Sound doesn't work, it never has. Currently MAMEdev doesn't have the required docs for the KS0164 chip. This chip also goes by the name of Samsung's Omniwave MULTIMEDIA AUDIO.
It does MIDI, has it's own wavetable synthesizer and 16bit built in CPU. So we need docs that cover all that, especially the CPU op-codes to get it fully emulated. Even then we don't know if it has an internal ROM.
That's bit beyond my skills.
Brian
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