Entry | |
---|---|
R0 | Reason code |
All other registers are dependent on reason code |
Exit | |
---|---|
Registers dependent on reason code |
The purpose of this call is to perform a pointer(mouse) operation.
The action performed depends on the reason code value in R0.
Internally this call makes use of the PointerV software vector to communicate with the pointer driver(s).
# | Hex # | Action |
---|---|---|
0 | &00 | Get pointer type |
1 | &01 | Set pointer type |
2 | &02 | Read alternate position (Select only) |
Read pointer presence (NCOS only) |