View difference between Paste ID: h07ZmZ6Z and atgrXiub

 glass = peripheral.wrap("bottom")
 
 rednet.open( "back" )
 
--- We always reset when starting back up
+-- Constants
-glass.clear()
+pos_x = 40
 pos_y = 55
--- Quarry status
+pos_inc = 10
 color[on] = "0x2290000"
 color[off] = "0xFF0000"
 
-  device = ""
+-- Devices
 local devices = {Quarry}
-  rednet.broadcast( "get quarry" )
+
 -- Device status
-  sleep( 1 )
+local status = {}
 for i, device in ipairs( devices ) do
   status[device] = glass.addText( pos_x, pos_y, device, status[off] )
   pos_y = pos_y + pos_inc
 end
 
-    if not device then
+
 
 while true do
-      if i == "off" then
+  local command = ""
-        statusQuarry.setColor( 0x229000 )
+  local device = ""
-      else
+  local status = ""
-        statusQuarry.setColor( 0xFF0000 )
+
-      end
+
   print( senderID .. ": " .. message )
 
   for i in string.gmatch( message,  "%S+" ) do
-  sleep( 10 )
+    if not command then
       command = i
     elseif not device then
       device = i
     else
       status = i
     end
   end
 
   status[device].setColor( color[status] )
 end
 
 rednet.close( "back" )