| Function | Address | Description |
|---|---|---|
| DD_DRIVE_STATUS | 017E | Check drive status |
Synopsys
Issue a sense drive status command.
Entry Parameters
| Register | Content |
|---|---|
| C |
Unit/head Bits 0…1 Unit 0…3 Bit 2 Head Bits 3…7 = 0 |
Exit Parameters
- A = ST3 status register 3 of uPD765A
- Always:
- F BC DE HL IX corrupt, all other registers preserved.