en:docs:dos:api:int21:37:01

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

2018/09/07 07:04 · prokushev

Int 21H, AH=37H, AL=01H

Version

2 and higher

Brief

SET SWITCH CHARACTER

Family API

Input

      AX = 3701h
      DL = new switch character

Return

AL = status

          00h successful
          FFh unsupported subfunction

Macro

Notes

documented in some OEM versions of some releases of DOS; DOS 2.x had

        a SWITCHAR=c setting in CONFIG.SYS
      supported by OS/2 compatibility box and Novell DOS 7
      ignored by MS-DOS 5+ and DR DOS 3.41-6.0; DR DOS 6.0 and Novell DOS 7
        leave AX unchanged

See also

AX=3700h

Note


en/docs/dos/api/int21/37/01.txt · Last modified: 2020/12/14 10:59 by prokushev