[cc65] 65C02 indirect zeropage questions

How do you use indirect zeropage addressing in ca65
(with --cpu 65C02)?  I want to do:

LDA ($20) and STA ($20) but it says illegal addressing
mode.

Another question:

Can you define and use a variable that was declared
zeropage, and exported with exportzp in a C program? 
The compiler seems to complain about address size
mismatches.

Do you do this in C:
extern unsigned char zpvar;

and can this work with a struct declaration like this:
extern struct MYSTRUCT zpvar;

--
Thanks,
Shawn Jefferson



	
		
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