>  counter = tmr1l; /* get the low byte, saves high byte snapshot in TMR1H */
>  counter = counter | (tmr1l << 8); /* get high byte and assemble in 16 bit
word */

Olin,

Good thing you put comments in there - you have some bugs.

counter = TMR1L; // Note cap sensitivity
counter |= (TMR1H << 8) // Note correct register name, caps

>however, the left shift probably compiles to some rather unpleasant code
>unless the compiler is clever enough to detect shifts of a constant multiple
>of 8 and do the appropriate byte shuffling.

It is smart about this.

Andy

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