This article covers the methods for YM2612 (aka. OPN2, the FM synth chip of Genesis), but some of informations can apply to SN76489 (the DCSG chip) too.
- Dump VGM file by Kega Fusion
- Extract instrument presets from VGM file by vgm2pre
- Play VGM file and mute channels by foo_input_vgm
- Convert VGM file into Genesis ROM by VGMPlayer
- View register values in real-time with Exodus