CD_ReadAudio
CDFSDriver
» SWI Calls
» CD_ReadAudio
CD_ReadAudio
(SWI &41266)
| Entry | |
|---|---|
| R0 | Addressing mode |
| R1 | Start address of section to grab |
| R2 | Number of 2352-byte blocks to grab |
| R3 | Pointer to destination buffer (multiple of 256) |
| R4 | Flags: |
| Bits 0-7: 0 = read PCM, non-zero = reserved | |
| Bits 8-31: Reserved (zero) | |
| R7 | Pointer to CDFS Control Block |
| Exit | |
|---|---|
| - | - |
Use
The purpose of this call is to read audio data from disc, if the sector lies in an audio track.
Notes
CD_Supported can be used to determine whether the drive supports this operation.
See also
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