| 
 |  | 
                                 Jump if Sign                                 
  
    | 
       86/88  | 
    
       Y  | 
    
       186  | 
    
       Y  | 
    
       286  | 
    
       Y  | 
    
       386  | 
    
       Y  | 
    
       486  | 
    
       Y  | 
    
       JS short_label  | 
   
  
    | 
       Ovfl  | 
    
       N  | 
    
       Dir  | 
    
       N  | 
    
       Int  | 
    
       N  | 
    
       Trap  | 
    
       N  | 
    
       Sign  | 
    
       N  | 
    
       Zero  | 
    
       N  | 
    
       Aux  | 
    
       N  | 
    
       Prty  | 
    
       N  | 
    
       Carry  | 
    
       N  | 
   
     JS transfers control to short-label if the Sign Flag is set. The
    target of the jump must be within -128 to +127 bytes of the next
    instruction.
       Note:          Use JNS, Jump if No Sign, to jump if the sign flag
                      is clear.
------------------------------------ Timing ----------------------------------
OpCode          Instruction             	386     286     86
78 cb           JS rel8                         7+m,3   7,3     16,4
0F 88 cw/cd     JS rel16/32                     7+m,3
------------------------------------ Logic -----------------------------------
        Jump if (SF = 1)
See Also JNS |