Keyboard

line = 1
song = {...}
run = true
instr = 0
notenum = 0
notes = {}
instrs = {}
run = true
waits = {}
if song[1] == nil then
 print("Please specify file to save to")
 run = false
end
if run == true then
 fileto = song[1]
 print("Saving File at: " .. song[1] .. " ok? y or yes ")
 ok = read()
 if ok == "y" or ok == "yes" then
  run = true
 else
  print("Chose to not save file at " .. song[1] .. "")
  run = false
 end
end
side = "bottom"
inb = peripheral.wrap(side)

function savefile()
 i = 0
 file = fs.open(fileto, "w")
 for i = 1, notenum do
  if notes[i] then
  sleep(0.05)
  file.write(instrs[i] .. "\n" )
  file.write(notes[i] .. "\n" )
  file.write(waits[i] .. "\n" )
  end
 end
 file.close()
 print("saved song!")
end

function noteup()
 if instr ~= 4 then
  instr = instr +1
 else
  instr = 0
 end
end

function notedown()
 if instr ~= 0 then
  instr = instr -1
 else
  instr = 4
 end
end
while run == true do
 term.clear()
 term.setCursorPos(1,1)
 print("Instrument: " .. instr .. " ")
 if notes[notenumm] then
  print("Last note: " .. notes[notenumm] .. " ")
 end
 time1 = os.clock()
 event, num = os.pullEvent("key")
 if num == 200 or num == 17 then
  noteup()
 end
 if num == 208 or num == 31 then
  notedown()
 end
 if num == 2 or num == 3 or num == 4 or num == 5 or num == 6 or num == 7 or num == 8 or num == 9 or num == 10 or num == 11 then
  time2 = os.clock()
  time = time2 - time1
  note = num -1
  note = note *2
  note = note +4
  notes[notenum] = note
  notenumm = notenum
  instrs[notenum] = instr
  waits[notenum] = time
  inb.playNote(instr,note)
  notenum = notenum +1
  line = line +3
 elseif num ~= 208 and num ~= 31 and num ~= 200 and num ~=17 then
  run = false
  quit = true
 end
end
if quit == true then
 savefile()
end