-- NewOS 1.0
term.clear()
term.setCursorPos(1,1)
_ver = "1,1"
OSname = "NewOS "
loginchoise = "false"
registerchoise = "true"
yeschoise = "false"
nochoise = "true"

-- defining cPrint function!
local function cPrint(text)
local x,y = term.getSize()
local x2,y2 = term.getCursorPos()
term.setCursorPos(math.ceil((x / 2) - (text:len() / 2)), y2)
print(text)
end

function yN()
local n=1
while true do
local x, y=term.getCursorPos()
term.clearLine()
if n==1 then cPrint("|     -> Login <-   Register      |") else cPrint("|      Login   -> Register <-     |") end
term.setCursorPos(x, y)
a, b=os.pullEvent()
while a~="key" do a, b=os.pullEvent() end
if b==203 and n==2 then n=1 end
if b==205 and n==1 then n=2 end
if b==29 then print("") break end
end
if n==1 then loginchoise = true end
if n==2 then registerchoise = false end
return false
end

yN()