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How to access local variable in C51 inline-assembly

CY

For efficiency,i have to use inline assembly in my code, but I failed to access local variables
My code is something like this:

void func(void)
{
       unsigned int i;
       i=0;

        #pragma asm
        MOV A,i
        #pragma endasm

}

but i get a error : error A45: UNDEFINED SYMBOL (PASS-2)

So i there and way to solve this problem

Parents
  • 0 in reply to doubt that my ISP Al Bradford

    "This seems to be the case because the OP says he MUST use in-line assembly. He appears not to know the best way is to let the compiler generate SRC code and then edit if necessary"

    Indeed.

    It takes a highly skilled & experienced assembler programmer to beat a modern optimising compiler. It does seem rather unlikely that such a programmer would be asking basic questions like this...

Reply
  • 0 in reply to doubt that my ISP Al Bradford

    "This seems to be the case because the OP says he MUST use in-line assembly. He appears not to know the best way is to let the compiler generate SRC code and then edit if necessary"

    Indeed.

    It takes a highly skilled & experienced assembler programmer to beat a modern optimising compiler. It does seem rather unlikely that such a programmer would be asking basic questions like this...

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