EMU_A_CHAN_SENDAMOUNTS
emu_wrptr(sc, ch, EMU_A_CHAN_SENDAMOUNTS, 0);
emu_wrptr(sc, v->vnum, EMU_A_CHAN_SENDAMOUNTS, 0);
emu_wrptr(sc, v->vnum, EMU_A_CHAN_SENDAMOUNTS, (v->amounts[7] << 24) |
emu_wrptr(sc, ch, EMU_A_CHAN_SENDAMOUNTS, 0x0);