Remap a key

[Will Senn]

    I've been digging into the
      lack of a proper break key on laptops (my MacBook for example) and
      I was wondering if it would be possible to remap one of the
      existing keys on the laptop to the CTRL-BREAK key, which sends the
      scancode E0 46? I'd be fine with having CTRL-ALT-] map to it or
      pretty much anything not typically typed in DOS. But doing
      assembly programming in DOS without a break key is frustrating to
      no end. Pointers to qemu keymapping documentation would be helpful
      or any sort of 'here's a keymapping example' tip.
      
      Thanks,
      
      Will
    
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