mt_taskswitcher

local taskList = nil
local index = 1
function getTaskList()
    local list = mt.getTaskList()
    local rm = nil
    for i,v in ipairs(list) do
        if v == "mttaskswitcher" then rm = i break end
    end
    if rm then table.remove(list,rm) end
    taskList = list
    index = math.min(index,#taskList)
end
getTaskList()
term.setCursorBlink(false)
term.clear()

function list()
    term.clear()
    p=1
    term.setCursorPos(1,1)
    for k,v in ipairs(taskList) do
        term.write((index==p and "*" or " ")..v)
        p=p+1
        term.setCursorPos(1,p)
    end
end
list()
while true do
    local ev,p1 = os.pullEvent()
    if ev == "key" then
        if p1 == 200 then
            index = math.max(index-1,1)
            list()
            --up
        elseif p1 == 208 then
            index = math.min(index+1,#taskList)
            list()
            --down
        elseif p1 == 28 then
            mt.switchTask(taskList[index])
        elseif p1 == 63 then
            getTaskList()
            list()
        end
    end
end