Assembly Language Help (alang.hlp) (Table of Contents; Topic list)
Int 10h Function 09h
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  Interrupt:   10h     Function:   09h
 
  Title:       Write Character and Attribute at Cursor
 
  See also:    Color and Attributes, Write Character at Cursor,
               Read Character and Attribute at Cursor, @PutCharAtr,
               Font Interrupts
 
  Description:                     [MDA] [CGA] [PCjr] [EGA] [MCGA] [VGA]
 
     Writes an ASCII character and its attribute to the display at the
     current cursor position.
 
     Input                                    Output
 
     AH = 09h                                 None
     AL = Character
     BH = Page
     BL = Attribute (text modes) or color
          (graphics modes)
     CX = Count of characters to write
          (replication factor)
                                    -♦-