NO_ERROR	equ		0

MSF_ADDR	STRUCT

    msf_Frame	db	?;
    msf_Second	db	?;
    msf_Minute	db	?;
    msf_Filler	db	?;

MSF_ADDR	ENDS

CDROM_ADDR_LBA	equ		0
CDROM_ADDR_MSF	equ		1

CDROM_ADDR	STRUCT

    Mode	dd	?
    Address	dd	?

CDROM_ADDR	ENDS

CDROM_REGION	STRUCT
    
    Mode		dd	?;
    StartAddr		dd	?;
    EndAddr		dd	?;
    
CDROM_REGION	ENDS



CD_IO_DISC_INFO				equ	0CD0BH	;	// Get Disk Information
CD_IO_RESET_DRIVE			equ	0CD00H
CD_IO_SEEK				equ 	0CD01H 	;	// Seek the Read Head
CD_IO_GET_DEV_STATUS			equ	0CD02H	;	// Get Device Status Info
CD_IO_GET_SECTOR_SIZE			equ	0CD03H	;	// Get Current Sector Size
CD_IO_GET_HEAD_LOCATION			equ	0CD04H	;	// Get Head Location
CD_IO_QCHAN_UPC				equ	0CD05H	;	// Get Media Catalog Number
CD_IO_QCHAN_ISRC			equ	0CD06H	;	// Get ISRC for Track
CD_IO_QCHAN_CURRENT_INFO		equ	0CD07H	;	// Get Current Q Channel Info
CD_IO_GET_AUDIO_STATE			equ	0CD08H	;	// Get Audio Pause State
CD_IO_GET_AUDIO_CHAN_CTRL 		equ	0CD09H	;	// Get Audio Volume Controls
CD_IO_SET_AUDIO_CHAN_CTRL 		equ	0CD0AH	;	// Set Audio Volume Controls
CD_IO_TRACK_INFO			equ	0CD0CH	;	// Get Track Parameters
CD_IO_AUDIO_SUB_CHAN_INFO 		equ	0CD0DH	;	// Get P-W Subchannel Vector
CD_IO_AUDIO_PLAY			equ	0CD0EH	;	// Play Audio Selection
CD_IO_AUDIO_STOP			equ	0CD0FH	;	// Pause or Stop Audio Play
CD_IO_AUDIO_RESUME			equ	0CD10H	;	// Resume Audio Play
CD_IO_SECTOR_INFO 			equ	0CD11H	;	// Get Sector Information
CD_IO_QUERY_SPEED 			equ	0CD12H	;	// Get Current Device Speed
CD_IO_QUERY_SPEED_CAPS			equ	0CD13H	;	// Get Speed Capabilities
CD_IO_SET_SPEED				equ	0CD14H	;	// Set New Device Speed
CD_IO_GENERIC				equ	0CD15H	;	// Generic Vendor specific IOCTL
CD_IO_READ_DRIVE_INFO			equ	0CD16H	;	// Reads driver specific info
CD_IO_READ_ERROR_STATS			equ	0CD17H	;	// Reads error statistic info
											;	// specific to each IOCTL
CD_IO_WRITE_DRIVE_INFO			equ	0CD18H	;	// Writes driver specific info
CD_IO_QUERY_IOCTL_FUNC			equ	0CF00H	;	// Queries IOCTL support caps

CDROM_SEEK	STRUCT
 
    Reserved	dd	?;						// Reserved - must be zero
    SeekAddr	dd	size CDROM_ADDR;		// Sector number to locate head at.
    
CDROM_SEEK	ENDS

CDROM_DEVSTAT	STRUC

    Reserved		dd	?;		// Reserved - must be zero
    DeviceStatus	dd	?;		// CD-ROM Device Status Indicator

CDROM_DEVSTAT	ENDS

CDDEVSTAT_DOOR_OPEN	    			equ		1
CDDEVSTAT_DOOR_UNLOCKED     			equ		2
CDDEVSTAT_READ_RAW_TOO	    			equ		4
CDDEVSTAT_WRITE_TOO	    			equ		8
CDDEVSTAT_PLAY_AUDIO_TOO    			equ		010H
CDDEVSTAT_INTERLEAVE	    			equ		020H
CDDEVSTAT_RESERVED_6	    			equ		040H
CDDEVSTAT_PREFETCHING	    			equ		080H
CDDEVSTAT_AUDIO_MANIPULATE  			equ		0100H
CDDEVSTAT_REDBOOK_TOO	    			equ		0200H
CDDEVSTAT_CDXA		    			equ		0400H
CDDEVSTAT_NO_DISK_IN_DRIVE  			equ		0800H
CDDEVSTAT_RW_CHANNELS_OK    			equ		01000H
CDDEVSTAT_RESERVED_13	    			equ		02000H
CDDEVSTAT_PLAYING_AUDIO     			equ		04000H
CDDEVSTAT_SPEED_ADJUSTABLE  			equ		08000H
CDDEVSTAT_SPEED_NONSTANDARD 			equ		010000H