h6. [[OS SWI Calls]] h6(. » [[OS_Byte]] h6((. » OS_Byte 4 h2. OS_Byte 4 h5. (SWI &06) |_<^{width:3em}. Entry | | |<^. R0|<^. 4 | |<^. R1|<^. [[Cursor Key State|New state]] | |_<^{width:3em}. Exit|_<^. | |<^. R0|<^. Preserved | |<^. R1|<^. Old state | |<^. R2|<^. Corrupted | h4. Use The purpose of this call is to alter the effect of the four arrow keys and the End key. h4. Notes The value of R1 determines their state. [[OS_Byte 237]] may be used to write and read this state. The 'End' key was also known as the 'Copy' key on Acorn branded keyboards. h4. See also * [[Cursor Key State]] * [[OS_Byte]] * [[OS_Byte 237]]