On Sat, 4 Jul 2009, Isaac Marino Bavaresco wrote:

> Terry Harris escreveu:
> > On Fri, 03 Jul 2009 20:14:13 -0300, you wrote:
> >
> >   
> >> OK, explain this under this theory:
> >>
> >> Look how they do 'Var = 0;' :
> >>
> >> bcf    STATUS,C
> >> *movlw*   0
> >> btfsc   STATUS,C
> >> *movlw*   1
> >> movwf   Var
> >>     
> >
> > Evaluate the right hand expression and put the result in something just big
> > enough (in this case the carry flag). Copy the result to the lvalue.
> >   
> 
> Makes absolutely no sense. It is testing something itself set hard
> coded. And there are two movlw, the expression doesn't have any
> conditionals.

I'll bet Terry is right.

I'll also bet there is a ton of code being executed (inside the compiler) 
between the first instruction being generated and the last 4. Just because 
you see this 5 instruction sequence together doesn't mean it was all 
generated in the same place inside the compiler :-)

Regards
Sergio Masci

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