Is it corrupted?


my Piper shows random code, and something about a dirty bit. it then cuts to a flashing line in the top corner. What did I do?


Had piper been working?
If so did you just poweroff the battery at some point (not a good thing to do)?
If so, your SD card might have become corrupted and you will have to reflash it in which case see part 4 of this thread


That screen by itself is normal when the power is cut off during operation. However, being stuck at only a flashing underscore isn’t.