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A simple DASM assembler library for creating small QR codes
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README.md

6502-QR-code-generator

A simple DASM assembler library for creating small QR codes

Introduction

This project provides a simple QR code generator for the 650x family.

Note: The code is mostly specifically taylored for the Atari 2600 and a version 2 QR code. Other platforms or QR code versions have not been tested. But it should be adaptable without too major problems.

If you make use of my code or have questions, please let me know.

Features

  • easy to use DASM macros
  • assembler switches to taylor generator to your needs
  • code size optimized for minimal RAM and ROM space
  • all eight mask pattern supported
  • Atari 2600 demo code (randomly generates some Atari 2600 related messages)
  • generator code for Reed-Solomon ECC generator polygons accompanied

Limitations

  • only small, single block QR codes supported
  • only byte mode supported
  • no automatic mask pattern evaluation
  • tested only for version 2, level L and M QR codes (25x25)

License

Copyright © 2021 Thomas Jentzsch. (GPLV3 License)

The 6502 QR code generator is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

See License for details.

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.