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Assembly Source File  |  1988-08-11  |  1.2 KB  |  24 lines
  1.         ;************************************************************;
  2.         ;                                                            ;
  3.         ;    Function 5FH Subfunction 04H:                           ;
  4.         ;                  Cancel Assign-List Entry                  ;
  5.         ;                                                            ;
  6.         ;    int cancel_alist_entry(psrcname)                        ;
  7.         ;        char *psrcname;                                     ;
  8.         ;                                                            ;
  9.         ;    Returns 0 if assignment is canceled, otherwise returns  ;
  10.         ;    error code.                                             ;
  11.         ;                                                            ;
  12.         ;************************************************************;
  13.  
  14. cProc   cancel_alist_entry,PUBLIC,<ds,si>
  15. parmDP  psrcname
  16. cBegin
  17.         loadDP  ds,si,psrcname  ; DS:SI = pointer to source name.
  18.         mov     ax,5f04h        ; Set function code.
  19.         int     21h             ; Cancel assign-list entry.
  20.         jb      ca_err          ; Exit on error.
  21.         xor     ax,ax           ; Else return 0.
  22. ca_err:
  23. cEnd
  24.