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INT 16 - KEYBOARD - GET ENHANCED SHIFT FLAGS (AT model 339,XT2,XT286,PS)
|
Input |
Output |
|
AX
|
12h |
|
Extended Status |
Shift Status |
AX |
|
BX
|
|
|
|
|
BX |
|
CX
|
|
|
|
|
CX |
|
DX
|
|
|
|
|
DX |
| ES:DI |
|
|
ES:DI |
| Shift
Status |
| Bit |
Dec |
Hex |
Description |
| 0 |
1 |
01h |
RIGHT SHIFT key
depressed |
| 1 |
2 |
02h |
LEFT SHIFT key
depressed |
| 2 |
4 |
04h |
CTRL key depressed |
| 3 |
8 |
08h |
ALT key depressed |
| 4 |
16 |
10h |
SCROLL LOCK active |
| 5 |
32 |
20h |
NUM LOCK active |
| 6 |
64 |
40h |
CAPS LOCK active |
| 7 |
128 |
80h |
INSERT state active |
| Extended
Status |
| Bit |
Dec |
Hex |
Description |
| 0 |
1 |
01h |
RIGHT ALT key
depressed |
| 1 |
2 |
02h |
LEFT ALT key depressed |
| 2 |
4 |
04h |
RIGHT CTRL key
depressed |
| 3 |
8 |
08h |
LEFT CTRL key depressed |
| 4 |
16 |
10h |
SCROLL LOCK key
depressed |
| 5 |
32 |
20h |
NUM LOCK key depressed |
| 6 |
64 |
40h |
CAPS LOCK key depressed |
| 7 |
128 |
80h |
SYSREQ key
depressed |
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