| Function | Address | Description |
|---|---|---|
| DD_READ_ID | 016F | Read a sector identifier |
Synopsys
Read a sector identifier
Entry Parameters
| Register | Content |
|---|---|
| C | Unit 0 or 1 |
| D | Logical track, 0 base |
| IX | Address of XDPB |
Exit Parameters
- If OK:
- Carry true
- A = sector number from identifier
- Otherwise:
- Carry false
- A = Error code
- Always:
- HL = Address of result buffer in page 7
- BC DE IX corrupt, all other registers preserved.