h6. [[OS SWI Calls]] h6(. » [[OS_Byte]] h6((. » OS_Byte 144 h2. OS_Byte 144 h5. (SWI &06) |_<^{width:3em}. Entry | | |<^. R0|<^. 144 (&90) | |<^. R1|<^. Vertical screen shift (as a signed 8 bit number)| |<^. R2|<^. Interlace flag, 0=on, 1=off | |_<^{width:3em}. Exit|_<^. | |<^. R0|<^. Preserved | |<^. R1|<^. Previous vertical screen shift | |<^. R2|<^. Previous interlace flag | h4. Use The purpose of this call is to specify the vertical screen alignment and interlace options after the next mode change. h4. Notes This is call is equivalent to [[*TV|*TV]]. h4. See also * [[OS_Byte]] * [[*TV|*TV]]