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NOP Vs _nop_()?

In one of my project I am talking with MX909 Driver IC with C51 ucontroller. To initialize MX909 if I write module in Assembly language it's working fine. Once I replaced with C same module it's not working.

The only difference I can make for both assembly and C languages is NOP and _nop_() instruction. Is both instructions will take same number of machine cycles?

Thanks,
Suresh Kumar Kavula

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  • It's equivalent to saying something like, "a quadruped is the same as a cat"

    If you put that back into the original context, however, it implies that a cat cannot under any circumstances be a quadruped.

    ...by saying "nothing could be further from the truth"

    But that, too, is a common rhetorical device...

    What place does a 'common rhetorical device' have on an international discussion forum? The focus here should be on clear and concise communication.

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  • It's equivalent to saying something like, "a quadruped is the same as a cat"

    If you put that back into the original context, however, it implies that a cat cannot under any circumstances be a quadruped.

    ...by saying "nothing could be further from the truth"

    But that, too, is a common rhetorical device...

    What place does a 'common rhetorical device' have on an international discussion forum? The focus here should be on clear and concise communication.

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