Parallel_HardwareAddress (changes)
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ParallelDeviceDriver
» SWI Calls
» Parallel_HardwareAddress
Parallel_HardwareAddress
(SWI &42EC0)
| Entry | |
|---|---|
| - | - |
| Exit | |
|---|---|
| R0 | Address of parallel controller in memory map, or 0 if no hardware present |
| R1 | Address of routine to be called in SVC mode to do: Parallel control register = (Old value AND R1) EOR R0 or preserved if R0 was returned as 0 |
Use
This call is for internal use only.
Notes
Do not use this SWI Call. Use Parallel_Op instead.
See also
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