◄Map►                                       ◄Up► ◄Contents► ◄Index► ◄Back►
────────────────────────────────────────────────────────────────────────────
 
;* GetDTA - Gets address of current Disk Transfer Area.
;*
;* Shows:   DOS Function - 2Fh (Get DTA Address)
;*
;* Params:  Dta - Far pointer to receive transfer address
;*
;* Return:  None
 
GetDTA  PROC,
        Dta:FPBYTE
 
        mov     ah, 2Fh                 ; DOS Function 2Fh
        int     21h                     ; Get DTA Address in ES:BX
        mov     ax, es                  ; Save DTA segment
        mov     dx, bx                  ; Save DTA offset
        les     bx, Dta                 ; Now ES:BX points to variable
        mov     es:[bx], dx             ; Copy DTA address to
        mov     es:[bx+2], ax           ;       dta variable
        ret
 
GetDTA  ENDP
                                    -♦-