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Hello Guys, I would like to build a spinner that is also compatible with Hypernoid and I see that the board for sale is sold out, Does anyone have the details of how to build one?

Hello Guys, Doing some repair on a mv2f that i buy for 30Euro.... It have some battery leak corrosion over ZMC. After some line problem repaired the image start look normal but it seems one more contact somewhere is to be checked Fix layer are ok, i'm not sure about one more zmc2 contact because...

Hello Guys, Need an idea to fix a Calendar Error on my MV2F: Seems im stuck here.. In this area, near the battery i test first 74HC32, desoldered and tested on Tl866 under logic test. Its pass the test. On this area i have also changed two diode and ram. Here i change uPD4990, 32768Hz...

Hello guys, Can i ask if anyone have the correct dimension to cut a plexiglass plate top and base for MV2F ? Thanks

Hello Guys, Here another crazy question for crazy repair/test... This game is a problem to convert or repair because it uses ProgNam, guess what? only this game exists. However, I managed to buy a Puzzled with problems on the V roms, they are all broken ! Checking Nam's card I see that both are...

Hi guys, I received this gift from a friend, a nice Mahjong controller! all very nice but I'm noticing that maybe there's something I don't know about this controller, what was it connected to? I don't think it's possible to connect it at mvs without another card that I'm missing or completely...

Hello Guys, I'm trying to fix a bug on a sprite, after converting nam 1975 on progbk1. I noticed that the bomb uses wrong tiles and I would like to fix the problem on the C1 rom by drawing the tile correctly. I have several questions about this: 1) First question, how to find suitable palette...

Hello Guys, I'm looking for the complete collection of MVS Mini Marquees but I see that all the online resources are unfortunately offline: http://ungr.emuunlim.com/artwork.php or low resolution. Do you have some files or resources to share ? Thanks to everyone

Hello guys, I'm having a curious problem on a 4-slot mvs base, there seems to be some problem playing the audio correctly, but the strange thing is that it only does it with the 4-slot base, all the other bases work. is there any difference between the audio management in this base? 4 Slot...

Hello Guys, Here we have 002, a great game full of nice art :-D But one problem.... where is demo gameplay ? Top Hiscore ? Checking game we only an essential intro: Since MVS and AES mode do not have any difference on that side seems here we miss at all code about DEMO Gameplay, and...

Hi Guys ! Im back again with another curiosity about this very old title as well as one of the first historical ones. Have you ever noticed that the intro of the game changes drastically in the two versions? Check here : MVS AES On MVS we have this loop: Logo -> Title -> Demo -> Score...

Hello Guys, I noticed while playing this beautiful game that there is a small big difference in the introduction of the game between the MVS version and the AES version. In the AES version, after the animated introduction of the soldier, the topscore is shown and then a part of the demo...

Hi all guys, I recently met a great neogeo collector who wanted to share with us some work that has been done some time on this beautiful game. This is the version of the P1 corrected on the "NeoGeoFreak USA" version, seems the game was initially missing the A button function to change the...

Hello guys, Browsing social media I came across a guy who says he has an m1 hack of the game that makes the audio work correctly on a card with a PCM chip (e.g. ProgBK1) This thing really stinks to me and the guy was kind enough to share the files. Personally I have tested the rom and I find...

Hello guys, I was intrigued by this new ancient discovery of mine :D Once I opened it I found this card in front of me, now I only have this photo but I'll take others soon... it doesn't show up on MVS Scan and it looks like an original SNK... what do you think? One more question, anyone have...

Hello Guys, Checking the repo file of PCM chip here seems that use lattice LC4128ZE. This CPLD seems really expensive, difficult to find and the software, well never mind X/ https://github.com/neogeodev/NeoChips Lately I've come across several games with broken PCM, isn't there an alternative...

Hello Guys, Using 2MB EEPROM i merged C1+C3 , C2+C4 I am using a CHA256 and a ProgTop even though the game originated on a CHA42 and PROG42. The game starts and looks ok, but it's too early to be happy, as soon as I enter the game there seems to be graphical errors on the buildings. ?( I seem...

Hello Guys, Reading on the net seems like someone integrated all the game audio from NeoGeoCD ver into the version made by Razoola for free for everyone. https://www.neo-geo.com/forums/index.php?threads/crossed-swords-2-aes-mvs-and-rom-thread.241894/...

Hello at all. I'm here trying to understand a weird problem on my Alpha mission conversion. I'm trying to use a CHA 42G-2 since i got a spare of this at moment. This game was originally created on CH42G and not on the -2 version but until now I thought they were almost identical but apparently...

Hello Guys, One friend of mine recently bought a copy of Zupapa and opening the case we find out that is an old conversion but something is wrong. Checking the chip it's obviusly a 29C800 - 1MB so here we have a total of 4MB C sprite.... Since this game decrypted is 8MB C1 and another 8MB C2...