Passing an array as a macro argument?

Hi all, more macro questions for those who have (and are willing to exercise) the knowledge in the macro/asm department.

I want to be able to pass an array as an argument to a macro - in other words I want to pass the address of said macro.

Code:

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@ MyMacro MyArray MyIndex


@MyMacro macro array index
  ?

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What code would I need to copy MyArray[MyIndex] into a local variable?

When you call a macro like above, what gets passed to the macro itself, the address of MyArray, the first element of MyArray, or what?