CD_ReadData (changes)
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CDFSDriver
» SWI Calls
» CD_ReadData
CD_ReadData
(SWI &41241)
| Entry | |
|---|---|
| R0 | Addressing mode |
| 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 |
| Exit | |
|---|---|
| - | - |
Use
The purpose of this call is to read data from the CD, using the current mode .
Notes
Note for driver writers: the value supplied in R4 may not be valid when CDFS supplies it to the driver entry point.
see SeeCD_SetParameters and CD_EnquireDataMode for more information on the current mode.
See also
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