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Still glitches. The sprite system needs a rewrite to make it better. It's on my list.

Can you post a video of this happening. Also, which bios exactly?

@pierpa86 POW has been uploaded and can be found on my Patreon.

Yes, you're right. The first 1mb should be bios, then the program rom. Sorry about that. I'll try to put something together tonight.

Yes. The ddp3 bios is intro-less. You have to fill the first two megabytes with copies of the bios, then the second half with the ddp3 rom. There are jumper settings to make it boot at address 0 and use a 4mbyte rom. Hopefully this makes sense.

HI there! I sent it via pm. I'm saving up for more hardware that will help with development, the support is always appreciated!

It arrived today! Thank you all again so much! @Hammy @twistedsymphony @VJP @AlxUnderBase @ShootTheCore @nnap @Mageta the Lion @Neo-Alec and of course @Darksoft

Wow! Thank you for the support guys! This is huge!

No. Not even half way. Not including any sort of taxes, fees, or shipping.

That would be great! The Patreon over the last 5 months are helping with a chunk of getting one, but I'm definitely not there.

Someone (James, the guy behind the Gamedrive series of flash carts) is working on a flash cart and has been using my "protection-removed" sets to test with. You can see his updates on @GC8TECH's discord: https://discord.gg/XUs2gpBR @XtraSmiley

@h0ffman I've been following your work too! Nice stuff! As far as my process: A custom bit of code that checks opcodes and patches memory addresses for RAM regions (to move the main RAM's location, for example). Disassemble the 68K and rewrite & patch in functions as necessary. Sprite and fix...

Very cool! I've been wanting to do something like this with Zintrick.

A lot of NeoGeo games use "banks" for samples. The builder tool allows for this. What you see for this is usually a byte from 0x18-0x1f then followed by a byte that is >= 0x20 that plays from an alternative track list. For the sound builder, it's annoying because it will always apply whatever...

I have written a few things in z80 assembly, yes. It's easy enough to disassemble things with the mame disassembler.

Unfortunately no, regarding KOF2000, the data that holds the 'fix' (text graphics) is larger than what the vortex can handle. MOTW used a copy protection chip on MVS and AES cartridges called SMA. There were other games that used this chip, but SNK released versions that didn't have it (and...

FWIW I implemented this in FinalBurn Neo https://github.com/finalburnneo/FBNeo/commit/4210c1bcb4ec1930368f0fabcb31365c023868b9

It appears that the last 12mb are not used. It runs well on NeoGeo CD with only the first 4mb other than the broken sound. I believe this is related to the CMC sprite encryption that these games use requiring 16mb of data minimum. Pochi and Nyaa is another example of this FYI. Only the first...

For my hacks I just do add.b #$20, sound_command On the 68k side. You'll have to modify the.z80 it produces if you want to change the fixed commands. It doesn't offer any options to change these otherwise.

If it was just a dead ASIC, you should get an error on the screen, not just garbage. *edit* W/the ASIC completely disabled in FInalBurn Neo it shows this.