/* Transfer data between the card and the FIFO. This is complicated by
the FIFO holding 32-bit words and the card taking data in single byte
chunks. FIFO bytes are transferred in little-endian order. */
/* Transfer data between the card and the FIFO. This is complicated by
the FIFO holding 32-bit words and the card taking data in single byte
chunks. FIFO bytes are transferred in little-endian order. */