Int 10 Fn 09  - Video - Write Character And Attribute At Cursor Position   [V]

   AH = 09h
   AL = character to display
   BH = page number (00h to number of pages - 1) (see #0009)
       background color in 256-color graphics modes (ET4000)
   BL = attribute (text mode) or color (graphics mode)
       if bit 7 set in <256-color graphics mode, character is XOR'ed
         onto screen
   CX = number of times to write character

Return: nothing

Notes: all characters are displayed, including CR, LF, and BS
   replication count in CX may produce an unpredictable result in graphics
     modes if it is greater than the number of positions remaining in the
     current row

See Also: AH=08h,AH=0Ah,AH=4Bh"GRAFIX",INT 17/AH=60h,INT 1F"SYSTEM DATA"

See Also: INT 43"VIDEO DATA",INT 44"VIDEO DATA"