EMU8000_FM2FRQ2_WRITE
EMU8000_FM2FRQ2_WRITE(emu, ch, 0);
EMU8000_FM2FRQ2_WRITE(hw, vp->ch, fm2frq2);
EMU8000_FM2FRQ2_WRITE(emu, i, 0);
EMU8000_FM2FRQ2_WRITE(hw, ch, 0);