TIS-100 specification: FIZZBUZZ ARBITRARY

function get_name()
  return "FIZZBUZZ ARBITRARY"
end

function get_description()
  return {
    "READ NUMBER N FROM IN",
    "WRITE N+1 TO N+39 TO OUT, BUT",
    "IF MULTIPLE OF 3, REPLACE BY -1",
    "IF MULTIPLE OF 5, REPLACE BY -2",
    "IF BOTH, REPLACE BY -3",
  }
end

function get_streams()
  input = {math.random(0, 960)}
  output = {}

  for i = 1, 39 do
    number = input[1] + i
    answer = number
    if number % 3 == 0 then answer = -1 end
    if number % 5 == 0 then answer = -2 end
    if number % 15 == 0 then answer = -3 end
    output[i] = answer
  end

  return {
    {STREAM_INPUT, "IN", 1, input},
    {STREAM_OUTPUT, "OUT", 1, output},
  }
end

function get_layout()
  return {
    TILE_COMPUTE, TILE_COMPUTE, TILE_COMPUTE, TILE_COMPUTE,
    TILE_COMPUTE, TILE_COMPUTE, TILE_COMPUTE, TILE_COMPUTE,
    TILE_COMPUTE, TILE_COMPUTE, TILE_COMPUTE, TILE_COMPUTE,
  }
end