gistfile1.txt

def copylcd(c, sp)
  for n in 1..64 do
    rgba = c.getpix(0, n - 1, 128)
    for i in 1..16 do
      pat = 0
      for k in 1..8 do
        if rgba[1 + (i - 1) * 4 * 8 + (k - 1) * 4] == 0xff
          pat |= 1 << (8 - k)
        end
      end
      bytestr = " "
      bytestr.setbyte(0, pat)
      sp.write bytestr
    end
  end
end