Assembly Language Help (alang.hlp) (Table of Contents; Topic list)
Important Notice
The pages on this site contain documentation for very old MS-DOS software, purely for historical purposes. If you're looking for up-to-date documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.
Int 13h Function 0Ah
 Detail                                    Up Contents Index Back
────────────────────────────────────────────────────────────────────────────
 
  Interrupt:   13h     Function:   0Ah
 
  Title:       Read Sector Long
 
  Description:                                          [PC] [AT] [PS/2]
 
     Reads a sector or sectors from disk into memory, along with a
     4-byte ECC code for each sector.
 
     Input                                Output
 
     AH = 0Ah                             If function successful
     AL = Number of sectors                 Carry flag: clear
     CH = Cylinder                          AH = 00h
     CL = Sector                            AL = Number of sectors
     DH = Head                                   transferred
     DL = Drive
        = 80h-FFh fixed disk              If function unsuccessful
     ES:BX = segment:offset of buffer       Carry flag: set
                                            AH = Status
                                                 See: Int 13h Function 01h
                                    -♦-