Int 16 Fn AA  - Ptxxx.com - (xxx=cga,ega,vga,her...) Call Gate For Graphi  [V]

   AH = AAh
   Various registers set up by high level language.

Return: Graphics performed

Note:  PT stands for Paint Tools which is a graphics library for Turbo Pascal,
     Modula 2 and others from DataBiten in Sweden. The library is
     installed as a memory resident driver.