diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..778a635
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,9 @@
+{
+    "Lua.diagnostics.globals": [
+        "peripheral",
+        "term",
+        "colors",
+        "fs",
+        "shell"
+    ]
+}
\ No newline at end of file
diff --git a/orders.lua b/orders.lua
new file mode 100644
index 0000000..bf5f651
--- /dev/null
+++ b/orders.lua
@@ -0,0 +1,76 @@
+local config = require "config"
+
+local colony = peripheral.wrap(config.colony_interface_side)
+local orders = {}
+
+
+local function fetch(wait_for)
+    orders = {}
+    local colony_orders = colony.getWorkOrders()
+    if colony_orders ~= nil then
+        for i, wo in pairs(colony_orders) do
+            local res = colony.getWorkOrderResources(wo.id)
+            if res == nil then
+                res = "0"
+            else
+                res = "" .. #res
+            end
+            table.insert(orders, {id=wo.id, type=wo.workOrderType, target=wo.type, pos=wo.builder, res_count=res, claimed=wo.isClaimed})
+            wait_for(config.step_sleep_time)
+        end
+    end
+end
+
+
+local function display(page_start_idx)
+    local tw,th = term.getSize()
+    for i, val in pairs(orders) do
+        local line_num = (i-page_start_idx)*2+3
+        if line_num > 2 and line_num < th-1 then
+            term.setTextColor(colors.lightGray)
+            term.setCursorPos(1,line_num)
+            term.write(val.id)
+            term.write("  ")
+            if val.pos then
+                term.write(val.pos.x .. "," .. val.pos.y .. "," .. val.pos.z)
+                term.write(" ")
+            end
+            term.setCursorPos(2,line_num+1)
+            term.setTextColor(colors.white)
+            if val.type then
+                term.write(val.type)
+                term.write(" ")
+            end
+            if val.target then
+                term.write(val.target)
+                term.write(" ")
+            end
+            if val.res_count then
+                term.setCursorPos(tw-2-#val.res_count, line_num)
+                term.write(val.res_count)
+            else
+                term.setCursorPos(tw-2, line_num)
+            end
+            term.write(" ")
+            if val.claimed then
+                term.setTextColor(colors.yellow)
+                term.write("C")
+                term.setTextColor(colors.white)
+            else
+                term.write(" ")
+            end
+            term.write(" ")
+        end
+    end
+end
+
+local function on_touch(touch_x, touch_y)
+    return false
+end
+
+return {
+    name="orders",
+    fetch=fetch,
+    display=display,
+    on_touch=on_touch,
+}
diff --git a/requests.lua b/requests.lua
new file mode 100644
index 0000000..5a06200
--- /dev/null
+++ b/requests.lua
@@ -0,0 +1,105 @@
+local config = require "config"
+local permset = require "permset"
+
+-- to match click positions back to item names
+local display_list = {}
+-- list of allowed item names, will be requested
+local allowed_items = permset.new(".allowed_items")
+
+local main_me = {}
+if config.has_me then
+    main_me = peripheral.wrap(config.main_system_ae_bridge_side)
+end
+
+local colony = peripheral.wrap(config.colony_interface_side)
+local requests = {}
+
+local function fetch(wait_for)
+    requests = {}
+    local reqs = colony.getRequests()
+    local me_items = nil
+    if config.has_me then
+        me_items = main_me.listItems()
+    end
+    for i, req in pairs(reqs) do
+        local found = false
+        if me_items then
+            local left_amount = req.count
+            for j, it in pairs(req.items) do
+                for k, have_it in pairs(me_items) do
+                    if have_it.name == it.name then
+                        found = true
+                        table.insert(requests, {req=req, answer=have_it})
+                        if left_amount > 0 and permset.has(allowed_items, it.name) then
+                            local export_amount = math.min(have_it.amount, left_amount)
+                            left_amount = left_amount - export_amount
+                            main_me.exportItem({name=it.name, count=export_amount}, config.main_me_inventory_side)
+                        end
+                    end
+                end
+            end
+        end
+        if found == false then
+            table.insert(requests, {req=req, answer=nil})
+        end
+        wait_for(config.step_sleep_time)
+    end
+end
+
+local function display(page_start_idx)
+    local tw,th = term.getSize()
+    display_list = {}
+    for i, val in pairs(requests) do
+        local line_num = i-page_start_idx+3
+        if line_num > 2 and line_num < th then
+            term.setTextColor(colors.white)
+            term.setCursorPos(1,line_num)
+            term.write(val.req.name)
+            term.write("  ")
+            if val.answer == nil then
+                term.setTextColor(colors.orange)
+                term.write("N/A")
+            else
+                if permset.has(allowed_items, val.answer.name) then
+                    term.setTextColor(colors.green)
+                else
+                    term.setTextColor(colors.yellow)
+                end
+                term.write(val.answer.name)
+                display_list[line_num] = val.answer.name
+                term.setTextColor(colors.white)
+                term.setCursorPos(tw-4,line_num)
+                term.write(" [")
+                if permset.has(allowed_items, val.answer.name) then
+                    term.setTextColor(colors.green)
+                    term.write("X")
+                    term.setTextColor(colors.white)
+                else
+                    term.write(" ")
+                end
+                term.write("] ")
+            end
+        end
+    end
+end
+
+local function on_touch(touch_x, touch_y)
+    local tw,th = term.getSize()
+    if touch_x > tw-5 and display_list[touch_y] ~= nil then
+        local item_name = display_list[touch_y]
+        if permset.has(allowed_items, item_name) then
+            permset.remove(allowed_items, item_name)
+        else
+            permset.add(allowed_items, item_name)
+        end
+        return true
+    end
+    return false
+end
+
+return {
+    name="requests",
+    fetch=fetch,
+    display=display,
+    on_touch=on_touch,
+}
diff --git a/test.lua b/test.lua
index 8f0b189..4957d25 100644
--- a/test.lua
+++ b/test.lua
@@ -1,21 +1,7 @@
 local config = require "config"
-local pretty = require "cc.pretty"
-local permset = require "permset"
 
-local main_me = {}
-if config.has_me then
-    main_me = peripheral.wrap(config.main_system_ae_bridge_side)
-end
-local colony = peripheral.wrap(config.colony_interface_side)
-
-local requests = {}
-local orders = {}
+-- index of current tab
 local current_tab = config.initial_tab
-
--- to match click positions back to item names
-local display_list = {}
--- list of allowed item names, will be requested
-local allowed_items = permset.new(".allowed_items")
 -- display working state
 local currently_working = true
 -- current start index to view requests
@@ -23,99 +9,19 @@ local page_start_idx = 1
 -- schedule immediate reload
 local immediate_reload = false
 
-
-function requestsDisplay()
-    local tw,th = term.getSize()
-    for i, val in pairs(requests) do
-        local line_num = i-page_start_idx+3
-        if line_num > 2 and line_num < th then
-            term.setTextColor(colors.white)
-            term.setCursorPos(1,line_num)
-            term.write(val.req.name)
-            term.write("  ")
-            if val.answer == nil then
-                term.setTextColor(colors.orange)
-                term.write("N/A")
-            else
-                if permset.has(allowed_items, val.answer.name) then
-                    term.setTextColor(colors.green)
-                else
-                    term.setTextColor(colors.yellow)
-                end
-                term.write(val.answer.name)
-                display_list[line_num] = val.answer.name
-                term.setTextColor(colors.white)
-                term.setCursorPos(tw-4,line_num)
-                term.write(" [")
-                if permset.has(allowed_items, val.answer.name) then
-                    term.setTextColor(colors.green)
-                    term.write("X")
-                    term.setTextColor(colors.white)
-                else
-                    term.write(" ")
-                end
-                term.write("] ")
-            end
-        end
-    end
-end
-
-function ordersDisplay()
-    local tw,th = term.getSize()
-    for i, val in pairs(orders) do
-        local line_num = (i-page_start_idx)*2+3
-        if line_num > 2 and line_num < th-1 then
-            term.setTextColor(colors.lightGray)
-            term.setCursorPos(1,line_num)
-            term.write(val.id)
-            term.write("  ")
-            if val.pos then
-                term.write(val.pos.x .. "," .. val.pos.y .. "," .. val.pos.z)
-                term.write(" ")
-            end
-            term.setCursorPos(2,line_num+1)
-            term.setTextColor(colors.white)
-            if val.type then
-                term.write(val.type)
-                term.write(" ")
-            end
-            if val.target then
-                term.write(val.target)
-                term.write(" ")
-            end
-            if val.res_count then
-                term.setCursorPos(tw-2-#val.res_count, line_num)
-                term.write(val.res_count)
-            else
-                term.setCursorPos(tw-2, line_num)
-            end
-            term.write(" ")
-            if val.claimed then
-                term.setTextColor(colors.yellow)
-                term.write("C")
-                term.setTextColor(colors.white)
-            else
-                term.write(" ")
-            end
-            term.write(" ")
-        end
-    end
-end
-
 local tabs = {
     -- to display requests and answer with an ME interface
-    [1]={name="requests", display_func=requestsDisplay},
+    [1]=require "requests",
     -- to display colony work orders
-    [2]={name="orders", display_func=ordersDisplay},
+    [2]=require "orders",
 }
 
 
-function display()
+local function display()
     local tw,th = term.getSize()
     term.setCursorBlink(false)
     term.setBackgroundColor(colors.black)
     term.clear()
-    display_list = {}
 
     term.setCursorPos(1,1)
     term.setBackgroundColor(colors.yellow)
@@ -131,7 +37,7 @@ function display()
     term.write(" ^  v ")
     term.setBackgroundColor(colors.black)
 
-    tabs[current_tab].display_func()
+    tabs[current_tab].display(page_start_idx)
 
     if currently_working then
         local cx,cy = term.getCursorPos()
@@ -143,17 +49,17 @@ function display()
 end
 
 
-function page_down(th)
+local function page_down(th)
     page_start_idx = page_start_idx+th-3
 end
 
 
-function page_up(th)
+local function page_up(th)
     page_start_idx = math.max(1, page_start_idx-th+3)
 end
 
 
-function on_touch(touch_x, touch_y)
+local function on_touch(touch_x, touch_y)
     local tw,th = term.getSize()
     if touch_y == 1 then
         if touch_x < (#tabs[current_tab].name + 2) then
@@ -163,6 +69,7 @@ function on_touch(touch_x, touch_y)
             end
             return true
         elseif currently_working == false and touch_x > tw-9 and touch_x < tw-5 then
+            -- reload button
             immediate_reload = true
             return true
         elseif touch_x > tw-6 and touch_x < tw-2 then
@@ -172,20 +79,14 @@ function on_touch(touch_x, touch_y)
             page_down(th) 
             return true
         end
-    elseif current_tab == 1 and touch_x > tw-5 and display_list[touch_y] ~= nil then
-        local item_name = display_list[touch_y]
-        if permset.has(allowed_items, item_name) then
-            permset.remove(allowed_items, item_name)
-        else
-            permset.add(allowed_items, item_name)
-        end
+    elseif tabs[current_tab].on_touch(touch_x, touch_y) then
         return true
     end
     return false
 end
 
 
-function wait_for(time_secs)
+local function wait_for(time_secs)
     display()
     local timer_id = os.startTimer(time_secs)
     while true do
@@ -195,6 +96,7 @@ function wait_for(time_secs)
                 display()
             end
             if immediate_reload == true then
+                os.cancelTimer(timer_id)
                 immediate_reload = false
                 break
             end
@@ -213,59 +115,11 @@ if peripheral.isPresent(config.monitor_side) then
     term.redirect(monitor)
 end
 
-function get_requests()
-    requests = {}
-    local reqs = colony.getRequests()
-    local me_items = config.has_me
-    if config.has_me then
-        me_items = main_me.listItems()
-    end
-    for i, req in pairs(reqs) do
-        local found = false
-        if me_items then
-            local left_amount = req.count
-            for j, it in pairs(req.items) do
-                for k, have_it in pairs(me_items) do
-                    if have_it.name == it.name then
-                        found = true
-                        table.insert(requests, {req=req, answer=have_it})
-                        if left_amount > 0 and permset.has(allowed_items, it.name) then
-                            local export_amount = math.min(have_it.amount, left_amount)
-                            left_amount = left_amount - export_amount
-                            main_me.exportItem({name=it.name, count=export_amount}, config.main_me_inventory_side)
-                        end
-                    end
-                end
-            end
-        end
-        if found == false then
-            table.insert(requests, {req=req, answer=nil})
-        end
-        wait_for(config.step_sleep_time)
-    end
-end
-
-function get_orders()
-    orders = {}
-    local colony_orders = colony.getWorkOrders()
-    if colony_orders ~= nil then
-        for i, wo in pairs(colony_orders) do
-            local res = colony.getWorkOrderResources(wo.id)
-            if res == nil then
-                res = "0"
-            else
-                res = "" .. #res
-            end
-            table.insert(orders, {id=wo.id, type=wo.workOrderType, target=wo.type, pos=wo.builder, res_count=res, claimed=wo.isClaimed})
-            wait_for(config.step_sleep_time)
-        end
-    end
-end
-
 while true do
     currently_working = true
-    get_requests()
-    get_orders()
+    for i, tab in pairs(tabs) do
+        tab.fetch(wait_for)
+    end
     currently_working = false
     wait_for(config.round_sleep_time)
 end
diff --git a/update.lua b/update.lua
index c60bb80..0271552 100644
--- a/update.lua
+++ b/update.lua
@@ -19,15 +19,18 @@ function update_update()
     return true
 end
 
+function download_file(filename)
+    if fs.exists(filename) then
+        fs.delete(filename)
+    end
+    shell.execute("wget", "https://gitea.rs485.network/ben/cc/raw/branch/main/" .. filename, filename)
+end
+
 
 if update_update() then
-    if fs.exists("permset.lua") then
-        fs.delete("permset.lua")
-    end
-    shell.execute("wget", "https://gitea.rs485.network/ben/cc/raw/branch/main/permset.lua", "permset.lua")
-    if fs.exists("test.lua") then
-        fs.delete("test.lua")
-    end
-    shell.execute("wget", "https://gitea.rs485.network/ben/cc/raw/branch/main/test.lua", "test.lua")
+    download_file("permset.lua")
+    download_file("requests.lua")
+    download_file("orders.lua")
+    download_file("test.lua")
     shell.run("test")
 end