Important Notice

The pages on this site contain documentation for very old MS-DOS software, purely for historical purposes. If you're looking for up-to-date documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.

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  Include:  <bios.h>
 
  Syntax:   unsigned _bios_keybrd( unsigned service );
            service: _KEYBRD_READ, _KEYBRD_READY, _KEYBRD_SHIFTSTATUS,
                     _NKEYBRD_READ, _NKEYBRD_READY, _NKEYBRD_SHIFTSTATUS
 
  Returns:  the AX register value.
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