{{page>en:templates:dosint}} ====== Int 21H, AH=33H, AL=01H ====== ===== Version ===== 2 and higher ===== Brief ===== set state of extended Ctrl-C/Ctrl-Break checking ===== Family API ===== ===== Input ===== AH = 33h AL = 01h DL = new state 00h off, check only on character I/O functions 01h on, check on all DOS functions ===== Return ===== (Novell DOS 7) DL = old state of extended Break checks ===== 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=[[en:docs:dos:api:int21:33:02|3302h]] ===== Note ===== Text based on [[http://www.cs.cmu.edu/~ralf/files.html|Ralf Brown Interrupt List Release 61]] {{page>en:templates:int}} {{page>en:templates:fapi}}