h6. [[OS SWI Calls]] h6(. » [[OS_Byte]] h6((. » OS_Byte 194 h2. OS_Byte 194 h5. (SWI &06) |_<^{width:4em}. Entry | | |<^. R0|<^. 194 (&C2) | |<^. R1|<^. EOR value | |<^. R2|<^. 255 | |_<^{width:4em}. Exit|_<^. | |<^. R0|<^. Preserved | |<^. R1|<^. Duration (video frames)| |<^. R2|<^. Corrupted | h4. Use The purpose of this call is to read the duration of the second flash colour. h4. Notes This call reads the duration of the second flash colour, as set with [[OS_Byte 10]] or [[VDU 23,10]]. This call should not be used to write the value - doing so would only change the value in memory, without affecting the hardware. The duration of the first flash colour can be read by [[OS_Byte 195]]. h4. See also * [[OS_Byte]] * [[OS_Byte 10]] * [[OS_Byte 195]] * [[VDU 23,10]]