=> R0 = pointer to zero terminated filter name
R1 = address of filter code
R2 = value to be passed in R12
R3 = task handle of task to which filter is applied or 0 for all tasks
<= all registers preserved
Adds a new Wimp_GetRectangle icon plotting post-filter to the list of post-filters.
The address pointed to by R1 will be called whenever the task who's handle is passed in R3 calls Wimp_GetRectangle and just after the windows icons have been plotted with R12 equal to the value of R2 when this SWI is called.
|
|
|