1040 STF showing occasional rogue pixels

[mantra]

After:

- 9.5 hours of YAART
- a few hours of Full Screen Demo from the Cuddly Demos
- an hour running the Reset Demo from the Punish Your Machine demo
- and a few games of Metrocross and

I can finally say: IT'S FIXED! :cheer: :cheer: :cheer:

Yay!! This means I get to play my favourite stuff again!! Thanks soooo much! 🤘😊👍