Re: LZ: AF', BC', DE', HL' and exx


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Re: LZ: AF', BC', DE', HL' and exx



.org 0


D Melton wrote:
> 
> What are AF', BC'... and why would I want to use them?


they are shadow registers, and you use them like normal 16-bit regs,
except 
one thing; with each interupt, the contents are destroyed, so while your
using
them, you have to disable interupts. But then you can't use interupt
driven 
sound/grayscale.




> 
> Also, when would you use the exx command?
> 
> Thanks,
> 
> Doug Melton
> --check out
>   http://www.smartlink.net/~dx4/calculat20.html
>   for my latest software (and other good stuff)


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