaptor

This might be the last game for the JTFLSTORY core: NY Captor. A shooting game from Taito that precedes Operation...