FM_REC_DMABUF2
fm801_wr(fm801, FM_REC_DMABUF2, fm801->rec_nextblk,4);
fm801_wr(fm801, FM_REC_DMABUF2,fm801->rec_nextblk,4);
FM_REC_DMABUF2:FM_REC_DMABUF1, 4) - fm801->rec_start;