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(CDP) CD Player Commands Appendix D
D-2 Software Driver Installation Guide / Owner’s Manual
The following lists the Command Mnemonics and an explanation for each:
CM Command Drive Action
?A Address Request Returns a 10-digit string (TTIIMMSSFF) representing Track
number, Index number, and P-code time for the current
address. In Park mode, the string is XXXXXXXXXX, at
lead-in 0000000000. At lead-out, the string is AA01000000.
?B Block Request Returns a six digit string representing the current address in
MMSSFF format. In Park mode, XXXXXX is returned.
000000 is returned when the current address is in lead-in area.
BK Block Mode Sets the addressing mode to Block mode. All subsequent
addresses must be in MMSSFF format.
CL Clear Clears the buffer which stores the stop marker. Will also
cancel search mode or play modes.
?G Catalog Request Returns the disc’s 13 digit catalog number. If the disc does
not have a catalog number, or if no disc is loaded, the string
will be all “X”s.
?I Index Request Returns a four digit string representing the track number and
index number. In Park mode, XXXX is returned. 0000 is
returned when the current address is in the lead-in area, and
AA01 when in the lead-out area.
IX Index Mode Sets the addressing mode to Index mode. All subsequent
addresses will be interpreted as indices.
?K Disc Status Returns an eight character string representing the attributes
Request of the currently loaded disc. (N1 - N8)
N1: Disc Loaded 0: No 1: Yes X: Unknown
N2: Audio Track 0: Not Present 1: Present X: Unknown
N3: Data Track 0: Not Present 1: Present X: Unknown
N4: CDV 0: No 1: Yes X: Unknown
N5: CD-I 0: No 1: Yes X: Unknown
N6-8: Reserved (All X)