INT 2D - CDTSR - GET INTERNAL VARIABLE TABLE                                    
	AL = 10h
	AH = AMIS multiplex number for CDTSR
Return: CX:DX -> CDTSR internal variable structure (see #02583)
Program: CDTSR is a resident audio CD player by Colin Hill
SeeAlso: INT 2D/AL=11h"CDTSR",INT 2D/AL=12h"CDTSR",INT 2D/AL=13h"CDTSR"


Format of CDTSR internal variable structure:
Offset	Size	Description	(Table 02583)
 00h	BYTE	hotkey scan code (see #00006)
 01h	BYTE	hotkey shift states
 02h	BYTE	flag: repeat
 03h	BYTE	flag: custom repeat
 04h	BYTE	flag: background polling
 05h	DWORDDoubleword; four bytes.	 Commonly used to hold a 32-bit segment:offset or selector:offset address.	(read-only) internal timing variable
 09h	DWORDDoubleword; four bytes.	 Commonly used to hold a 32-bit segment:offset or selector:offset address.	current track play position, in frames
 0Dh	DWORDDoubleword; four bytes.	 Commonly used to hold a 32-bit segment:offset or selector:offset address.	current disk play position, in frames
 11h	BYTE	number of entries in track program
 12h	BYTE	index into track program currently playing (FFh if not playing)
 13h 100 BYTEs	track program (each byte contains one track number)
 77h	BYTE	saved cursor end scan line
 78h	BYTE	saved cursor start scan line
 79h	BYTE	currently playing track
 7Ah	BYTE	CD driver media-change flag
 7Bh	WORD	video base segment during last popup
 7Dh	WORD	video page offset during last popup
 7Fh	BYTE	currently-selected track
 80h	DWORDDoubleword; four bytes.	 Commonly used to hold a 32-bit segment:offset or selector:offset address.	begin of custom repeat, in frames
 84h	DWORDDoubleword; four bytes.	 Commonly used to hold a 32-bit segment:offset or selector:offset address.	end of custom repeat, in frames
 88h	WORD	track program index of top list item