Upscaling classic Sierra adventure games

My attempt at upscaling the background graphics from classic Sierra adventure games.

Inspired by this video by Eviltrout:
https://youtu.be/sclZDCjUVvI?si=JNP6ISBQlWwEPFHK

Made possible by this documentation of the AGI PIC format:
https://agiwiki.sierrahelp.com/index.php/Picture_Resource_(AGI)

Source code:
https://github.com/OldManYellsAtCode1/agi-up