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 |
This call returns information about the disc in the specified CD-ROM drive.