Turtle Mob Farm CC

shell.run("clear")
if turtle then
print("Starting up, Press Ctrl+T to exit")
print("Auto Attack By DPad+")
for i = 1,16 do
turtle.select(i)
if turtle.getItemCount(i) > 0 then
turtle.drop()
end
end
turtle.select(1)
while true do
if redstone.getInput("bottom") then
turtle.attack()
turtle.suck()
if turtle.getItemCount(1) > 2 then
for i = 1,8 do
turtle.select(i)
if turtle.getItemCount(i) > 0 then
turtle.drop()
end
sleep(0.1)
end
end
turtle.select(1)
else
sleep(0.1)
end
end
else
print("This is a program meant for a turtle. You're on a computer now")
end