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Name: Emulating the NEC PC 9801 (Neko Project II) - LaunchBox Tutorials
Category: Tutorials
Date Added: 2016-09-23
Submitter: SentaiBrad

Today's tutorial is jam packed full of tons of information, all about the NEC PC-9800 series computer. If you have any questions then please feel free to ask them in the comments below, this edition of the LaunchBox Tutorials is very very confusing, and I made the video.

Thank you very very much to the various users who made the posts, databases and FAQ's that I linked to below. Without the copious amounts of information from these websites, this would have been a lot harder for me to do; and it still took me several hours.

Neo Kobe Emulator Pack Lite:

Neko Project II FMGEN Download Page (In Japanese):

Neko Project II FMGEN & PC-98 Emulator Information:

Neko Project II Great FAQ: http://fullmotionvideo.free.fr/pc98/neko.html

PC-98 Games Screenshot Project:

PC-98 Metadata & Media Database

LaunchBox:           https://www.launchbox-app.com/
RetroArch:             http://buildbot.libretro.com/
Our Forums:          https://www.launchbox-app.com/forum
Our Twitter:           https://twitter.com/launchboxapp
Our Facebook:      https://www.facebook.com/launchboxapp
Our Steam Group:http://steamcommunity.com/groups/LaunchBox#
Jason Streams:   https://www.twitch.tv/jasondavidcarr
Brad's Channel:    https://www.youtube.com/SentaiBrad

Emulating the NEC PC 9801 (Neko Project II) - LaunchBox Tutorials

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Thanks for the great tutorial Brad. With it, i was able to get .fdi files up and running.

How about .hdi files. I read that LB can't load them from within, so I tried to load thru the emulator itself and no dice. Any words of wisdom?

Edited by alexis524

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Hello, I have been trying to put this to work since the weekend but to no avail, my FMGEN does not launchs a single game in any format, it always opens the emu with no game loaded no matter the games format, I'm using the last built.

After a couple of hours digging and testing, the only thing I found out is that -f makes it launch in full screen if you enabled the screen size change inside the program, but games launching from Launchbox not a single one in 16gb of games.


After getting a bit "depressed" I jumped to retroarch, and all games / all formats tested launched with no flaws, or so I thought, only to later find out that the emulation on retroarch makes text invisible or does not render it.

Can someone help with one case or the other? beeing my preference retroarch.

Edited by Imortus.san

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Hello again!

Since no one gave an opinion I found myself scratching the internet and found better options, first and fore most at this time the np21w-0.86-rev34 is much better then the  Neko Project II FMGEN because it works best and supports a lot more formats, if you find the Neo Kobe pack in the Tokugawa Corporate Forums them the np21w-0.86-rev34 will be able to run almost everything that they have for the Nec Pc-9801, but the emulator does not runs zip files, and hdi files can be quite big.

After founding the above I went back to Retroarch since I really think that zipped files are the best since they will be saving tons of GB, and I had that problem with retroarch that no text was beeing rendered, well I also fixed that by visiting the Emulator files site and downloading the two FONT files that are there, then going to the system folder inside retroarch and creating a folder called "np2" with the two fonts unzipped inside, this fixed the lack of text in all games that use the Neko project core.

Retroarch does not run as many files as the np21w-0.86-rev34 but it as the convenience of running zipped files.


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I was trying to find a way to use RetroArch instead of the Niko Project emu, but I could not find any videos on how. I finally got it working after visiting the RetroArch page at  https://docs.libretro.com/library/neko_project_ii_kai/ and I'm up and running a fully translated version of Rusty (Castlevania clone) and E.V.O.: The Theory of Evolution from the awesome guys at 46 OkuMen  - https://46okumen.com/projects/rusty/ - https://46okumen.com/projects/e-v-o-the-theory-of-evolution/

Just thought this could help someone else.

Edited by EvilHomer777
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