h6. [[Hardware Abstraction Layer]] h6(. » [[Other HAL related documentation|Other documentation]] h6((. » [[Service_Hardware]] h6(((. » Service_Hardware 0 h2. Service_Hardware 0 h5. (Service Call &D9) |_<{width:4em}. Entry | | |/2^. R0 |Bits 0-7 Reason code (0) | |Bits 8-31 flags (reserved, will be 0) | |R1 |Service_Hardware (&D9) | |R2 |[[HAL Device API|Device]] | |_<{width:4em}. Exit | | |- |All registers must be preserved | h4. Use This service call is issued by the OS after a new [[HAL Device API|device]] has been added to the system. h4. See also * [[OS_Hardware 2]] * [[RISCOS_AddDevice]]