EMU_CHAN_VTFT
emu_wrptr(sc, ch, EMU_CHAN_VTFT, 0xffff);
emu_wrptr(sc, ch, EMU_CHAN_VTFT, 0);
emu_wrptr(sc, v->vnum, EMU_CHAN_VTFT, EMU_CHAN_VTFT_FILTERTARGET_MASK);
emu_wrptr(sc, v->vnum, EMU_CHAN_VTFT, 0xffffffff);
emu_wrptr(sc, v->vnum, EMU_CHAN_VTFT, 0x0000ffff);
emu_wrptr(sc, v->vnum, EMU_CHAN_VTFT, EMU_CHAN_VTFT_FILTERTARGET_MASK);
emu_wrptr(sc, v->vnum, EMU_CHAN_VTFT, 0xffffffff);
emu_wrptr(sc, v->vnum, EMU_CHAN_VTFT, 0x0000ffff);
emu_wrptr(sc, ch, EMU_CHAN_VTFT, 0xffff);
emu_wrptr(sc, ch, EMU_CHAN_VTFT, 0);
#define EMU_CHAN_VTFT_VOLUMETARGET EMU_MKSUBREG(16, 16, EMU_CHAN_VTFT)
#define EMU_CHAN_VTFT_FILTERTARGET EMU_MKSUBREG(16, 0, EMU_CHAN_VTFT)