h6. [[VideoOverlay]] h6(. » [[VideoOverlay SWI Calls|SWI Calls]] h6((. » VideoOverlay_UnmapBuffer h2. VideoOverlay_UnmapBuffer h5. (SWI &59CC4) |_<^{width:3em}. Entry |<^. | |<^. R0|<^. Overlay ID | |<^. R1|<^. Buffer number | |_<^{width:3em}. Exit |<^. | |- |<^. All registers preserved | h4. Use Unmaps an overlay buffer from the logical address space.