Re: A83: thanx..more int info


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

Re: A83: thanx..more int info





On Thu, 13 Nov 1997 GeradS711@aol.com wrote:

> shadow registers, are the save data like normal data, but you can't do
> anything with them except exx and ex a, a' . They are often used like
> push/pops except they are smalle? faster? 
> 
So, you're saying that, say i'm in a prog that uses hl, bc, and de.  
Then, I need to call a subroutine, and that subroutine needs to use hl, 
bc, and de, also, but the old values need to be saved.  So, I would use 
exx @ the beginning of the subroutine, and exx @ the end?

		-Dimitri


References: