Function 13h    Enhanced String Write                        (AT,XT/286,PS/2) 
entry   AH      13h 
	AL      00h     Write String, Don't Move Cursor  
		01h     Write String, Move Cursor 
		02h     Write String of Alternating Characters and Attributes; 
			Don't Move Cursor 
			bit 0: set in order to move cursor after write 
			bit 1: set if string contains alternating chars and 
			       attributes 
		03h     Write String of Alternating Characters and Attributes; 
			Move Cursor 
			bit 0: set in order to move cursor after write 
			bit 1: set if string contains alternating characters 
			       and attributes 
	BH      display page number 
	BL      attribute if AL bit 1 clear 
	CX      length of string 
	DH      row of starting cursor position 
	DL      column of starting cursor position 
	ES:BP   pointer to start of string 
return  none 
Function 13h    Enhanced String Write                        (AT, XT/286, PS/2)
note    1) Recognizes CR, LF, BS, and bell 
 	2) This function is not available on the origianl IBM PC or PC XT 
	   unless an EGA video adapter (which contains its own ROM BIOS) is 
	   installed.
	3) This function can be thought of as an extension to Int10f0E.
Sample Code:
        
\Asm\Lib\BIOS.INC -@BIOSVidStrOut MACRO Row,Col,StrOff,StrSeg,Len,MovCur,Page,Atrib

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