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SubjectRe: IRQ vector assignment for system call exception
yes, definetely a historical reason. System libraries need to know
this vector to invoke system call.

-Gaurav


On 12/8/05, yen <yen@eos.cs.nthu.edu.tw> wrote:
> Hi:
> I have a quwstion. Why the number 128 is reserver for system call exception in
> interrupt vectors? Why not other numbers? Are there any historical reasons?
> thanks.
>
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- Gaurav
my blog: http://lkdp.blogspot.com/
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