What's on my site is what was extracted from the pjal docs specifically
chapter 21 in this case.

Sunish

On Sun, Jul 19, 2009 at 12:39 PM, Rob Hamerling <[email protected]>wrote:

>
>
> Hi Joep,
>
> Joep Suijs wrote:
> >
> > While digging into pragma's I read:
> >
> > PRAGMA TARGET CLOCK cexpr Set the clock speed to cexpr. This is not
> > used internally
> > by the compiler.
> > This is analogous to: CONST target_clock = cexpr.
> > PRAGMA TARGET CLOCK can overwrite the CONST TARGET_CLOCK definition.
> >
> > I assumed that target_clock was used to calculate the proper delay.
> > Wrong assumption or bug in the documentation?
>
>  From Sunish site? (not the primary source of documentation, I'd say).
>
> > And... we already have constant overwrite ;)
>
> I think 'overwrite' should really be 'override' (supersede).
>
> Kyles file JalPragm.txt (coming with the compiler) has the following text:
>
> > PRAGMA TARGET CLOCK speed
> >
> >   Analogous to: const target_clock = speed
> >
> >   speed is in Hz. The compiler only needs this if the _usec_delay
> >   statement is used.
>
> So the compiler needs this constant *only* for _usec_delay calculations.
>
> Regards, Rob.
>
>
> --
> Rob Hamerling, Vianen, NL (http://www.robh.nl/)
>
> >
>

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