(CDP) CD Player Commands

Appendix D

 

 

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)

 

 

D-2

Software Driver Installation Guide / Owner’s Manual