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Narue · Oct 23rd, 2007, 7:59 PM

>Is int 21h still used?
Yes.

>If there is an alternative, what is it?
Any existing library that does what you want. Interrupts are generally considered obsolete because we're not using DOS anymore (though they're still used often on Linux). If you want to hook the OS in Windows, you would probably want to use the Win32 API. Both MASM and FASM make that trivial to import Win32 DLLs.

Oct 23rd, 2007, 7:59 PM	#2
Narue Professional Programmer Join Date: Sep 2005 Posts: 419 Rep Power: 4	Re: Questions about interrupts >Is int 21h still used? Yes. >If there is an alternative, what is it? Any existing library that does what you want. Interrupts are generally considered obsolete because we're not using DOS anymore (though they're still used often on Linux). If you want to hook the OS in Windows, you would probably want to use the Win32 API. Both MASM and FASM make that trivial to import Win32 DLLs. __________________ Even if the voices aren't real, they have some pretty good ideas.