m_test

m = peripheral.wrap("back")
bg = colors.cyan
text = colors.yellow
x = 2
y = 2

local function fill()
	for i = 1, 6 do
		for j = 1, 6 do
			m.setCursorPos(i,j)
			m.write(" ")
		end
	end
end

m.setTextScale(2)
m.setBackgroundColor(bg)
fill()
m.setTextColor(text)
m.setCursorPos(x,y)
m.write("340.0")