Someone is creating a graphics card for C64 based on the Bomb Jack arcade hardware:
https://martin-piper.itch.io/bomb-jack-display-hardware/devlog/215560/tiles-board-testing
View: https://youtu.be/dKMeg2XI5VM
https://martin-piper.itch.io/bomb-jack-display-hardware/devlog/215560/tiles-board-testing