Naomi / Chihiro key chip programming

channel27

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Hi all,
Is it possible / can someone program key chips for Naomi / Chihiro games if you’ve got the original CD but no chip?
I know I can NetBoot games but where’s the fun in that? :D

Cheers,
Rob
 

Fantazia2

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There did used to be a list somewhere of all the discovered keys, I think you can just write a pic chip list the zero pic but with the correct key in it instead of the zero key, but there is also possible another part of the pic code needs changing as I think there is a different flag for netboot and disc games, and possibly also Flashcard games.

I used to have a link to the page but not sure if I have it anymore, but it had a long list with the GD-ROM disc numbers in it and the matching keys.
Fantazia22020-07-02 19:14:04
 

channel27

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Looks like it's not as simple as I thought then
smiley6.gif

It'll probably just be easier for me to ask in the wanted section for a key-chip
smiley4.gif


Anyways, thanks for the reply.
 

Fantazia2

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Might not be that hard, have found some of my old notes/links.

There is a pastebin for a working Guilty Gear XX Reloaded Pic source pulled from mame.

http://pastebin.com/Wn33TXMk

From my original Link the Pic Key for Guilty Gear XX Reloaded is

3EE92354DC68642F

And the Filename is

BGB

It could be you just need to swap the details for the key you want to use

In the Pic Source File the AKeyCode and BKeyCode would need changing on lines 990 to 1005 to replace the hex entries with the new ones. The key is 16 characters long the first 14 go in the AkeyCode section after the 0x33 part and the last 2 go in BkeyCode after the 0x34 part, if you compare the file with the key above it should hopefully make sense, so 3EE92354DC68642F becomes 0x3E, 0xE9, 0x23, etc.

Then you would need to update the filename part starting from line 1013 that currently says 5BGB.bin to match the filename listed on the link of details.

The AYJIOANSWER shouldnt need updating as it should already be set to GD-ROM and not netdimm.

After that it should be compiled and written to a pic chip and that should be it.
 

Fantazia2

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Plus have found the original Link I was thinking off with key dumps.

http://members.iinet.net.au/~lantra9jp1_nbn/gurudumps/naomi/index.html

I have a working zero key source file, it you add what game youre trying to get working I could have a go at changing the source file with the correct key, but I dont have anything to test it with anymore, and not sure if I have the program installed anywhere to compile it.
 
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