Wabajape has just released version 0.4 of his Space Invaders emulator for Dreamcast, DCSI. New features include:

• Space Invaders Deluxe support added.
  
• Simple UI added for dipswitch settings.
  
• Selectable “squish” mode to fit entire SI display on screen.
  
• VMU icon added.
  

You can find the latest version on the left menu under Arcade Emu’s.