Re: A86: Interrupt questions


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Re: A86: Interrupt questions




Couldn't he have just disabled the interrupt?  Or did he need to use an interrupt in
Penguins?

Kirk Meyer wrote:

> also, you can control whether or not the calc's interrupt routine is
> called. i think penguins uses this tactic because if you hold down LEFT
> & DOWN it doesn't freeze the calc.
>
> > This is called just like the normal one.. About 200 time a second.  The only
> > advantage I know of now is that it happens before the real interrupt(which
> > includes user routines) and that you can use the user interrupt routine along
> > with this.  So if you run a program that uses the user interrupt, it will have no
> > affect on it. Another thing is that you don't have to push and pop registers..
> > Other than that, it's just another way of doing things.
>
> --
>
> =====================================
> =                                   =
> =   Kirk Meyer (mailto:_@ibm.net)   =
> = http://www.bigfoot.com/~kirkmeyer =
> =                                   =
> =   "Set your affection on things   =
> =    above, not on things on the    =
> =      earth."  Colossians 3:2      =
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