h6. [[CDFSDriver]] h6(. » [[CDFSDriver SWI Calls|SWI Calls]] h6((. » [[CD_SetAudioParms]] h6(((. » CD_SetAudioParms 0 h2. CD_SetAudioParms 0 h5. (SWI &4126A) |_<^{width:4em}. Entry | | |<^. R0 |<^. 0 (Reason code) | |<^. R1 |<^. Pointer to word-aligned "parameter block":#block | |<^. R7 |<^. Pointer to "CDFS Control Block":CDFS%20Technical%20Details#controlblock | |_<^{width:4em}. Exit | | |/3<^. R0 |<^. -1 if reason code not supported (V flag clear) | |<^. Error pointer + V set if some other error | |<^. Else preserved | h4(#block). Parameter block |_<^{width:4em}. Word |_<^. Use | |<^. 0 |<^. Channel 0 volume level | |<^. 1 |<^. Channel 1 volume level | h4. Use This SWI can be used to set the audio volume levels. h4. Notes Volume levels are in the range 0 to 0xffff inclusive, where 0 = mute and 0xffff = max. [[CD_Supported]] indicates whether this SWI is supported. h4. See also * [[CDFS Technical Details]] * [[CD_GetAudioParms]]