h6. [[CDFSDriver]] h6(. » [[CDFSDriver SWI Calls|SWI Calls]] h6((. » CD_ReadData h2. CD_ReadData h5. (SWI &41241) |_<^{width:4em}. Entry | | |<^. R0 |<^. "Addressing mode":CDFS%20Technical%20Details#addressingmode | |<^. R1 |<^. Start address in given mode | |<^. R2 |<^. Number of blocks to read | |<^. R3 |<^. Pointer to destination buffer | |<^. R4 |<^. Number of bytes from each block to read (normally 2048) | |<^. R7 |<^. Pointer to [[CDFS Control Block]] | |_<^{width:4em}. Exit | | |<^. - |<^. - | h4. Use The purpose of this call is to read data from the CD, using the current mode . h4. Notes Note for driver writers: the value supplied in R4 may not be valid when CDFS supplies it to the driver entry point. See [[CD_SetParameters]] and [[CD_EnquireDataMode]] for more information on the current mode. h4. See also * [[CD_EnquireDataMode]] * [[CD_SetParameters]] * [[CDFS Technical Details]]