Category: debuggers/debugging tools
Flags: callout or callback (usually hooked rather than called), available only in protected mode, Undocumented function
INT 41 - MS Windows debugging kernel - "OutputDebugString" AX = 0012h DS:SI -> string (Windows 3.0) ES:SI -> string (Windows 3.1) Return: nothing??? Note: this function is called by the kernel when it wants to output a string through the debugger SeeAlso: AX=0050h,INT 68/AH=47h