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Need Help Making a MAME Machine out of a Mortal Kombat 1 Cabinet
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robneal81:

--- Quote from: PL1 on September 09, 2013, 08:25:26 am ---Shouldn't that red 4 be a 5?
--- End quote ---

I assumed that's what he meant. 
robneal81:

--- Quote from: Endprodukt on September 08, 2013, 06:38:17 pm ---Why oh why do you do this to a working machine...

--- End quote ---


--- Quote from: Endprodukt on September 09, 2013, 03:25:43 am ---I know. I wouldn't ever convert a working dedicated machine. Period. Usually people start selling the pcb or hacking the cp for more buttons.

--- End quote ---

That's a valid question, but there's a very specific reason:

Mortal Kombat is my favorite arcade game.  In a perfect world, I'd have one MAME arcade and one original, untouched MK machine.  Unfortunately, I don't have the money and the space for both, so I had two choices:

- Build a MAME machine and just play the ROM of MK.

- Use an MK machine and a JAMMA switch to have both.

I've been messing around with emulators since the first version of NESticle was released in the 90's and no matter what, I can guarantee that emulation is never 100% accurate.  Some are 99.999%, but you'll always notice the difference with your favorite games...ESPECIALLY games like MK that run at a slightly different resolution and refresh rate. 

In the end, I decided that I'd rather have an MK machine that played 1 & 2 flawlessly and hook up a MAME machine as well.  I realize that some games will have choppy scrolling since the resolution and refresh rate are different, but I'm still going to use MK more than any of the rest, so that's the one that matters to me.

The only issue I'm having now is what to do with my MK2 PCB?  I can install MK1, the 2-1 JAMMA switch and install the J-Pac in the second JAMMA slot, with minimal effort.  I already ordered the extra wiring harnesses and splitters so that I wouldn't have to alter the MK machine at all:  No cutting of any wires!!  This way, someday I can put it back to just a stock MK machine.

So, what should I do with MK2?  Do I get a 4-1 (or 6-1) JAMMA switch and add MK2 as well?  If so, would I need to add a second power supply?  Cut any wires?  Alter the arcade machine? 

I'd really appreciate you guys advice.  Thanks in advance.
Endprodukt:
Adding a second power supply that's always on is safer, as switching could damage both, your screen and the pcb.

Yes mk has a Special resolution. Using groovymame with crt emu driver and an ati card (hd 4350) works really well. I'm using that setup on my beatup mk machine that came without a monitor or pcb,  so no bad feelings for me. It plays, as you said, like the original for 99,9%.

My problem with this subject is just because I'm from Germany and those machines are really rare and expensive over here, so please excuse my bad feelings when someone is hacking a great working cabinet.
Malenko:

--- Quote from: robneal81 on September 09, 2013, 08:33:11 am ---
--- Quote from: PL1 on September 09, 2013, 08:25:26 am ---Shouldn't that red 4 be a 5?
--- End quote ---

I assumed that's what he meant.

--- End quote ---

yeap, thats what I meant. 

As for keeping your MK "pure" you can always cut a new CP piece and remove the factory one, and put it back to "unconvert"  I bought my MKII as an UMK3 conversion, so I have the run button drilled into my MKII CP :(   I dont have a jamma switcher, but I do cycle the boards, MK1, MKII, UMK3, WWF Wrestlemania, and NBA Jam TE
robneal81:

--- Quote from: Endprodukt on September 09, 2013, 08:53:23 am ---Adding a second power supply that's always on is safer, as switching could damage both, your screen and the pcb.
--- End quote ---

If I use both MK1 and MK2 boards, I'll definitely get another power supply.  If I just use MK1 and the J-Pac, would I really need a second PSU?  The PC has it's own power supply and the J-Pac barely draws any power.


--- Quote from: Endprodukt on September 09, 2013, 08:53:23 am ---Yes mk has a Special resolution. Using groovymame with crt emu driver and an ati card (hd 4350) works really well. I'm using that setup on my beatup mk machine that came without a monitor or pcb,  so no bad feelings for me. It plays, as you said, like the original for 99,9%.
--- End quote ---

I'm using an ArcadeVGA video card.  Will Groovymame allow me to tweak resolutions so "normal" games will look good on the MK monitor's weird resolution and refresh rate?  Sorry if that's a stupid question, but I've never used Groovymame before.



--- Quote from: Endprodukt on September 09, 2013, 08:53:23 am ---My problem with this subject is just because I'm from Germany and those machines are really rare and expensive over here, so please excuse my bad feelings when someone is hacking a great working cabinet.

--- End quote ---

I agree 100%...which is why I'm trying my best to not permanently modify anything inside of it :)
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