h6. [[OS SWI Calls]] h6(. » [[OS_ScreenMode]] h6((. » OS_ScreenMode 4 h2. OS_ScreenMode 4 h5. (SWI &65) |_<^{width:4em}. Entry | | |<^. R0 |<^. 4 | |<^. R1 |<^. flags. , or -1 to read current value | |<^. |<^. bit 0 = set to suspend cached screen until mode change | |<^. |<^. bit 1 = set to suspend screen cleaning | |<^. |<^. bit 2 = set to disable hardware acceleration | |<^. |<^. Other = reserved, must be 0 | |<^. R2 |<^. number of VSyncs between automatic screen cleaning (1-3), or -1 to read current value | |_<^{width:4em}. Exit | | |<^. R0 |<^. Preserved| |<^. R1 |<^. new flag state (value actually invoked given any restrictions for current platform), or current flag state if R1 = -1 on entry| |<^. R2 |<^. new number of VSyncs between automatic screen cleaning, or current number of VSyncs if R2 = -1 on entry| h4. Use This SWI is used to configure the acceleration in use by the current display driver. h5. Other languages documentation [[OS_ScreenMode 4 (français)|Français]]