CS_DSP_DATA_WORD_BITS
nwrite = min(CS_DSP_DATA_WORD_BITS - ch->cachebits, nbits);
if (ch->cachebits == CS_DSP_DATA_WORD_BITS) {
*ch->data++ = (ch->cache & 0xFF000000) >> CS_DSP_DATA_WORD_BITS;
return cs_dsp_chunk_write(ch, CS_DSP_DATA_WORD_BITS - ch->cachebits, 0);
ch->cachebits = CS_DSP_DATA_WORD_BITS;