Re: IRQ vector assignment for system call exception

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2005/12/8, yen <[email protected]>:
> 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.
>

0x80 stands in the middle of [0..0xff].
--
Coywolf Qi Hunt
http://sosdg.org/~coywolf/
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