<itemize>
<item>_dos_type
-<item>_textframe
-<item>_textframexy
<item>get_ostype
+<item>rebootafterexit
+<item>textframe
+<item>textframexy
+<item>videomode
</itemize>
slot and drive pair is mapped to that <tt/drive_id/ according to the formula
<verb>
- <tt/drive_id/ = (slot * 2) + (drive - 1)
+ drive_id = (slot * 2) + (drive - 1)
</verb>
so that for example slot 6 drive 1 is mapped to <tt/drive_id/ 12.