INT 68 - APPC/PC - TRACE DESTINATION                     
  
    | 
       Input  | 
    
       Output  | 
   
  
    | 
       AX 
     | 
    FEh | 
    Destination | 
      | 
      | 
    AX | 
   
  
    | 
       BX 
     | 
      | 
      | 
      | 
      | 
    BX | 
   
  
    | 
       CX 
     | 
      | 
      | 
      | 
      | 
    CX | 
   
  
    | 
       DX 
     | 
      | 
      | 
      | 
      | 
    DX | 
   
  
    | ES:DI | 
      | 
      | 
    CF | 
   
 
  
  
  
    
      | Destination | 
     
    
      | Bit | 
      Dec | 
      Hex | 
       Description | 
     
    
      | 0 | 
      1 | 
      01h | 
       Storage (DS:DX ->
        trace stats record) | 
     
    
      | 1 | 
      2 | 
      02h | 
       Display | 
     
    
      | 2 | 
      4 | 
      04h | 
       File (trace written to
        file OUTPUT.PC) | 
     
    
      | 3 | 
      8 | 
      08h | 
       Printer | 
     
    
      | 4 | 
      16 | 
      10h | 
       Reserved | 
     
    
      | 5 | 
      32 | 
      20h | 
       Reserved | 
     
    
      | 6 | 
      64 | 
      40h | 
       Reserved | 
     
    
      | 7 | 
      128 | 
      80h | 
       Reserved | 
     
   
  
 
Trace Statistics Record: 
               DWORD  pointer to storage trace buffer
               WORD   max number of 80-byte records in trace
               WORD   (high-order  byte  first!) current  record  number
                      (must init to 0)
               DWORD  (high-order byte first!) number of records written
                      (init to 0)
               DWORD  reserved
Note:   Do not move record while trace is active |