D-

[Era Scarecrow]

>> What are your thoughts?
>
> There is no way you get a D application into 64K. The language 
> is not powerful enough. Only C can achieve that.

I'll need to agree. Porting D to a smaller memory space and with 
cramped features in all of this is not going to be good no matter 
how you look at it. I'm sure it's similar to comparing using perl 
in something with only 64k of memory, one must ask where you can 
put the interpreter, decoding and working with the source text, 
and many other things, not to mention even if you pulled it off, 
the speed penalty.

With only 64k, you aren't going to need anything extremely 
complex or elaborate.
You MIGHT get away with exporting D code to using C symbols, but 
you'll likely be stuck working with structs, no library support, 
no heap, no memory management, and fixed-sized arrays. I doubt 
you'd need templates, or any of the higher functions. All 
structures and types must be basic or known statically at compile 
time. Unlikely for lambdas to be used, and a score of other 
features.

This is all just speculation, but I think you get the picture. If 
you make a subset of D, it would most likely be named Mini-D. But 
at that point you've got an enhanced C without going C++.