My contribution to the 2022 Yle teksti-TV advent calendar, Finland’s Teletext advent calendar.

The third “ho” is omitted to save space :)

Background: Inspired by Max Haarich’s clever flapping birds effect using the Teletext blink mode, I set out to experiment with a two-phase blink effect. When Dan Farrimond’s call for participation for the Yle advent calendar came up, I could put this tedious mix of hold-mode and inverted graphics to good use.

Source code with control characters

View the full source code: https://zxnet.co.uk/teletext/editor/…