en:docs:dos:api:int21:44:01

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

2018/09/07 07:04 · prokushev

Int 21H, AH=44H, AL=01H

Version

2 and higher

Brief

SET DEVICE INFORMATION

Family API

Input

AX = 4401h
BX = handle (must refer to character device)
DX = device information word (see #01423)
    (DH must be zero for DOS version prior to 6.x)

Return

CF clear if successful

CF set on error
    AX = error code (01h,05h,06h,0Dh) (see #01680 at AH=59h/BX=0000h)

Macro

Notes

this function was not supported by Digital Research's DOS Plus

See also

AX=4400h,INT 2F/AX=122Bh

Note


en/docs/dos/api/int21/44/01.txt · Last modified: 2021/05/01 09:32 by prokushev