Command: sound
  
Platform: 
  DOS32
  
Syntax: 
  include graphics.e
  sound(i)
  
Description: 
  Turn on the PC speaker at frequency i. If i is 0 the speaker 
  will be turned off.
  
Comments: 
  On WIN32 no sound will be made.
  
Example: 
     sound(1000) -- starts a fairly high pitched sound

