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SubjectRe: NeoGeo sound emulation help Reply to this message
Posted byAamirM_Nugen
Posted on09/25/07 02:35 AM


I suggest that you take a look at Final Burn Alpha and gngeo sources. Sound support is a bit tricky to get working. Also make sure that your memory and Z80 port handlers are set-up correctly.

stay safe,


PS: I am a Neogeo emu author :) (download the beta version from

> Any NeoGeo authors have any tips about getting sound to work?
> I have the Z80 running, and I pass the bios Z80 check. However, the ym2610
> never gets a request to start an adpcm channel (I don't even care about the FM
> stuff yet).
> I have the ym2610 timers running, and I've verified they are sending IRQs to the
> Z80. I'm giving the Z80 a NMI when the 68k sends a sound command.
> I don't have much debugging capability on my target system, so it's hard for me
> to track down problems. Any insights would be very much appreciated.

Entire Thread
Subject  Posted byPosted On
*NeoGeo sound emulation help  masterzog09/22/07 10:56 PM
..Re: NeoGeo sound emulation help  AamirM_Nugen09/25/07 02:35 AM
..*Re: NeoGeo sound emulation help  masterzog09/25/07 01:20 PM
.*Re: NeoGeo sound emulation help  Hyde09/24/07 04:44 PM
..*Re: NeoGeo sound emulation help  masterzog09/24/07 06:38 PM