This is the firmware and example code for the opensource harwdare quad-DAC vector board. It can be used with MAME to display the vectors from 1970s and 80s games like Starwars or Asteroids on vectorscopes and XY monitors like the Vectrex, as well as with new art projects.
More details at https://trmm.net/V.st and https://trmm.net/MAME