en:docs:dos:api:int21:33:00

Note: This API call is for DOS and Win16 personality only. Use Family API for portability.

2018/09/07 05:04 · prokushev · 0 Comments

Int 21H, AH=33H, AL=00H

Version

2 and higher

Brief

Get current extended break state

Family API

Input

      AH = 33h
      AL = 00h 

Return

DL = current state, 00h = off, 01h = on

Macro

Notes

under DOS 3.1+ and DR DOS, this function does not use any of the DOS-internal stacks and may thus be called at any time

See also

AX=3302h

Note

2018/09/04 17:23 · prokushev · 0 Comments