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Doubt regarding crt0.s file

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abhils44

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Hi

I am new to PIC controller development, I want to know what crt0.s file does.
If I include crt0.s and main.c in my project, how will compiler know which file to execute first.

Because in one of my workspace for PIC24, the execution is first going to crt0.s, but in another workspace for PIC18, the execution is going to main directly.

So just wanted to know the difference in execution sequences.
 
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