0040h:003Fh Diskette Drive Motor Status
| Diskette
Drive Motor Status |
| Bit |
Dec |
Hex |
Description |
| 0 |
1 |
01h |
Diskette Drive 0 Motor
On Status |
| 1 |
2 |
02h |
Diskette Drive 1 Motor
On Status |
| 2 |
4 |
04h |
Diskette Drive 2 Motor
On Status |
| 3 |
8 |
08h |
Diskette Drive 3 Motor
On Status |
| 4 |
16 |
10h |
Diskette
Drive Select Status |
| 5 |
32 |
20h |
| 6 |
64 |
40h |
Reserved |
| 7 |
128 |
80h |
Read/Write operation |
Select Status
00 = Drive 0 selected 10 = Drive 2 selected
01 = Drive 1 selected 11 = Drive 3 selected |