R1 contains the address of a 2-word parameter list
The contents
of the input parameter list is mapped as follows:
- The first word contains the virtual address of any byte in the page to start looking at
- The second word contains the maximum number of pages to process.
The content of the output
parameter list for IARQDUMP is
mapped as follows: 
- The first word remains unchanged
- The second word contains the address of the delimiter page.