INT 21 - Phar Lap 386/DOS-Ext VMM v3.0 - WRITE RECORD TO VMM PAGE LOG FILE

	AX = 252Fh
	DS:EBX -> data to be written
	CX = size of data in bytes
Return: CF clear if successful
	CF set on error
	    EAX = error code (85h no page log file or not 386/VMM)