h6. [[OS SWI Calls]] h6(. » OS_SetECFOrigin h2. OS_SetECFOrigin h5. (SWI &56) |_<^{width:4em}. Entry | | |<^. R0 |<^. X co-ordinate| |<^. R1 |<^. Y co-ordinate| |_<^{width:4em}. Exit | | |<^. R0 |<^. Preserved | |<^. R1 |<^. Preserved | h4. Use The purpose of this call is to set the origin of the ECF pattern. h4. Notes This SWI sets the point with which to align the bottom left of ECF patterns with. This call is the equivalent of [[VDU 23,17,6]]. h4. See also * [[VDU 23,17,6]]