EMU_CHAN_PTRX
emuxki_write(sc, chano, 0x10000000 | EMU_CHAN_PTRX,
emuxki_write(sc, i, EMU_CHAN_PTRX, 0);
emuxki_write(sc, i, EMU_CHAN_PTRX, 0);
#define EMU_CHAN_PTRX_PITCHTARGET EMU_MKSUBREG(16, 16, EMU_CHAN_PTRX)
#define EMU_CHAN_PTRX_FXSENDAMOUNT_A EMU_MKSUBREG(8, 8, EMU_CHAN_PTRX)
#define EMU_CHAN_PTRX_FXSENDAMOUNT_B EMU_MKSUBREG(8, 0, EMU_CHAN_PTRX)