text: def read_100_stitches(f, out):
      count = 0
      while True:
          count += 1
          b = bytearray(f.read(4))
          if len(b) != 4:
              break
          x = b[2]
          y = b[3]
          if x > 0x80:
              x -= 0x80
              x = -x
          if y > 0x80:  # because 2s complement is for chumps?
              y -= 0x80
              y = -y
          if b[0] == 0x61:
              out.stitch(x, -y)
              continue
          elif (b[0] & 0x01) != 0:
              out.move(x, -y)
              continue
          else:  # too broad of catch
              out.color_change()
              continue
          break  # Uncaught Control
      out.end()
  
  
  def read(f, out, settings=None):
      read_100_stitches(f, out)
  