(
Media change)
LONG Mediach( dev )
WORD dev;
Mediach() queries a device to know if media (in case of removable device, like CD-ROM or floppies) has been changed.
Opcode
9 (0x09)
Availability
Parameters
dev is the block device number (0 for device 'A:', 1 for 'B:', and so on).
Binding
move.w #dev,-(sp)
move.w #9,-(sp)
trap #13
addq.l #4,sp
Return Value
The return value can be:
| Name |
Value |
Meaning |
| MED_NOCHANGE |
0 |
Media has not changed |
| MED_UNKNOWN |
1 |
Media may have changed |
| MED_CHANGED |
2 |
Media has changed |
See also