reduce repeating codes

Pommie said:

The preprocessor runs before the compiler and will effectively insert the code so that it is the same as your current code. The above is just a shortcut to save typing.

Mike.

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I read the same. I will restructure my code may be I take some other approach. Thanks for helping me out.

I'm not up to speed on the AVRs but I suggest you define a SaveRAM section in the link file and place all your variables (that need saving) in that section. You can then save/restore with a simple for loop.

Mike.