Function 08h	 Read Character Attribute - of character at current cursor pos.
entry   AH      08h 
	BH      display page number - text mode 
return  AH      character attribute - text mode 
	AL      ASCII code of character at current cursor position 
 
Sample Code
\Asm\Lib\BIOS.INC -@BIOSVidChrAtrGet	  MACRO page
\Asm\Lib\BIOS.INC -@BIOSVidCls          MACRO