Re: Lua with Paged / Banked memory architecture

[askok@...]

Did I understand this right: you'd only have the Lua 
_scripts_ (precompiled bytecode) in the banked memory? 
 How much of scripts do you have?

That would mean no banking is used for the GC'able 
objects. Makes no sense to me..

-asko


On Fri, 27 Mar 2009 17:35:48 +0000
 Alexander Goldstone <alex@zander.net> wrote:
> Ralph Hempel wrote:
> > Is the banking in ROM or RAM? And 16k? That's an awfully 
> > small window.
> >
> > Can you share a few more details?
> >
> > Ralph
>
> The banking is in external RAM.
>
> We have sufficient code space as the microcontroller is 
> capable of
> addressing 16MB of it - (Harvard architecture so 
> separate address and
> data buses).
>
> It's main limitation is on data space, since it can only 
> address 64KB of
> ram for which 32KB is on chip for application variable 
> storage, 16KB is
> used for constant data access and the remaining 16KB 
> would be for page
> access to the external 1MB of data ram that would only 
> be used to hold
> the Lua scripts.
>
> Thanks,
>
> Alex