Trebmint is the programmer of the Quigs language to write cross platform programs for SymbOS (Amstrad CPC, MSX et Elan Enterprise). He wrote a demo using the G9K framework for the graphic card V9990. Here are two videos showing it :

• G9k CPC test in SymbOS on real hardware running in SymbOS as a multitasking application
• G9k (v9990) multitasking demo in SymbOS running multiple apps at the same time