| 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.
This call is vectored via PointerV software vector.
| # | Hex # | Action |
|---|---|---|
| 0 | &00 | Get pointer type |
| 1 | &01 | Set pointer type |
| 2 | &02 | Read alternate position (Select only) |