How to burn (write), read, and erase EPROMS in arcade games - How to convert Nintendo VS games
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- čas přidán 10. 11. 2012
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This video shows how to read, burn (write), and erase EPROMS in arcade games. In this video we are going to convert a Nintendo VS. PCB from Vs. Soccer to Vs. Ice Climber. We talk about the PPU, CPU, and the 2764 EPROMs needed to convert a game. I am using a NEEDHAM EMP-10 burner in DOS to burn and read my EPROMS. I have a cheapo ROM eraser from China that I picked up on eBay. It's nothing more than a UV light with a timer. When using a program like ROMIDENT a rom burner like this one is an invaluable tool!
Sorry, I do not offer the service of burning ROMs. But, I know someone who does! :) Please contact Stephen at www.hobbyroms.com if you need ROMs burned. He's a good guy!
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This is the most mad scientist thing ive watched in a long time. Basement. Arcade machines. Looks up info from his own website. The medical band. Crazy noises in the background. Weird old PCB's. PC running DOS. EEPROMS
Amazing stuff dude.
R.I.P. Pins x(
Hey John, very interesting video! I'm curious, are you familiar at all, or even know if it's possible to erase + modify an eprom chip that contains sound data? I have several arcade claw machines that have sound, one from the mid 90's and one from only a few years old. The one from the 90's has an eprom sound chip in the main PCB, do you know if that can be modified at all to add my own sounds? Same with the newer machine...?
Thanks!
I had gotten EPROMs off of a Race Drivin' arcade board that had sound. I read them with an EPROM programmer and found mine just had 8-bit, 8kHz PCM audio, which could be imported straight into Audacity as raw data. I would not be too surprised of your sound EPROMs are done in a similar way. If so, you could record a .WAV file at that rate, and save it with a .BIN extension, and in the data editor, change the bytes from address 0x00 through 0x2B to 0x80 to take out the wave file's header (and put the audio level at zero for that portion).
I still love these videos,new people getting into this hobby everyday and these videos were and are important tutorials
I enjoyed the hell out of this. You've got me hooked on this hobby. Great vids man
Great video John, Always wondered how difficult it was to do this sort of stuff. You make it look very easy.
Finally someone covers this....THANK YOU!!!!
By far the funnest and most interesting way to learn about EPROMS :D
AlphaOmega You are my hero. Yes question about it :)
Man, I'm just about speechless. As much as my mind was blown by your collection (what? no Blaster? ;^) , this vid just drop kicked the remnants. I'm amazed how you've taken something so mystifying and made it as easy to grasp as Basic code back in study hall! All those MAME errors make so much more sense now! Seriously, thanks!
Awesome. Thank you!
Oh, BTW -- I'd LOVE a Blaster. :)
ditto that...hell, give me a Blaster conversion even! Do you know if there are any known cockpit models in collections?
awesome video! i know eventually ill need to have this knowledge when i get into arcade cab collecting and videos like these will be useful!
Fantastic video, man. I'd love to see more of these tech related videos!
thanks for sharing John's Arcade Game Reviews & Tech
You are my hero. No question about it. :)
great vlog! the technical stuff is interesting as well.
Wow I just learned something! This is great! I'm not as timid looking at those old PCB boards and EPROMS. My old DOS commands will come to some good use instead of just running DOSBOX on my PC.
I love your videos,man.
Keep up the good work!!!!
Great video and tutorial buddy. Really appreciate the knowledge transfer!
Your vids are AMAZING!!!
Love the instructional videos! Keep them coming!
First time watching your channel. I think I came a little when I saw your game room. LOL I've been an EE for 38 years and I enjoyed the content of this video. As your video shows, burning EPROMs and EEPROMs used to be a lot harder back in the day. I also still have a few older computers laying around just for their parallel port. I have a MAME console and a few coin-op games in my man cave. Thanks to your video, I'm going to have to get more! :-) I started out with DOS. When I boot a computer to DOS or open a command shell, most people think I'm some kind of a super-hacker. I have to explain to them that this is the way we used to do things before Windows. Great video! Keep on keep'n on!
As usual. Great video. You certainly have the voice for videos. Always entertaining. I'm have been dragging my feet with burning my own roms for years now. So after watching your video i am buying the equipment to start.
Great video! 😁
Good explanation of the EPROM burning process. Wish I'd seen this before I started my EPROM burning journey.
Very interesting, I have 7 arcades but haven't tried to play around with roms yet and always wondered what was involved with it. Looks pretty easy to read, erase and write to them. Thanks for the video!
I love the sound of that Taito QIX machine...probably one of the only games to have no pattern. Awesome basement John!!
Do more instructional videos john! This was like my favourite video of yours ever.
Top vid, it helped me fill in the blanks to allow me to burn my first eprom chips on my A1200, thanks.
Great!
Been watching your films all day, very nice, especially the arcade restorations!!
Thank you! Enjoy. :)
I am, watching the Mortal Kombat one now. I love arcades but took the easy way out and fitted a cabinet with Mala, running Mame and all Nintendo, Sega and Atari emulators. Don't have the space for heaps of cabinets, so total respect for someone that does and knows how to keep them running. Keep the docos coming!
Awesome! Glad you enjoyed it. THANKS!!!!!
Awesome John! Thanks for the video!
thank you for this video John!and hello from Greece....liked and subscribed
hi john really enjoyed watching that video very interesting stuff mate
You’re a god among man. I just subscribed
Interesting info about the divide by 8 thing! I had no idea! THANKS!
Really nice vid john.
Just want to thank you John for showing this always wanted to know how to do these chips. You can teach an old dog a new trick. Lol thanks again loved the video can't wait until the next one.
Excellent video. I've been doing rom stuff for years (i'm on my second programmer right now thanks to the first one craping out on me) but it is great to see a video i can forward to people to explain what i sometimes work on. Cheers!
Always like your videos but really like these tech ones you've been doing for us novices.
Cool vid, Cool hangout.
one of the best info videos around wonderful
good video,i bought 23 games needing repair, and going to use your video tips to fix them back up, great videos you made
awesome video dude , I always wondered how these work, thanks
Thanks!
woow man what a nice sound from the background this reminds me to the day wen i played on the old machines like this !! this is awesome tutorial I like your workk keep up the work man you are awesome ;) ;) ;) ;)
johnny been watching your vid's for ages mate good job, quick question i want to get into burning eproms, i have most mame dumbs, when selecting data to write must the files be unzipped in order for the eprom program to read the files or will it read them directly thorough the zip file?, hope that makes sense keep up the good work champ..
franky
Great idea for a vid. Good job.
as a person that does a lot of hobby electrical work, whether its rewiring guitars with push/pull pots or modding arcade sticks, i now see why you love this hobby so much now! it seems like it would be just as much fun to work on them as it is to actually play them. im sure there is headaches involved but it all seems worth it in the end and it must feel rewarding as hell to play a game after it broke down
Very nice.
Thank you.
MAN THANKS!!! THIS VIDEO ROCKS!!!!!!!!!!!!!!!!!!!
Enjoyed watching the video.... thanks
When the memory of the game code are split into the EPROMS, it makes it sound like a RAID drive.*For other people* : A RAID Drive is multiple drives combined to make it one big drive.
Hi John, Thank you for sharing your knowledge. It's very interesting to known that we can interchange games on a board that was designed for a specific game. Your sample tell about an experience with Nintendo board. I would like to known if you already this kind of conversion with older board ? Like very old 1980s board with 44-PIN Edge boards from Taito (Legend of Kage, Arkanoid, Bubble Bobble) ?
That chip is ready to be wrote... Is the best statement ever, thank you for this information.
Nice video John. I'm guessing this is how you can make NES reproductions using the same dos program?
I rly love MS-DOS too, and now in 2018 MS-DOS is open source and we have free DOS too.
Nice video mate.
AMAING VIDEO!!!!!!
I found this video fascinating, thank you. I would love to know how the guys who actually created these games did all the programming. Any links or vids you have on that would be appreciated :)
Any of your machines have a "Dale Distributing" plaque on them somewhere?
Super informative video! Thank you! One humble request: can you turn your other games off when you make videos? The sound. :)
hey john you have any idea on mame as i have the mame32plus 0.122u1 with 6992 games but just cant get my head around chd cfg and the roms just want to understand it as i can c u basically use the real thing instead of mame hope u understand lol :)
What about games like Street Fighter III Third Strike and other CD based arcade systems, like the Capcom Play System 3? Do I just burn the ROM onto a disc and put it into the CPS3?
I usually use mame roms. Are you pressing 'v' and then browsing to the drive and then folder? They have always showed for me.
dudeee you are awesome hahahaa i like the way you learn it's maybe like mine, "once i have it, i google everything and tried" grettings!! this video ROOCKS!
AphexKiller you rocks
Yo man! Your vids are EXTREMELY helpful. EMP programmers seem to get pretty good reviews across the board, so I may pick one up. Does the model you use support 2716 EPROMs?
+Jimmy Wright Yes, it absolutely can burn 2716 eproms. I have never had an issue burning any eproms from the 80s and 90s with this unit.
Subbed John , :useful for if I ever have to replace Eprom ) QC
Great! Thanks! :)
hello john . where can i find the games ? . any good free download sites ?
Great! But that was 6/ 6 eproms to exchange ( same amount) , but what if You have 8 or 3 eproms in game You want drive in?
Great video, and nice website! Is that QIX I hear back there? I like that game, but it can make you rage a little.
Is the EMP-20 just as good?
i am wondering if there is a way to burn NES roms (any games) into VS. Unisys? I know that it's possible to play VS games on NES but i've never heard about another way around
which of the roms hold the prg and which ones hold the chr data? I've been meaning to get a 6502 game I made a couple years ago on a cart.
i am by far to slow to do this but i will have to learn for my pole position ,,any ideas why i have no sound??
I appreciate your help :D There's not much info on it but I'm guessing the majority of games used the same amount of chips. I was going to make a small board but use spi flash rom for storage.
What is the name of the that previews the video game and shows how many credit the person has?
Amaziiing place!
What eprom can be used to replace f29c51001T?
Love it !
That's really odd. Are you browsing the hard drive the same way I am? I've never experienced that. Glad you at least figured it out.
Huh. No idea. I am running an 800 Athlon. Did you try the xp version? I have all the software on my website. I have heard that the burner isn't too happy with fast computers. I boot into dos from floppy and access files of hard drive.
I've been a subscriber for a long time, but never saw this video before.. As a long-time geek that's been burning eproms since these machines were new (I remember paying over $25 for a 2764!!) this is all good information, but since it's aimed at beginners, you might stress that when you're taking out a chip, you need to first make sure it's socketed so someone doesn't try to pull a soldered chip, and show/describe that you're putting that screwdriver in between the chip and the socket. Also, you're a little rough with those chips - With some kinds of sockets, your technique could have hurt something underneath, and I think you should take a little care to make sure they come out straighter so you don't bend pins!! Pry a little on one side, and then on the other, and kind of rock it out.. I'm with you on using a screwdriver - I've NEVER been a fan of chip pullers unless the board is really crowded and you can't pry against anything, but just be careful!!As a matter of trivia - Sometimes it's good to know that a "blank" chip is all ones.. In otherwords "FF" in hex, or 255 in decimal.. The "burning" process burns the zeros, and the UV light sets everything back to 1's again.Last comment is I'm glad your camera skills have advanced since this.. Have to admit - I got a little seasick on the beginning of this video!!!!Thanks for taking the time to share this knowledge with people..
A little rough? Jesus, Donkey Kong hands. Excellent video though.
is the equipment costly to burn chips or not
Very nice video, but I have a problem. I have the same Eprom eraser, but I think it dont erase my eproms.
After 60 min of erase time, still I can read the data what was on eprom. And my programmer still say that the eprom is not empty...
The UV tube is working, I can see the blue light form the hole.
What would happen if you modify the security chip and the EPROMS?
So you could save pcb boards that have eproms on it. now as far as I have seen the PPU doesn't seem to be an issue here. So I could basically any pcb to another pcb with the same design, als long as it is assured that some data is not stored somewhere else. e.g. music files on other parts. like with eeproms for example
Do you know how to programn eproms and arcade games?
great video, however as far as I can see from the video the program works in dos real-mode, I don't understand why it was not made a driver for win/xp/nt (with the interface in user-mode) is not that it takes time to make the driver
There is a driver to make it work in XP but I could never get it to work. I don't mind booting to DOS. It's kind of fun. :)
I want his passion ! Wow
Love watching your videos and this a good tech video for vintage game folk like myself. I have a question. Between 19:20 and 20:20, you discuss about checking your files/images against the correct file/image for troubleshooting, testing, etc. Where do you get your files to check against? Is there a website or data base that you use to get the original ROM dumps besides MAME?
MAME. The MAME files are rom dumps.
I am just starting to burn my own ROM sets and after a little research, seems MAME is the most common source. I often wonder though if they are authentic dumps of the original ROM set or if some have been "hacked" or modified. Thanks for the reply though.
tbone 88 No, they are literally dumps of the EPROMS. That's what they are. Same code. MAME emulates the hardware. The software (from the eproms) is identical.
I was mostly wondering if there was a reliable website or database to get the files. A lot of the MAME sites are full of pop ups, adware and crap like that. Can you recommend a good source?
so how can I make a now geo multi cart. can you point me in the right direction.
you are the man.......YOU'RE THE MAN! LOL this is really cool
I've never had any reason to do this, but always wanted to buy an erasor/writer and write some eeproms! One day I'll find an excuse to do it.
Is it possible to do this with 8 liners?
so, my Sega Super GT is giving me problems. Doesn't always boot up, and when it does run, i get memory errors. The card cage has LOTS of rust so.... ya the boards are pretty rough. I'm looking to get at least the CPU board, but i need to check all of the ROMS on the ROM board. Luckily the Model 3 ROMS are 'out in the wild' so I will have something to compare against. I've done some eBay searching for this model of ROM burner, but they are getting pretty rare, and I would prefer USB over parallel since most of my computers don't have it anymore... so i guess what i'm asking is... is there a modern programmer you or your friends would recommend?
Lol, I just looked at an Eprom and was like "Hmm, this looks like an electronic centipede..."
i want an upright vs like adam has they are hard to find in good shape
Do the rom files have to be of a certain type? I just got the same programmer and i can't get it to recognize my roms. I am currently messing with a nonworking centipede board. Tried to load a rom into the buffer. But when i open my rom folder it doesn't show the roms... don't know if it matters but i am running a boot of dos from a flash drive.
Just bought a labelling machine today after I saw this :)
We are witnessing a fellow dedicated MAME developer attempting to get a good dump for a machine
I use same software, I have the isa card version with ribbon cable and ZIF socket, instead of external box.
Hi john, not very computer davy, do you know where i can buy eproms? I have two bad eproms one from mk3 ultimate another from mk4. I'm going crazy trying to find places, but i can't find them. Hope you can help
Yes, contact Stephen at www.hobbyroms.com - he can help you! Good guy too!
John's Arcade Game Reviews & Tech wow thank you thank you thank you.. you saved me.. i thought i needed to by a new board.. million thanks john!!!!
browsing the exact same way you did in your video, but i am booting dos from a usb drive at startup. the rom folder is also on the usb drive. next step will be to attempt to program a chip. I have a street fighter board with some graphics issues i can play with.
I habe a cps 1 this would be eqipment to investment, so I can change my srcade from street fighter 2 to a double dragon and back