EnderChest ComputerCraft runner

-- configuration section --
t1 = peripheral.wrap("right")
t1c = "east"
StartingFrequency = 1
EndingFrequency = 4095


term.clear()
term.setCursorPos(1,1)
x,y = term.getSize()

function termClear()
    term.clear
    term.setCursorPos(1,1)
end

function rush(freqStart, freqFinish, ec)
    for i = freqStart,freqFinish do
        ec.setFrequency(i)
        for j = 1,54 do
            z = ec.getStackInSlot(J)
            cx,cy = term.getCursorPos()
            if cx > x-10 then
                term.setCursorPos(1, (cy +1 ))
            end
            if cy > y-2 then
                term.clear()
                term.setCursorPos(1,1)
            end
            if z ~= nil then
                term.write(i.. ",")
                ec.pushItem(t1c, j)
            end
        end
    end
end