CDFS_DescribeDisc (changes)
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CDFS
» SWI Calls
» CDFS_DescribeDisc
CDFS_DescribeDisc
(SWI &41E86)
| Entry | |
|---|---|
| R0 | Drive number (0 = 1st CD drive) |
| R1 | Word aligned 64 byte block |
| Exit | |
|---|---|
| R0 | Preserved |
| R1 | Preserved |
Block pointed to by R1 updated:
| Offset | Value |
|---|---|
| +0 | Disc type |
| +1 | Disc mode |
| +2 | Reserved |
| +3 | LBA of Volume Description |
| +4 | Size of disc |
| +8 | LBA of Root Directory |
| +12 | Size of Root Directory |
| +16 | Block Size |
| +20 | Disc name (0 terminated) |
| +56..64 | Reserved |
Use
This call returns information about the disc in the specified CD-ROM drive.
See also
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