Type-ins from the December 1986 issue of the French 'CPC' magazine.
TrianglA & TrianglB appear to Run indefinitely so both are given just over a minute before being Listed.
https://www.youtube.com/watch?v=9YwejeYHh9w (https://www.youtube.com/watch?v=9YwejeYHh9w)
Links:
https://www.cpc-power.com/index.php?page=detail&num=12398 (https://www.cpc-power.com/index.php?page=detail&num=12398)
https://en.wikipedia.org/wiki/Pascal%27s_triangle (https://en.wikipedia.org/wiki/Pascal%27s_triangle)
https://en.wikipedia.org/wiki/Blaise_Pascal (https://en.wikipedia.org/wiki/Blaise_Pascal)
https://www.cpcwiki.eu/index.php/CPC_(magazine (https://www.cpcwiki.eu/index.php/CPC_(magazine))
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.
What algorithm is that? It's not the "usual" Pascal's triangle.
I hope you are fluent in French (I'm not) - https://www.cpc-power.com/index.php?page=detail&onglet=notices&num=12398