Int 10 Fn 46  - Video - Hercules Grafix - "plot" - Draw One Pixel          [V]

   AH = 46h
   DI = x (0-719)
   BP = y (0-347)

Return: nothing

Notes: function 44h determines operation and function 43h which page to use
   if the indicated coordinate is valid, this function does nothing

See Also: AH=0Ch,AH=47h,AH=49h,AH=4Ch,AH=4Dh