Will pistons, comparators, and repeaters and the like be implemented?

Comparators have nothing to compare and repeaters nothing to repeat: Redstone in crafti is infinite!
I was actually planning to implement pistons in v1.1 but thought the last release was so long ago that I should release something.
It will come in v1.2 (or v1.1.1 maybe), probably together with stairs and maybe mobs.

Also that looks great  does it still work on GS calcs which use the 3.1 version of Ndless, since you now use another executable format ?

It should even run on some versions < 3.1, I'm not using much except fopen etc. at all.

Actually repeaters still have two uses: delayers and diodes. They let you delay by one tick while torches need two ticks (since you need to re-invert the signal).

Looks like I haven't played minecraft in a while.. Added to the TODO list, but below everything else as not really necessary.
Redstone torches don't need two ticks: If the redstone wire connected to the torch is in the same chunk, it changes state every tick. (Not entirely true, it also depends on position and orientation of torch and redstone, like water which behaves a bit weird at chunk borders).
This could be an issue for repeaters, as it may be that the receiving redstone (at the repeater output) gets updated before the receiver changed state and thus having a two-tick delay. Ticks aren't even synchronous for Chunks, each chunk has its own timer, so it's distributed more evenly to prevent lag spikes. I could implement it more "reliable", but only with a heavy impact on overall performance and complexity.

What I meant is since torches invert the signal, you need two of them to make a repeater, and then it's a two ticks repeater.

Oh, now I realized what you meant, I should really go to bed now 
In that case (a torch-based repeater) the delay could be as bad as 4 ticks + chunk timing differences

Wow, that redstone implementation looks sick! I really need to give the new version a try when I have time

Do you plan a ticalc.org update soon?

Wow, that redstone implementation looks sick! I really need to give the new version a try when I have time

The implementation IS sick. Just look at the code

I just had a question when reading your post. What is format Zehn ? I only get redirected to German pages when I google it o.o

You know ELF, right? Elf is German for eleven and Zehn is German for ten, that should explain it
Basically it's a custom format without the restrictions of bFLT which should load faster and supports code without PIC and with exceptions.

Do you plan a ticalc.org update soon?

Hm, why not?

Also wow, I just updated crafti on my calc and it's really great  (not that it was bad before )
There is just something that annoys me a bit. Would it be possible to have a higher touchpad sensitivity ? Because I have to rub it 5 times before seeing what's behind me
Of course, you can make it an option to have both precision-people and speed-people happy

You can rotate faster if you press the touchpad - this is also dependant on your "Speed" setting. I didn't make the "rubbing" speed change with "Speed", as it would be impossible or too hard to aim on fastest speed.

Probably taken from running the game in nspire_emu. (well, at least it's the quickest way to get it)

Although a screenshot feature within the game would be cool (if it's not there already, I don't know )

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Although a screenshot feature within the game would be cool (if it's not there already, I don't know )

I had implemented it once but lost the code somehow (it was before v0.7.2, when I moved to git). But it's on my todo list again!

Maybe a part of that could help (instead of recoding this feature from scratch) : http://tiplanet.org/forum/archives_voir.php?id=12264
(also, I like the Ctrl-capture shortcut ... )