On Sat, 2 Oct 2004, Herbert Graf wrote:

> > Code generated by
> > the Hi-Tech compilers jumps back to the beginning after the closing
> > brace of main().
>
> Are you absolutely certain of that?

Yes.

> Does HiTech put a "goto" at the end brace?

Yes.  Here is the assembly listing of the OP's code:

    25  03FA  1683                  bsf 3,5
    26  03FB  0186                  clrf    6   ;volatile
    27                           ;t.c: 13: PORTB = 0xFF;
    28  03FC  30FF                  movlw   -1
    29  03FD  1283                  bcf 3,5
    30  03FE  0086                  movwf   6   ;volatile
    31                           ;t.c: 14: }
    32  03FF  2804                  ljmp    start

"start" being the C startup code which I haven't included here.

> I would be very surprised and disturbed if they did.

Why?  The standard specifically states that this behavior is
implementation-defined.  I don't see how having random code executed
would be preferrable.

> Remember, that if execution DOES go into "never never" land, and all of
> that place is uninitialized

The latter condition is certainly not likely to be true when
discussing what follows the closing brace of main(), except in the
most trivial of programs.

--
John W. Temples, III
_______________________________________________
http://www.piclist.com
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist