Int 21H, AH=14H

1 and higher

SEQUENTIAL READ FROM FCB FILE

DosRead

      AH = 14h
      DS:DX -> opened FCB (see #01345)

Return: AL = status

          00h successful
          01h end of file (no data)
          02h segment wrap in DTA
          03h end of file, partial record read
      Disk Tranfer Area filled with record read from file

reads a record of the size specified in the FCB beginning at the
        current file position, then updates the current block and current
        record fields in the FCB
      if a partial record was read, it is zero-padded to the full size
      not supported by MS Windows 3.0 DOSX.EXE DOS extender
      

AH=0Fh,AH=15h,AH=1Ah,AH=3Fh“DOS”,INT 2F/AX=1108h

Text based on Ralf Brown Interrupt List Release 61