View difference between Paste ID: 9JGqj22e and 4dWEcGWP

 m = peripheral.wrap("top")
 x,y = m.getSize()
 rednet.open("bottom")
 
 --Table to hold turtle information
 -- Label = id, xmin, xmax, ymin, ymax, page, active
 local turtle = {
     ["Quarry 1"] = { id = 19, xmin = 2, xmax = 11, ymin = 4, ymax = 5, page = 1, active = false },
     ["Quarry 2"] = { id = 18, xmin = 2, xmax = 11, ymin = 6, ymax = 7, page = 1, active = false },
     ["Branch 1"] = { id = 22, xmin = 2, xmax = 11, ymin = 8, ymax = 9, page = 1, active = false },
     ["Branch 2"] = { id = 20, xmin = 2, xmax = 11, ymin = 10, ymax = 11, page = 1, active = false },
     ["Branch 3"] = { id = 29, xmin = 2, xmax = 11, ymin = 4, ymax = 5, page = 2, active = false },
     ["Branch 4"] = { id = 30, xmin = 2, xmax = 11, ymin = 6, ymax = 7, page = 2, active = false },
     ["Branch 5"] = { id = 31, xmin = 2, xmax = 11, ymin = 8, ymax = 9, page = 2, active = false },
     ["Branch 6"] = { id = 32, xmin = 2, xmax = 11, ymin = 10, ymax = 11, page = 2, active = false },
 
 }
 
 --Table to hold GUI. (Buttons)
 local menu = {
 --   Name,  xmin, xmax, ymin, ymax, active
     ["Prev"] = { xmin = 1, xmax = 5, ymin = 12, ymax = 13, active = false },
     ["Next"] = { xmin = 9, xmax = 13, ymin = 12, ymax = 13, active = false },
 
 }
 
 -- Function to write to specified points
 -- using arguments.
 function writeTo(x,y,bColor,tColor,text)
    local bColor = bColor or colors.black
    local tColor = tColor or colors.white
    m.setCursorPos(x,y)
    m.setBackgroundColor(bColor)
    m.setTextColor(tColor)
    m.write(text)
    m.setTextColor(colors.white)
    m.setBackgroundColor(colors.black)
 end
 
 -- Centers text on y line.
 function centerPrint(text, tColor, bColor, y)
     local mx,my = m.getSize()
     local xPos = math.floor((mx/2) - (#text/2))
     local tColor = tColor or colors.white
     local bColor = bColor or colors.black
       m.setTextColor(tColor)
       m.setBackgroundColor(bColor)
       m.setCursorPos(xPos,y)
       m.write(text)
       m.setBackgroundColor(colors.black)
       m.setTextColor(colors.white)
       m.setCursorPos(1,y+1)
 end
 
 -- Determines if rednet is enabled or not.
 function rEnabled()
     local rColor
       if rednet.isOpen("bottom") then
          rColor = colors.lime
       else
          rColor = colors.red
          rednet.open("bottom")
       end
     writeTo(24,12,rColor,colors.white,"Rednet")
 end
 
 
 -- Draws main menu.
 function drawMain()
     m.clear()
     local mx,my = m.getSize()
     centerPrint("Random List", colors.lime, colors.black, 1)
     centerPrint(string.rep("=",x+2), colors.lime, colors.black,2)
     writeTo(13,4,colors.black,colors.lime,"+")
     m.write(string.rep("-",15))
     writeTo(x,4,colors.black,colors.lime,"+")
     m.setCursorPos(13,5)
      for i = 5,10 do
         m.write("|"..string.rep(" ",15).."|")
         m.setCursorPos(13,i)
      end
     writeTo(13,10,colors.black,colors.lime,"+")
     m.write(string.rep("-",15))
     writeTo(x,10,colors.black,colors.lime,"+")
     writeTo(14,5,colors.black,colors.lime,"Fuel:")
     writeTo(14,6,colors.black,colors.gray, string.rep("-",15))
     writeTo(14,7,colors.black,colors.lime,"Status:")
     writeTo(14,8,colors.black,colors.gray, string.rep("-",15))
     writeTo(14,9,colors.black,colors.lime,"ID:")
     rEnabled()
       for k,v in pairs(menu) do
           writeTo(v.xmin, v.ymin, colors.black, colors.lime,k)
       end
 end
 
 -- Draws the buttons for turtles and the buttons
 function pageOne()
   m.clear()
   drawMain()
     for k,v in pairs(turtle) do
         if v.page == 1 then
             writeTo(v.xmin,v.ymin,colors.black,colors.purple,k)
         end
     end
 end
 
 --Draws page 2 of turtle info
 function pageTwo()
   m.clear()
   drawMain()
     for k,v in pairs(turtle) do
         if v.page == 2 then
             writeTo(v.xmin, v.ymin, colors.black, colors.purple,k)
         end
     end
 end
 
 
 --Check for valid click
 function checkTouch()
  local e,side,x,y = os.pullEvent("monitor_touch")
   for k,v in pairs(turtle) do
      if y<=v.ymax and y>=v.ymin and x<=v.xmax and x>=v.xmin then
             for i = 1,2 do
                 v.active = not v.active
                 toggleButton()
                 sleep(0.2)
             end
             print(k)
             print(x..":"..y)
      end
   end
   --determines where you clicked for next/prev menu
   for k,v in pairs(menu) do
      if y<=v.ymax and y>=v.ymin and x<=v.xmax and x>=v.xmin then
           for i = 1,2 do
               v.active = not v.active
               toggleButton()
               sleep(0.2)
           end
           print(k)
           print(x..":"..y)
             if k == "Next" then
                pageTwo()
                print(k)
             elseif k == "Prev" then
                pageOne()
                print(k)
             end
      end
   end
 end
 
 --Toggles button colors
 function toggleButton()
    local bColor
    local tColor
       for k,v in pairs(turtle) do
         local on = v.active
             if on then
                 bColor = colors.purple
                 tColor = colors.lime
             else
                 bColor = colors.black
                 tColor = colors.purple
             end
             writeTo(v.xmin,v.ymin,bColor,tColor,k)
      end
      for k,v in pairs(menu) do
          local on = v.active
              if on then
                  bColor = colors.lime
                  tColor = colors.purple
              else
                  bColor = colors.black
                  tColor = colors.lime
              end
              writeTo(v.xmin,v.ymin,bColor,tColor,k)
     end
 end
 
 while true do
     drawMain()
-    screen()
+    pageOne()
     checkTouch()
 end