An emulator capable of running some Sega VMS games.

VMS games run on a Sega Dreamcast memory card called a VMU (or VMS in
some regions). It has a 48x32 monochrome LCD display, gamepad,
speaker, directional pad, four action buttons, and the ability to
connect to other VMUs.

Homepage:
https://mc.pp.se/dc/sw.html
