Int 21/AH=2Eh/DL=00h

DOS 1+ - SET VERIFY FLAG

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

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

Category: DOS Kernel - Int 21h - D

Interrups Categories Contents