Castle Wall [Expandable]

function placeBlock(n) -- Place block below, move forward
for i = 1,n do
  turtle.placeDown()
  turtle.forward()
end
end
function turnAround() -- 180 deg turn
turtle.turnLeft()
turtle.turnLeft()
end
function backUp(n) -- Move back n times
for i = 1,n do
  turtle.back()
end
end
function forward(n) --  Move forward n times
for i = 1,n do
  turtle.forward()
end
end
function down(n) -- Move down n times
for i = 1,n do
  turtle.down()
end
end
function planks()
turtle.select(1) -- Wood Plank: 16 per section
placeBlock(6) -- Place 6 wood planks
for i = 1,2 do -- Moves to second row
  turtle.turnLeft()
  turtle.forward()
end
placeBlock(6) -- Places second plank row
end
function cobblestone()
turtle.select(2) -- Cobblestone: 18 per section
turtle.up() -- Up and around to place new row on top
turnAround()
placeBlock(6) -- Uses place/forward pattern, loop not possible
turtle.up()
turnAround()
turtle.forward() -- Extra forward to account for place/forward pattern
placeBlock(6)
turtle.up()
turnAround()
placeBlock(6)
end
function plankEdge()
turtle.turnLeft() -- Move up and left for spider blocker
turtle.forward()
turtle.turnLeft()
turtle.up()
turtle.select(1) -- Wood Plank: 16 per section
for i = 1,4 do -- Old forward/place pattern (works here)
  turtle.forward()
  turtle.placeDown()
end
end
function pillars()
turtle.select(3) -- Wood: 12 per section
turtle.forward()
down(5) -- Start building from bottom
for i = 1,6 do
  turtle.up()
  turtle.placeDown()
end
backUp(2) -- Get to spot to place torch
turtle.down()
turtle.select(4) -- Torch: 2 per section
turtle.place()
turtle.up() -- Move to next pillar
forward(3)
down(6)
turtle.select(3) -- Wood: 12 per section
for i = 1,6 do
  turtle.up()
  turtle.placeDown()
end
forward(2) -- Move to second torch
turnAround()
turtle.down()
turtle.select(4) -- Torch: 4 per section
turtle.place() -- Place 2nd torch
end
function ladders()
turtle.turnRight() -- Move to position for ladders
forward(3)
turtle.turnLeft()
forward(2)
turtle.turnLeft()
down(2)
turtle.select(5) -- Ladder: 3 per section
for i = 1,3 do -- Place ladders
  turtle.place()
  turtle.down()
end
end
function moveNext()
turtle.up() -- Move into position for next section (perfect fit!)
turtle.turnRight()
forward(5)
turtle.turnLeft()
turtle.forward()
turtle.turnRight()
turtle.forward()
end

--[[Computer Craft Castle Wall (Minecolonies)(In Progress)]]--
--[[Start turtle one space off ground, disk drive to right]]--
--[[Remove disk drive after starting if using]]--
local function singleWall()
  planks()
  turtle.forward()
  cobblestone()
  plankEdge()
  pillars()
  ladders()
  moveNext()
end
term.clear()
term.setCursorPos(1,1)
print("How many walls do you want built")
x = read()
for i =1, x do
  singleWall()
end