Locomotive BASIC - Cristal by Cyrille Vigie

[ComSoft6128]

A nice little French BASIC demo likely from the mid to late eighties.
The program is Listed at end of video.

Links:
https://www.cpc-power.com/index.php?page=detail&num=17074
https://cpcrulez.fr/demostestSL_cristal-vigie.htm

Not emulated - original hardware and software.
Please note that  the aspect ratio for this YouTube video is 16:9 but the CPC monitor 
has an aspect ratio of 4:3 so you may wish to adjust your viewing device accordingly.