test

mon = peripheral.find("monitor")
local Xpos = 5
local Ypos = 5
local Xend = 30
local Yend = 8
local Yfill = 0

function fill(text)
mon.setBackgroundColor(colors.blue)
local yspot = math.floor((Ypos+Yend)/2)
local xspot = math.floor((Xend-Xpos-string.len(text))/2)+1
for j = Ypos,Yend do
mon.setCursorPos(Xpos, j)
if j == yspot then
local xspot2 = math.floor((Xend-Xpos-string.len(text))/2)+1
for k = 0, xspot2 do
if k == xspot then
mon.write(text)
else
mon.write(" ")
end
end
else
for i = Xpos, Xend do
mon.write(" ")
end
end
end
mon.setBackgroundColor(colors.black)
end