Re: A89: recursion question


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Re: A89: recursion question




>Furthermore, PC-relative addressing will only work if the value is in
>the
>code.  You can't use it to access LCD_MEM or something like that which
>is
>at an absolute address outside the program, and you can't use it for 
>BSS
>sections.  In that cases, it's a good idea to load a pointer to the 
>BSS
>section into an address register, and use address register addressing
>with
>displacement (e.g. 16(a0)) to access everything there, which is just 
>as
>fast.

What's a BSS section?

Justin Bosch
justin-b@juno.com

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