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JOTEGO

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JOTEGO posts

Black Tiger (Pocket), NGP (WIP), Parodius Da! (Sch)

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Work on the NeoGeo Pocket core continues. The system is very complex for a small handheld, mainly due to the Toshiba MCU th...

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Updaters vs Manual Installation

For MiSTer and Pocket FPGA users, how many of you use an automatic updater to install cores in your devices?

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Aliens Beta Core

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The Konami CPU seems to have at least two different flavours, named 052001 and 052256 on original schematics. The first one, older and prese...

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Development update 5th May '23

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Beta calendar

  • Aliens core 12th of May
  • NeoGeo Pocket 2nd of June

Maintenance update...

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Arkanoid Revenge of Doh

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As planned, we have a new game for the JTKIWI core this week, the great Arkanoid sequel. I find this game much more fun than the first while...

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Haunted Castle (All), Combat School (Pocket)

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Beta files

Find the beta files through update_all if you use MiSTer or directly in JTBIN. For the other platforms, u...

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March Development Update

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Konami CPU

We are testing the CPU now and we are honestly shocked at how well it is going. If you were here last Autu...

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Out Run PR, CPS2 Pocket, CPS3 Customs

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After much work, we finally have the line-based frame buffers working on both the MiSTer and the Pocket. As I explained before, most arcade ...

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Out Run Update

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The last time we talked about Out Run, we had the game running on several platforms with the FPGA clocked at 96MHz and some graphic glitc...

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Composite Video on MiSTer and Magical Pumpkin

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A lot of people demand support for odd controllers, like the rotary joystick with a top button used on Forgotten Worlds. Yet, I was surprise...

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The NewZealand Story beta & public releases

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The New Zealand Story, released by Taito in 1988.

The story follows the lovable protagonist, the flightless bird "Kiwi", as he uses va...

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Bug fixes (MiSTer) & CPS2 (Pocket)

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As you know, I have been working on improving the work flow to prevent problems when updating cores and ease maintenance. I finished unifyin...

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Konami CPU and other news

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The Motorola M6809 CPU powered many arcade games (and some home computers). It was used by CAPCOM in Ghosts’n Goblins and by Konami in Kicker, Track’n Fi...

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JTKARNOV goes public, Robocop for the Pocket and other news

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JTKARNOV core (supporting Karnov, Chelnov and Wonder Planet) goes public today for all systems. The files are available at ...

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Development Update

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We added spinner support to the JTCOP and JTMIDRES cores (Heavy Barrel and Midnight Resistance View Post

Wonder Planet

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We arrive to the final delivery of the JTKARNOV core with support for Wonder Planet. Gradius (Nemesis) was a dark-themed game and ...

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Karnov beta, Chelnov update and Pocket bonus

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Tutorials, updaters, etc

For newcomers, please check the welcome e-mail from Patreon, the core READ...

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Extermination (beta)

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Reaching out to open source developers about a 14-year old project usually ends in a disengaged response. So I contacted Arnim Läuger about...

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2022 game over. Continue?

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Robocop opened 2022 as the first 16-bit Data East arcade on the MiSTer. It was a year ago and the System16 core received it...

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Chelnov (beta) and CPS1 for the Pocket

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We visit this week a hardware from Data East that preceds Robocop and Dragon Ninja. The board is similar to those games ...

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Golden Arcade Era

Which one is the golden arcade era for you?

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Kageki

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We bring support to one more arcade title this week: Kageki. This game operates on hardware very similar to Insector X except for the sound....

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Insector X

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JTKIWI is this week’s beta core. It is compatible with the game Insector X. Find files attached for all systems. MiSTer users c...

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Maintenance, Insector X, Out Run, Contra...

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A lot of activity this week as usual, let me go quickly through it

New cores for Pocket, Sockit and frame buffer

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The core development this week has been focused on fixing the Out Run stability problem in MiSTer. This requires the addition of a new mod...

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Turbo Out Run & More Pocket FPGA cores

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Note: some Out Run versions may spent 30 seconds on a black screen before booting up. But they eventually boot up.
MiSTer files...

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Out Run Beta, Vigilante for Pocket FPGA

FILES FOR MIST(ER) & SIDI ARE IN JTBIN
POCKET FILES ATTACHED

I am proud to announce the first Out Run beta. Thi...

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FPGA User Census

Please mark all the FPGA devices that you own from the following list.

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Por favor marca todos los dispositivos FPGA que tengas de la lista.  View Post

Development Update

Things have not been going as planned lately. First, the electrical installation in the office needed major works and we have been having an electrician breaking the walls to pass cables through an...

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Extermination Schematics & Pang! for the Pocket

I had planned to have Out Run for today but those super scalers sprites are asking for a bit more love. We’ll go on a honeymoon over the weekend.

Work didn’t stop in other fronts. We spen...

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