h6. [[OS SWI Calls]] h6(. » [[OS_Byte]] h6((. » OS_Byte 214 h2. OS_Byte 214 h5. (SWI &06) |_<^{width:4em}. Entry | | |<^. R0|<^. 214 (&D6) | |<^. R1|<^. EOR value | |<^. R2|<^. AND value | |_<^{width:4em}. Exit|_<^. | |<^. R0|<^. Preserved | |<^. R1|<^. Previous duration | |<^. R2|<^. Corrupted | h4. Use The purpose of this call is to read or write the duration for the bell. h4. Notes The duration values are always in increments of 5 centiseconds. The default duration is 6. To read/write the bell channel use [[OS_Byte 211]]. To read/write the volume use [[OS_Byte 212]]. To read/write the frequency use [[OS_Byte 213]]. h4. See also * [[OS_Byte]] * [[OS_Byte 211]] * [[OS_Byte 212]] * [[OS_Byte 213]]