Set aspect ration of the screen.
Source position: graphh.inc line 801
procedure SetAspectRatio(  | 
Xasp: Word;  | 
Yasp: Word  | 
);  | 
Sets the aspect ratio of the current screen to Xasp/Yasp.
None
  | 
Initialize graphical system.  | 
|
  | 
Return screen resolution.  |