Format of DPMS default register structure:
Offset	Size	Description	)
 00h	DWORD	EIP
 04h	WORD	CS
 06h  2 BYTEs	reserved (0)
 08h	WORD	number of words to copy from stack to stack
 0Ah	BYTE	(call) 00h
		(ret) nonzero if call could not be made
 0Bh	BYTE	reserved (may be used by some servers)
 0Ch	DWORD	ESP
 10h	WORD	SS
 12h  2 BYTEs	reserved (0)
 14h	WORD	ES
 16h  2 BYTEs	reserved (0)
 18h	WORD	DS
 1Ah  2 BYTEs	reserved (0)
 1Ch	WORD	FS
 1Eh  2 BYTEs	reserved (0)
 20h	WORD	GS
 22h  2 BYTEs	reserved (0)
 24h  9 BYTEs	API entry code (filled in by server)