Armbian 25.11.2 Noble XFCE (BSP Kernel: 6.1.115) + PanVk - mesa 26.0 (https://launchpad.net/~ernstp/+archive/ubuntu/mesaaco) + Box64 arm64 v0.4.1 ed9827920 (https://ryanfortner.github.io/box64-debs/) + ge-proton10-29 (https://github.com/GloriousEggroll/proton-ge-custom/releases/tag/GE-Proton10-29) (GE-proton is more likely to be segment fault-proof than other wine-proton versions) + dgVoodoo2 (https://github.com/dege-diosg/dgVoodoo2/releases) + DXVK-stripped v2.5.3 30~40fps@720p (low settings) (Some minor flickering bug, but still playable) box64 environment variables: DmC - Devil May Cry

Armbian 25.11.2 Noble XFCE (BSP Kernel: 6.1.115) + PanVk - mesa 26.0 (https://launchpad.net/~ernstp/+archive/ubuntu/mesaaco) + Box64 arm64 v0.4.1 ed9827920 (https://ryanfortner.github.io/box64-debs/) + proton-10.0-4-amd64-wow64 (https://github.com/Kron4ek/Wine-Builds/releases/download/proton-10.0-4/wine-proton-10.0-4-amd64-wow64.tar.xz) + DXVK-stripped v1.6.1 50~60fps@720p (no AA, no AO, high Shadows) box64 environment variables: Neon White

https://github.com/sicXnull/armbian-build/commit/347ffdb2e4ceb301140270fb106c2d0807151122

@sicxnull I would need to look at your sources. Not sure if it's a dts or u-boot patch fix.

Linux is not a real time operating system Realtime OSes have a 1 ms accuracy You need an arduino dedicated only to make your square wave