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BootNoodle

A Palindromic Bootloader for BGGP

So named because the execution flow jumps around between reversed and non-reversed op codes in a noodly-tangle.

Please find a write-up of how I built this bootloader here: xcellerator.github.io

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Submission

Binary: bin/bootnoodle.bin

Source: src/bootnoodle.asm

Build Instructions

  • Run build.sh after cloning
  • Check sums below with sums.sh
  • Run with qemu-system-x86_64 bin/bootnoodle.bin

SHA256 Sums

  • Forward: afd35223493930d7ea455b2352627783bfd53ddc54789cc3d81137da1ec3ac51
  • Backward: afd35223493930d7ea455b2352627783bfd53ddc54789cc3d81137da1ec3ac51