All the cores for pce/tg16 in libretro have that glitch. (beetle-pce-fast, beetle-pce and beetle-sgx)
Wonder Momo (HuCard game) - Title and intermission screens are distorted
Ryuuko no Ken (a.k.a Art of Fighting) (CD game) - When the zoom out, size of lifebars are shrinked that not occurs in real device (recorded in real PCE: https://www.youtube.com/watch?v=v5YmZ3ElBkc )