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back2root:ibm-pc-ms-dos:hardware:informations:kb_flags
Ceci est une ancienne révision du document !
Keyboard Flags Bytes 0 and 1
| bit | 40:97 - LED Indicator Flags |
|---|---|
| 0 | scroll lock indicator |
| 1 | num-lock indicator |
| 2 | caps-lock indicator |
| 3 | circus system indicator |
| 4 | ACK received |
| 5 | re-send received flag |
| 6 | mode indicator update |
| 7 | keyboard transmit error flag |
| bit | 40:96 Keyboard Mode/Type |
|---|---|
| 0 | last code was the E1 hidden code |
| 1 | last code was the E0 hidden code |
| 2 | right CTRL key depressed |
| 3 | right ALT key depressed |
| 4 | 101/102 enhanced keyboard installed |
| 5 | force num-lock if Rd ID & KBX |
| 6 | last char was first ID char |
| 7 | read ID in process |
|7|6|5|4|3|2|1|0| 40:17 Keyboard Flags Byte 0 | | | | | | | `---- right shift key depressed | | | | | | `----- left shift key depressed | | | | | `------ CTRL key depressed | | | | `------- ALT key depressed | | | `-------- scroll-lock is active | | `--------- num-lock is active | `---------- caps-lock is active `----------- insert is active
|7|6|5|4|3|2|1|0| 40:18 Keyboard Flags Byte 1 | | | | | | | `---- left CTRL key depressed | | | | | | `----- left ALT key depressed | | | | | `------ system key depressed and held | | | | `------- suspend key has been toggled | | | `-------- scroll lock key is depressed | | `--------- num-lock key is depressed | `---------- caps-lock key is depressed `----------- insert key is depressed
Keyboard Flags Bytes 2 and 3
- see INT 9 BDA
back2root/ibm-pc-ms-dos/hardware/informations/kb_flags.1673890525.txt.gz · Dernière modification : 2023/01/16 18:35 de frater
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