These scripts are compatible with ph3 which can be downloaded from here: https://touhougc.web.fc2.com/products/th_dnh_ph3.html
The version these scripts were tested with can be found here: https://ux.getuploader.com/touhougc/download/4
This installation assumes that the location of the default scripts that come with the initial installation are unchanged, as the directories have been specified as absolute.
To make use of the scripts, merge the contents of this repository into the Danmakufu /script directory.
Running Danmakufu after completing this, should make the script runnable from within.