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SimonEast / .8XP Binary File Format.md
Last active May 27, 2025 06:31
8XP Binary File Format & Structure Documentation

8XP File Format

The following KSY file shows the binary structure of 8XP files. These files are programs used on Texas TI-83 Plus and TI-84 Plus calculators.

As a basic summary, each 8XP file contains:

  • 55 byte header
  • 19 byte meta data section
  • body (variable length)
  • 2 byte checksum at the end