Pioneer SCSI-2 - Manual (Page 84)

Play Audio MSF
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2.13 Play Audio MSF (47h)
Operation Code is (47h)
Starting M/S/F Field
Specifies absolute starting address in minutes, seconds, frame number.
Ending M/S/F Field
Specifies absolute ending address in minutes, seconds, frame number.
The PLAY AUDIO MSF command requests the target to begin an audio playback operation.
The command function (Immed) and the output of audio signals shall be as specified by the
settings of the mode parameters page code 0Eh.
The Starting M Field, the Starting S Field, and the Starting F Field specify the absolute MSF
address at which the audio play operation shall begin.
The Ending M Field, the Ending S Field, and the Ending F Field specify the absolute MSF
address at which the audio play operation shall end.
All contiguous audio sectors between the starting and the ending MSF address shall be played.
A starting MSF address equal to an ending MSF address causes no audio play operation to occur.
This is not considered an error. If the starting MSF address is less than the ending MSF address,
the command shall be terminated with Check Condition status. The sense key shall be set to
ILLEGAL REQUEST.
If the starting address is not found, or if the address is not within an audio track, or if a not ready
condition exists, the drive will terminate with a Check Condition status. If the SOTC bit
parameter in the MODE SELECT command page code 0Eh is one, the drive will stop if during
the specified starting and ending addresses, a track crossing occurs.