| Function | Address | Description |
|---|---|---|
| DD_TEST_UNSUITABLE | 0172 | Check disk is suitable to write to |
Synopsys
Check that disk is suitable to write to. A single track disk will not work in a double track drive, and vice versa.
Entry Parameters
| Register | Content |
|---|---|
| C | Unit 0 or 1 |
| IX | Address of XDPB |
Exit Parameters
- If OK:
- Carry true
- A corrupt
- Otherwise:
- Carry false
- A = Error code
- Always:
- BC DE HL IX corrupt, all other registers preserved.