INT 16H 10H: Read Extended Keyboard Input

                                                                        [AT]
 Expects: AH    10H
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 Returns: AH    scan code
          AL    ASCII character code or extended ASCII keystroke
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    Info: This is identical to INT 16H 00H, except that it does not perform
          "extended key filtering" to map 101-key 'board keystrokes to
          84-key 'board equivalents.

          For instance, you might use this function if you want to
          differentiate between the [Insert] key and the [Ins] key on the
          numeric keypad.

See Also: INT 16H (BIOS keyboard services)
          BIOS Data Area
          ROM-BIOS Functions
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