en:docs:dos:api:int21:15

Note: This API call is for DOS personality only. Use Family API for portability.

2018/09/07 07:04 · prokushev

Int 21H, AH=15H

Version

1 and higher

Brief

SEQUENTIAL WRITE TO FCB FILE

Family API

Input

      AH = 15h
      DS:DX -> opened FCB (see #01345)
      Disk Tranfer Area contains record to be written

Return

AL = status

          00h successful
          01h disk full
          02h segment wrap in DTA

Notes

writes 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 less than a full sector is written, the data is placed in a DOS
        buffer to be written out at a later time
      not supported by MS Windows 3.0 DOSX.EXE DOS extender
      

See also

AH=0Fh,AH=14h,AH=1Ah,AH=40h,INT 2F/AX=1109h

Note


en/docs/dos/api/int21/15.txt · Last modified: 2020/12/08 09:07 by prokushev