[cc65] Undersores required for all asm calls?

Do I need to always name my asm symbols with a leading 
underscore in order to use them from C?

 

I export the name of an assembly function, named "zpsave", 
which I call from my C code.  (Well, I TRIED to call it...)  
"Unresolved External" _zpsave.  I ended up renaming the label 
to '_zpswap', and that worked.

 

It took a couple hours to chase down, but what I learned is 
that cc65 adds an underscore to the beginning of _every_ C 
symbol that appears in the generated asm code.  This makes 
sense since there is nothing in the code that would inform the 
compiler of what language the external function would be written 
in.  Makes sense now, but it is counter to what I would want.

 

Is there some trick to keep from having to add all the unders 
to public symbols?

Thanks,
// Steve


 
 		 	   		  
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