System Delta - The Card Index Application (19xx)(-)(Side 1)[b] ROM Download can be obtained free for BBC Micro on EmuGames.net only. Play emulator game in English for the USA region. System Delta The Card Index Application is a BBC ROM that you can download to your computer or play online within your browser. You can also download roms such as Thunder Force V Perfect System and Miracle Piano Teaching System The that work on all devices including desktop and mobile. Be sure to rate the game if you enjoyed playing this ROM.