h6. [[GPIO]] h6(. » [[GPIO SWI Calls|SWI Calls]] h6((. » GPIO_Features h2. GPIO_Features h5. (SWI &58FAF) |_<^. Exit | |<. R0 = Bitmask of supported features| |<^. bits 0-31: reserved, equal to zero | h4. Use This call returns additional features supported by the GPIO module.