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In short, this code works:

 
function _init()
    poke(0x5f2d,3)
end

function _update()
    if stat(30) then
        -- prints the pressed key
        local key=stat(31)
        printh(key)
    end
end

And this doesn't:

 
function _init()
    poke(0x5f2d,3)
end

function _update()
    if stat(30) then
        -- prints nothing, not even a blank line
        printh(stat(31)
    end
end



stat(31) return two values - it seems to be a bug (or an undocumented feature).
Try a additional brace around stat(31)

printh( (stat(31)) )

Oh my, I actually read that it returned 2 values, it just didn't occur to me that it would affect the printh()...

Thanks!



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