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Non-existent G/M-codes


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When user specifies a non-existent G/M-codes, i.e. the jump label is not defined in the G/M subprogram, PMAC will execute the command from the top of G/M subprogram.

I can catch the error at the top, but how can I know which code does the user specified, i.e. the jump label?

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I am not aware of a "built in" way to read this. PMAC might store the line number as an L Variable inside the calling function, which in turn means it would be accessible as the same-index R Variable inside the called function. However, if that is not the case, it may not be possible without modifying the calling function, which likely isn't a viable solution.

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