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back2root:ibm-pc-ms-dos:hardware:informations:edba [2023/01/16 18:01] – [Pointing Device Flag Byte 1] frater | back2root:ibm-pc-ms-dos:hardware:informations:edba [2023/01/16 18:03] – [Pointing Device Flag Byte 2] frater | ||
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Ligne 12: | Ligne 12: | ||
===== Pointing Device Flag Byte 1 ===== | ===== Pointing Device Flag Byte 1 ===== | ||
{{anchor: | {{anchor: | ||
- | + | {{tablelayout? | |
- | ^ bit ^ Offset 26 ^ | + | ^ bit ^ Offset 26 ^ |
- | | 0-2 | index count | | + | | 0-2 | index count | |
- | | 3 | reserved (0)| | + | | 3 | reserved (0) |
- | | 4 | error| | + | | 4 | error | |
- | | 5 | acknowledge| | + | | 5 | acknowledge |
- | | 6 | resend | | + | | 6 | resend |
- | | 7 | command in progress | | + | | 7 | command in progress |
===== Pointing Device Flag Byte 2 ===== | ===== Pointing Device Flag Byte 2 ===== | ||
{{anchor: | {{anchor: | ||
- | |7|6|5|4|3|2|1|0| | + | ^ bit ^ Offset 27 ^ |
- | | | | | | `------- | + | | 0-2 | package size | |
- | | `-------------- reserved | + | | 3-6 | reserved |
- | `--------------- | + | | 7 | device driver far call flag | |
+ | ===== Notes ===== | ||
<WRAP round box> | <WRAP round box> | ||
* EBDA is located in highest memory just under 640K on PS/2 | * EBDA is located in highest memory just under 640K on PS/2 | ||
* word at [[back2root: | * word at [[back2root: | ||
</ | </ |