en:docs:dos:api:int21:2e

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

2018/09/07 07:04 · prokushev

Int 21H, AH=2EH

Version

1 and higher

Brief

SET VERIFY FLAG

Family API

Input

      AH = 2Eh
      DL = 00h (DOS 1.x/2.x only)
      AL = new state of verify flag
          00h off
          01h on

Return

none

Notes

default state at system boot is OFF
      when ON, all disk writes are verified provided the device driver
        supports read-after-write verification

See also

AH=54h

Note


en/docs/dos/api/int21/2e.txt · Last modified: 2020/12/09 04:42 by prokushev