en:docs:dos:api:int24

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

2018/09/07 07:04 · prokushev

Int 24H

Version

1 and higher

Brief

CRITICAL ERROR HANDLER

Family API

Input

none

Return

none

Macro

Notes

   invoked when a critical (usually hardware) error is encountered by DOS
  (see #02543); should never be called directly
when DOS terminates a program, it copies the previous value of the
  INT 24 vector out of the PSP (see #01378) and into the interrupt
  vector table

See Also

INT 21/AH=95h,INT 21/AH=59h/BX=0000h,INT 21/AH=92h"PTS-DOS"

Note


en/docs/dos/api/int24.txt · Last modified: 2021/08/06 09:22 by prokushev