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Donkey Kong maygay


Darklink87
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Someone I know is selling a donkey Kong maygay but no main board if I got a board how would you go about getting the rom chips etc if someone could help thanks 

Edited by Darklink87
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3 hours ago, Darklink87 said:

Someone I know is selling a donkey Kong maygay but no main board if I got a board how would you go about getting the rom chips etc if someone could help thanks 

Good luck getting a working board, they're like rocking horse sh*t.  Then you'll need an ESP board and somebody to burn the ROMs for you, if they're not already in the machine.

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The thing to find out if it has and needs a dongle (I don't mean the modern type). A lot of m1s have a small board that plug into the rs232. Without it it will just display Contact maygay on the display. That will be a bitch to find one (could be in the cab if you're lucky).

I'm actually working on an m1 atm- *not for sale and not taking any on* but you can see the work that goes into them 😬 fecking batteries!

20211001_221447.jpg

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Those dongle roms can be hacked so the dongle is not actually required.  I don’t hacking a set, these are generally the low stake versions, you don’t require dongle on any high stake Maygays, from what I’ve seen anyway.

J

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With a username like cpuhacker you should be able to tell us 🙂

I took the case of the dongle for a look and it's a PAL chip in there so rationalized it's sending it's pulses back to the board off custom pins each time. 

I think it's gotta be a few lines of code that Andrew was changing in the Rom. No idea past that though cannonman or magic might be able to tell you more

Edited by MattyL
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29 minutes ago, MattyL said:

No idea past that though cannonman or magic might be able to tell you more

I'm not great on 6809 assembly language unfortunately. If it was Z80 I'd stand more of a chance!

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On 10/6/2021 at 9:41 PM, MattyL said:

That's interesting, is it the Rom that's hacked? Do you know how it's done?

I've only had one with a dongle, the great escape on £8.

Yes mate, I can hack the rom so that the dongle check is disabled.

J

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