Here is the delicate part. Emulation is legal; downloading copyrighted ROMs is a gray area depending on your country. The Supermodel team does not distribute ROMs. To build your own legally:
When you finally hear the announcer scream "Sega Super GT!" and see those 60 frames-per-second, high-res textures running on your 4K monitor, you aren't just playing a game. You are preserving a moment when Sega believed polygons were magic. supermodel romset
Match it against contemporary MAME sets (e.g., MAME v0.235 through v0.270+). Here is the delicate part
Virtualization and Technical Preservation of the Sega Model 3 Architecture let me know:
To help you get your classic arcade setup running, let me know: