Looking to learn to make my own Eproms need help

ctozzi

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I would like to expand my knowledge on this hobby and was thinking of getting a programmer. I only play Mortal Kombat type games( Killer Instinct,Street Fighter, NBA Jam, 90's Midway stuff), so I'm looking for a device that people have used in the past that works easily and has a short learning curve for these types of roms specifically. I'm not looking to start a biz selling chips but rather learn something new for fun and have the abilty to make my own roms when needed. Any advice on what to buy, where to get it, how to learn the process ...Would be great. I have alot of questions obviously so any long response in this thread detailing things out of my scope of knowledge is welcomed.

Here are roms from MK3 that I'm looking to be able to create:

http://s62.photobucket.com/albums/h118/ctozzi/?action=view&current=DSCF2929.jpg
http://s62.photobucket.com/albums/h118/ctozzi/?action=view&current=DSCF2931.jpg
http://s62.photobucket.com/albums/h118/ctozzi/?action=view&current=DSCF2930.jpg


Thanks
Chris
 
I think those are custom chips, so I have no idea what it would take to reproduce them.

With an actual eprom chip, you just need to check the device list for the programmer you are looking at.
 
They appear to be mask roms, without knowing what size and type to use as a replacement it's kinda hard to give any advice on a programmer or software to reproduce them.
I'm sure the information is out there....
 
I read somewhere that they are EEPROMs, so you will want to make sure whatever programmer you get it can handle EEPROMs. I'd recommend Batronix, I'm on my second one now and I've loved both of them. Its going to cost you a good amount of money, but a 5 year warranty with great customer service is more than worth the price. Also they can add more chip compatibility with firmware updates to the programmers . . . thats just a tough thing to beat.

I know the BX-48 I think can auto-identify chips, which is a nice feature, but that program is like $500 bucks I think . . .
 
All the games you listed use 27C4001s . That masked rom is just a one time programmable 27c4001 that cannot be erased and reprogrammed. I think it must have been cheaper to use those at one time back inthe day because you will see them on some MK3 and MK2 boards. Now they cost twice as much it seems.

Just buy a cheap willem 5.0 on ebay , it will burn 4001s and the 801s that you are most commonly going to need for MK1-MK3, all KI roms, and NBA Jam etc...
 
also pick yourself up a 30 dollar UV light eraser, it will save your butt when you need to erase a mistake or if you pull eproms from a board and change the version of them.
 
MK3 (Wolf) unit boardsets use mainly 27c801s. Plain MK3 had a row of 27c4001 and the two main program roms are 27c4001s but the other 22 eproms on that board are 27c801s, UMK3 only has the two program roms as 27c4001s.
 
All the games you listed use 27C4001s . That masked rom is just a one time programmable 27c4001 that cannot be erased and reprogrammed. I think it must have been cheaper to use those at one time back inthe day because you will see them on some MK3 and MK2 boards. Now they cost twice as much it seems.

Just buy a cheap willem 5.0 on ebay , it will burn 4001s and the 801s that you are most commonly going to need for MK1-MK3, all KI roms, and NBA Jam etc...

It was cheaper, especially when done in the quantity they were making back when those games were released. The downside was that those roms (typically all the art and somtimes part of the sound) had to be locked down earlier than the rest of the game had to be finished in order to give the lead time to get them all produced which meant once that was done there was no changing or adding anything to those roms.
 
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