Stack Overflow already has questions about the DCPU-16 programming language.
For those unfamiliar, this is a freaking assembly-level programming language; extremely low level. Here's a recent copy of the spec. Any and all questions regarding DCPU-16 are going to require programmers, not gamers, to answer them.
It is a low level programming language. The fact that it's in a game doesn't change that fact, and unlike Redstone it's not simple enough to be on Gaming over SO. Heck, I'm a professional programmer and the programming in this game sounds like work.
I think it probably depends on the question.
For instance, if it's "how do I sort things in memory in 0x10c", it's probably for SO, or heck even CodeGolf.SE if you want it small and/or efficient.
On the other hand, if it's something like "how do I make the lights on my ship flash?" it might belong here, even if the answer ends up being
mov 10 [lights] or something; after all, no amount of programming knowledge will tell you which memory-mapped location controls the ship's lights.
I imagine the split will be similar to the one between Electronics.SE and SO; problems that are purely programming belong on SO, but questions that rely specifically on in-game hardware might have a place here.