h6. [[Hardware Abstraction Layer]] h6(. » [[Other HAL related documentation|Other documentation]] h6((. » Service_Hardware h2. Service_Hardware h5. (Service Call &D9) |_<{width:4em}. Entry | | |/2^. R0 |Bits 0-7 "Reason code":#reason | |Bits 8-31 flags (dependent on reason code) | |R1 |Service_Hardware (&D9) | |- |Other registers dependent on reason code | |_<{width:4em}. Exit | | |- |Depends on reason code | h4(#reason). Reason Codes |_<^{width:3em}. #|_<^{width:3em}. Hex|_<^. Meaning| |<^. 0|<^. &00|<^. [[Service_Hardware 0|Device added]] | |<^. 1|<^. &01|<^. [[Service_Hardware 1|Device being removed]] |