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Posted By

Harry Potter
on 2024-02-20
19:42:49
 Re: cc65/c16: problem w/ Cubbyhole technique

I believe I know what the bug in the 128k Plus4 version of AdvSkel65 is: I'm calling the verb functions the wrong way. I have the pointer to the function declared as:

void (* vfunc) (void);


and the code that reads the address and delegates the call as:

-------------------
#if defined __USEFARMEM__ && !defined __C128__
vfunc=hidereadw((void*)&Verb[Vrb].vdo);
(*vfunc) ();
#else
(*Verb[Vrb].vdo) ();
#endif
-------------------

__USEFARMEM__ is declared on the compile command line, and hidereadw() reads the word at the given address in Hannes memory. When I add test code, the verb #, name and address are all correct, but, if I use verb other than the first in its database, I get either the wrong messages or a system crash. BTW, all the verb functions are declared as void vVerb (void);.



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