[Coco] [CoCo] Re: Basic Lisp

[Aaron]

On Sat, Nov 15, 2014 at 8:34 PM, J Arcane <jarcane at gmail.com> wrote:

> Wow! Nice work. Debugging old-school BASIC is rarely the most painless
> experience, so kudos to your efforts.
>
> I've been working on a little language project myself, writing a
> BASIC-inspired Lisp dialect as a Racket library. It's presented me with any
> number of odd conundrums and important revelations about how certain things
> work and the differences between languages.
>
> The most weird one though, and one I am still a bit stuck on is the
> PRINT/INPUT commands vs. their Lisp eqvs. and how to define them. BASIC's
> PRINT more or less roughly aligns to displayln, with some extra syntax like
> the ; and , shortcuts, and INPUT really doesn't have an equivalent at all
> exactly (owing largely to major differences in how the two languages do
> things). Lisp uses read and read-line, and lacks strict typing (though
> there are variants for reading a string or chars specifically), nor is it
> even explicitly required to be assigning to a variable; they're simply
> functions that take some input from a given port, and return that input.
>
> It's a case of two very, very different approaches and needing to decide
> which one to prioritize. Not getting far yet.
>

Do you have any code up anywhere?  I doubt I'd be any help at this stage,
but curious how you're doing things.

I've been kinda looking at TinyScheme, wondering if it (or it's
predecessor, MiniScheme) would be a good CoCo fit.

-M.