Tandy MC- 10 : GFX Demo : Forest Fire Cellular Automata

Forest Fire - GFX Demo
This is my own implementation of the 'Forest Fire' cellular automata.
I have not yet seen this on the Dragon/Coco/MC-10 family. Is this a first? :-)
Could probably do with being compiled!
For more info:
en.wikipedia.o...
rosettacode.or...
GitHub
github.com/daf...