[Coco] 'head' and 'tail' for CoCo OS-9?

[Aaron Wolfe]

I am new to C on the coco, but was interested to find gcc6809 which
seems to have some coco specific support.
http://www.oddchange.com/gcc6809/

would this make it possible to port the gnu 'head' and 'tail' and
other simple file utilities?
-Aaron

On Sat, Jan 2, 2010 at 11:15 PM, Gene Heskett <gene.heskett at verizon.net> wrote:
> On Saturday 02 January 2010, Lothan wrote:
>>The argc/argv logic is actually handled in cstart.r, which can easily be
>>linked with an assembly-language program. If you look at the code in
>>cstart.a, you'll see that it sets up the stack, zeroes out the data area,
>>parses the command-line arguments, and then branches into main.
>
> Having written some things in C, that was in the back of my mind since back
> in the 80's.  I believe it is also noted in both versions of K&R C.  The
> important part is that it is there & we don't have to re-invent that
> particular wheel.
>
> Our Microware C compilers problems were pretty well concentrated in c.prep,
> and cprep19, which I had a hand in, alleviates the majority of its problems,
> mostly a poor memory for var names and their storage areas once the src code
> files total more than 10k or so, it would scribble all over itself, usually
> without throwing any errors. Till you tried to run its output and got some
> grand and glorious crashes. ;-)
>
> Since rzsz-3.36 is about 34k for the src code for either rz or sz, you cannot
> build a working rzsz on the coco without using cprep19 in place of the
> Microware supplied function.  It is, or was, on rtsi.
>
> That is not to sell short some of the other contributions to the C compiler
> we have available, ansifront-0.12, c.opt2 and CnoY (for coco3 code only) have
> all served us well.
>
> Ansifront goes in front, and converts ansi src code full of voids to
> something our voidless compiler can build, usually without any changes to the
> src code at all.
>
> And as for compiler supervisors, we have several versions of CC, and even an
> older make, which if you get the syntax right in the Makefile, also works
> very well indeed.  I've used them all way back then.
>
> [...]
>
> --
> Cheers, Gene
> "There are four boxes to be used in defense of liberty:
>  soap, ballot, jury, and ammo. Please use in that order."
> -Ed Howdershelt (Author)
>
> He who slings mud generally loses ground.
>                -- Adlai Stevenson
>
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