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SubjectNeoGeo sound emulation help Reply to this message
Posted bymasterzog
Posted on09/22/07 10:56 PM

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