Difference between revisions of "Kempston Mouse Buttons"
From SpecNext official Wiki
(Adding info about related nextreg $0A) |
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{{Port | {{Port | ||
|Number=$FADF | |Number=$FADF | ||
| − | |PortMask=%------- | + | |NumberDec=64223 |
| + | |PortMask=%---- ---0 --0- ---- | ||
|ShortDesc=Reads buttons on Kempston Mouse. | |ShortDesc=Reads buttons on Kempston Mouse. | ||
|Readable=Yes | |Readable=Yes | ||
|Writable=No | |Writable=No | ||
| + | |Subsystem=Input | ||
}} | }} | ||
| + | {| class="wikitable" | ||
| + | ! Bit !! Function | ||
| + | |- | ||
| + | | 7-4 || contains wheel-delta value (0..15) since previous read. | ||
| + | |- | ||
| + | | 3 || fourth button | ||
| + | |- | ||
| + | | 2 || middle button | ||
| + | |- | ||
| + | | 1 || left button | ||
| + | |- | ||
| + | | 0 || right button | ||
| + | |} | ||
| + | |||
| + | Mouse sensitivity and button reversal can be adjusted via {{NextRegNo|$0A}}. | ||
Latest revision as of 11:21, 26 April 2021
| Number | $FADF |
|---|---|
| Decimal | 64223 |
| Short desc. | Reads buttons on Kempston Mouse. |
| Bit Mask | %---- ---0 --0- ---- |
| Readable | Yes |
| Writable | No |
| Subsystem | Input |
| Bit | Function |
|---|---|
| 7-4 | contains wheel-delta value (0..15) since previous read. |
| 3 | fourth button |
| 2 | middle button |
| 1 | left button |
| 0 | right button |
Mouse sensitivity and button reversal can be adjusted via Peripheral 5 Register ($0A).