en:docs:dos:api:int21:24

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

2018/09/07 07:04 · prokushev

Int 21H, AH=24H

Version

1 and higher

Brief

SET RANDOM RECORD NUMBER FOR FCB

Family API

Input

      AH = 24h
      DS:DX -> opened FCB (see #01345)

Return

none

Notes

computes the random record number corresponding to the current record

        number and record size, then stores the result in the FCB
      normally used when switching from sequential to random access
      not supported by MS Windows 3.0 DOSX.EXE DOS extender
       

See also

AH=21h,AH=27h,AH=42h

Note


en/docs/dos/api/int21/24.txt · Last modified: 2020/12/09 02:51 by prokushev