| Function | Address | Description |
|---|---|---|
| DD_L_DPB | 018A | Initialise DPB for a given format |
Synopsys
Initialise an DPB for a given format.
This routine does not affect or consider the freeze flag.
Entry Parameters
| Register | Content |
|---|---|
| DE | Address of source disk specification |
| IX | Address of destination DPB |
Exit Parameters
- If OK:
- Carry true
- A = Disk type recorded on disk
- DE = Size of allocation vector
- HL = Size of hash table
- Otherwise:
- Carry false
- A = Error code
- DE HL corrupt
- Always:
- BC IX corrupt, all other registers preserved.