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h6. Programmer's Reference Manuals
Bits | Meaning when set |
---|---|
0 | Horizontal scrolling enabled |
1 | Vertical scrolling enabled |
2 | Scroll Requests enabled |
7 | Clear |
8 | Autoscrolling has commenced – this bit is set after a pause is completed, and remains set until the pointer enters the centre zone |
9 | Pointer is outside the window’s visible area |
10 | Pointer is within one or two pause zones |
11 | Pointer is within the centre zone |
12 | Pointer is left of the centre zone |
13 | Pointer is below the centre zone |
14 | Pointer is right of the centre zone |
15 | Pointer is above the centre zone |
16 | There is work area to the left of the visible area (always clear if bit 0 is clear) |
17 | There is work area below the visible area (always clear if bit 1 is clear) |
18 | There is work area to the right of the visible area (always clear if bit 0 is clear) |
19 | There is work area above the visible area (always clear if bit 1 is clear) |
All other bits must be ignored |
This block is used in conjunction with Wimp_AutoScroll and inform you of the status of the AutoScroll currently in progress.
If bits 0 and 1 are clear AutoScrolling is switched off.