Longshot released a new version of his RSX extensions for the CPC Plus series called B-ASIC. Here are the new features of version 3.4:

• up to 128 sprites can be handled (still 16 max on the screen)
• new commands to manage sprite collisions
• keyboard events
• some other stuff

You can get more information about B-ASIC in the CPC Wiki and download a copy from the Logon Systems homepage.