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I'm still working on my Lua project, that calls various Lua functions.

The functions need some variables to be stored between each run. What I do is
I return 4 variables from my Lua function, store it, and before the next
run I push them to the stack. Everything is working as expected.

Can I somehow store the whole environment? I thinking in embedded OS terms,
because back in old days I was writing one such OS for Atmel MCU.

So I'm thinking about some way to store any number of variables as binary
data, just like when I store the stack pointer, the PC and registers of my

I don't need to interrupt my Lua code, it's okay to do this when it returns.

Any help is welcome.