https://cc-webshop.com/products/circuit-cellar-issue-239-june-2010-pdf
https://www.youtube.com/watch?v=WiH14WjoCHw
The "buildscripts.bat" file assembles the two engine files. The output is "a.spin" and "b.spin" (text files) should be pasted into the BOOT.SPIN file.
The "makemovie.bat" file combines the "day*.txt" files into "movie.bin". Reformat the SD card and place "movie.bin" on the card.
Edit individual movie sequences with the movie editor like this:
C:\project>java gx.movie.LEDGrid day8.txt
or
C:\project>java gx.movie.LEDGrid day8.txt day9.txt day7.txt
Each file will open in a separate tab on the display.