VDU Status (changes)
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Programmer's OS Reference SWI Manuals Calls
» Part OS_Byte 15 – SWI Calls
» OS OS_Byte 117
» OS_ByteVDU Status
» OS_Byte 117
» VDU Status
VDU Status
| Bit | Status when set |
|---|---|
| 0 | Print output enabled by VDU 2? |
| 1 | Unused |
| 2 | Paged scrolling selected by VDU 14? |
| 3 | Text window in force. i.e. software scrolling |
| 4 | In a shadow mode |
| 5 | In VDU 5? mode |
| 6 | Cursor editing in progress |
| 7 | Screen disabled with VDU 21? |
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