so-i-heard-you-like-numbers.coffee

    readBig: (bits) ->
        a = (@data[@offset + 0] * Math.pow(2, 32)) +
            (@data[@offset + 1] * Math.pow(2, 24)) +
            (@data[@offset + 2] * Math.pow(2, 16)) +
            (@data[@offset + 3] * Math.pow(2, 8)) +
            (@data[@offset + 4] * Math.pow(2, 0))
        
        a = (a % Math.pow(2, 40 - @pos))
        a = (a / Math.pow(2, 40 - @pos - bits))
        
        @advance(bits)
        
        return a << 0