h6. [[WindowManager]] h6(. » [[WindowManager SWI Calls|SWI Calls]] h6((. » [[Wimp_Extend|Wimp_Extend]] h6(((. » Wimp_Extend (read slot size) h2. Wimp_Extend (read slot size) h5. (SWI &400FB) |_<^. Entry |_<^. | |<^. R0 |<^. 15 (reason code) | |_<^. Exit |_<^. | |<^. R0 |<^. Size of current slot (pages) | |<^. R1 |<^. Size of next slot (pages) | |<^. R2 |<^. Size of free pool (pages) | h4. Use This call implements the same behaviour as [[Wimp_SlotSize]] when called with R0 and R1 set to -1. However, the return values are in units of pages instead of bytes. This allows accurate values to be returned on systems with over 2GB of RAM. h4. Notes The page size can be read via [[OS_ReadMemMapInfo]]. This call was introduced in Wimp 5.67. h4. See also * [[Wimp_SlotSize]] * [[OS_ReadMemMapInfo]]