That's great!  I have a thing for binary trees though, so naturally it
would appeal to me.  I just wouldn't have thought of doing it from the
bottom up like that.

-Adam

On 4/9/07, Barry Gershenfeld <barry_g@zmicro.com> wrote:
> As your morse code programs are getting smaller and smaller, they are in
> danger of disappearing!  This code trades efficiency for novelty.  I saw
> this idea at a ham club talk (in the '70's) and have been doing it this way
> ever since.  Since you guys use assembler more than anything else, I'll
> post it that way.  I do the same thing in other languages.
>
> ; Morse code, tree structured.
> ; Example fragment assumes the basic elements have been previously defined:
>
> E:
>      call    dit
>      goto    interchar
>
> N:
>      call    dah
>      goto    E
>
> G:
>      call    dah
>      goto    N
>
> P:
>      call    dit
>      goto    G
>
> T:
>      call    dah
>      goto    interchar
>
> A:
>      call    dit
>      goto    T
>
> #pragma etc
> ; the 'etc' directive writes the rest of the program for you!
>
> ; Barry
>
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