h6. [[CDFSDriver]] h6(. » [[CDFSDriver SWI Calls|SWI Calls]] h6((. » CD_EnquireAddress h2. CD_EnquireAddress h5. (SWI &41249) |_<^{width:4em}. Entry | | |<^. R0 |<^. "Addressing mode":CDFS%20Technical%20Details#addressingmode for returned head location | |<^. R7 |<^. Pointer to [[CDFS Control Block]] | |_<^{width:4em}. Exit | | |<^. R0 |<^. Head address | |<^. R7 |<^. Preserved | h4. Use This call returns the current address of the head. h4. Notes Can be used while playing audio, to determine which section of audio is playing. h4. See also * [[CDFS Technical Details]]