Re: A86: Re: im 0


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Re: A86: Re: im 0




You get whatever random byte happened to be on the data bus...probably the last opcode or something.  It's not generally a good idea :-)


In a message dated Tue, 1 Feb 2000 10:25:43 AM Eastern Standard Time, "" <cavanc@hotmail.com> writes:

> 
> So, does the ROM give it to the z80?
> 
> 
> 
> >YOU don't put it anywhere!  The hardware device that triggered the 
> >interrupt
> >puts it on the data bus.  But since 1) the calc doesn't have any hardware
> >devices like that and 2) the first page is in ROM, it doesn't do much good.
> >Ah, making up your own RST instructions is so nice...
> >
> > > In im 0, where do you put the rst instruction?
> >
> >
> >
> 
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