EMU_CHAN_PSST
emuxki_chan_write(&card->config, i, EMU_CHAN_PSST, 0);
emuxki_chan_write(&card->config, chano, EMU_CHAN_PSST,
#define EMU_CHAN_PSST_FXSENDAMOUNT_C EMU_MKSUBREG(8, 24, EMU_CHAN_PSST)
#define EMU_CHAN_PSST_LOOPSTARTADDR EMU_MKSUBREG(24, 0, EMU_CHAN_PSST)