| 
 |  | 
                         APPEND - Get Function State                          
  
    | 
       Input  | 
    DOS1 | 
    N | 
    DOS3 | 
    N | 
    
       DOS4  | 
    Y | 
    DOS5 | 
    Y | 
    
       Output  | 
   
  
    | 
       AX  | 
    B7h | 
    06h | 
     Error
      Code | 
    AX | 
   
  
    | 
       BX  | 
      | 
      | 
    State
      Map | 
    BX | 
   
  
    | 
       CX  | 
      | 
      | 
      | 
      | 
    CX | 
   
  
    | 
       DX  | 
      | 
      | 
      | 
      | 
    DX | 
   
  
    | 
       ES:DI  | 
      | 
    Set
      if Error | 
    CF | 
   
 
  
  
  
    
      | State
        Map | 
     
    
      | Bit | 
      Dec | 
      Hex | 
       Description | 
     
    
      | 0 | 
      1 | 
      0001h | 
       APPEND Enabled | 
     
    
      | 1 | 
      2 | 
      0002h | 
       Not Used | 
     
    
      | 2 | 
      4 | 
      0004h | 
     
    
      | 3 | 
      8 | 
      0008h | 
     
    
      | 4 | 
      16 | 
      0010h | 
     
    
      | 5 | 
      32 | 
      0020h | 
     
    
      | 6 | 
      64 | 
      0040h | 
     
    
      | 7 | 
      128 | 
      0080h | 
     
    
      | 8 | 
      256 | 
      0100h | 
     
    
      | 9 | 
      512 | 
      0200h | 
     
    
      | 10 | 
      1024 | 
      0400h | 
     
    
      | 11 | 
      2048 | 
      0800h | 
     
    
      | 12 | 
      4096 | 
      1000h | 
     
    
      | 13 | 
      8192 | 
      2000h | 
       /PATH active | 
     
    
      | 14 | 
      16384 | 
      4000h | 
       /E switch active | 
     
    
      | 15 | 
      32768 | 
      8000h | 
       /X switch active | 
     
   
  
 
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