startup

sPlacer="left"
sBreaker="right"
sRepairDone="top"
sRepair="front"
sChisel="bottom"
dRepair=7
dPlace=0.3
dChisel=0.8
dBreak=0.3

function WaitRedstone(side, val)
  while (redstone.getInput(side)~=val) do
    os.pullEvent("redstone")
  end
end

redstone.setOutput(sPlacer,false)
redstone.setOutput(sBreaker,false)
redstone.setOutput(sRepairDone,false)
redstone.setOutput(sRepair,false)
redstone.setOutput(sChisel,false)

while true do
  print("Repairing.")
  redstone.setOutput(sRepair, true)
  sleep(1)

  --redstone.setOutput(sRepair, false)
  WaitRedstone(sRepairDone,true)
  redstone.setOutput(sRepair, false)
  sleep(dRepair)

  i=0
  while (i<100) do
    i=i+1
    print("Placing. " .. i)
    redstone.setOutput(sPlacer, true)
    sleep(dPlace)
    redstone.setOutput(sPlacer, false)
    print("Chiseling.")
    redstone.setOutput(sChisel, true)
    sleep(dChisel)
    redstone.setOutput(sChisel, false)
    print("Breaking.")
    redstone.setOutput(sBreaker, true)
    sleep(dBreak)
    redstone.setOutput(sBreaker, false)
  end
end