| Function | Address | Description |
|---|---|---|
| DD_INTERFACE | 0157 | Check for the disk drive interface |
Synopsys
Is the floppy disk drive interface present?
This information is also held by BASIC in bit 4 of the FLAGS3 system variable.
Entry Parameters
None
Exit Parameters
- If present
- Carry true
- Otherwise:
- Carry false
- Always:
- A BC DE HL IX corrupt, all other registers preserved.