ADFS_HDC (changes)
Showing changes from revision #0 to #1:
Added | Removed | Changed
ADFS
» SWI Calls
» ADFS_HDC
ADFS_HDC
(SWI &40241)
| Entry | |
|---|---|
| R2 | Address of alternative disc controller |
| R3 | Address of poll location for IRQ/DRQ |
| R4 | Bits for IRQ/DRQ |
| R5 | Address to enable IRQ/DRQ |
| R6 | Bits to enable IRQ/DRQ |
| Exit | |
|---|---|
| - | - |
Use
The purpose of this call is to set the address of an alternaive ST5056 hard disc controller to be used by the ADFS.
Notes
An expansion card can supply an alternative controller to the machines own, and must be HD63463 compatible.
See also
Social
Follow us on
and
and
ROOL Store
Buy RISC OS Open merchandise here, including SD cards for Raspberry Pi and more.