Wall Build

arg = {...}
c = 1
turtle.select(1)

function place ()
turtle.placeDown()
turtle.forward()
item()
end

function item ()
if (turtle.getItemCount(c) == 0) then
c = c +1
turtle.select(c)
end
end

function row ()
for i=2, arg[2], 1 do
place()
end
item()
turtle.placeDown()
end

for j=1, arg[1],1 do
row()
turtle.up()
turtle.turnRight()
turtle.turnRight()
end