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NOP Vs _nop_()?

Suresh Kumar Kavula

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

Parents
  • 0 in reply to Andy Neil

    Seemed fine to me originally

    thanks, Andy

    while there can be some that do not like my choice of words, I stand by the statement.

    See my response to Mr. smoked sardine where I have added a superflous word to satify him .... naah that would not be possible, but maybe someone else will understand better.

    Erik

Reply
  • 0 in reply to Andy Neil

    Seemed fine to me originally

    thanks, Andy

    while there can be some that do not like my choice of words, I stand by the statement.

    See my response to Mr. smoked sardine where I have added a superflous word to satify him .... naah that would not be possible, but maybe someone else will understand better.

    Erik

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