[A83] Re: halt + nop


[Prev][Next][Index][Thread]

[A83] Re: halt + nop




It will delay for at least .005 seconds.


>From: "The one and only SUCKER!! ..." <sucker_pvn@hotmail.com>
>Reply-To: assembly-83@lists.ticalc.org
>To: assembly-83@lists.ticalc.org
>Subject: [A83] Re: halt + nop
>Date: Sun, 01 Jul 2001 18:32:34 -0000
>
>
>So if I place halt in the middle of my prgm, it would
>do nothing because the interrupt 1 is running, right?
>
>
> >well:
> >
> >nop (00h) does nothing at all, it's a No Operation... wastes 4 cycles
> >halt (76h) waits until next interrupt... if intrpts are disabled (di) 
>then
> >CRASH !
>
>
>
>
>_________________________________________________________________________
>Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com.
>
>
>

_________________________________________________________________
Get your FREE download of MSN Explorer at http://explorer.msn.com