nesdev.org

There's a layering demo that does OPT 2,4,6. I think it looks okay but there's lots of visual data to pixel check.

https://forums.nesdev.com/viewtopic.php?t=14467
-- ppubusactivity_rev2_sfc.7z

A few more games glitch out (non-opt). I'll see if I can give some advice or more information.

Super Famista 5 (Japan) 1. For some reason, you're triggering a copy protection screen after Namco logo. -- Haven't checked why. Never seen this until now. 2. Main menus are not OPT mode2 animated. https://github.com/SourMesen/Mesen-S/blob/master/Core/Ppu.cpp#L780 bg3ofs = $3ff and 32x32 screen size...

Kick Off (Europe) - main menu is glitched

https://github.com/SourMesen/Mesen-S/bl ... .cpp#L1531
https://github.com/SourMesen/Mesen-S/bl ... .cpp#L1546

VRAM invalidation should bump address.