+------------------------+
             |    User Program        |
             |    +-----------+       |
             |    |Programmed |       |
             |    |  Request  |       |
             |    +-----------+       |
             +------------------------+
                         |             
                         v             
             +------------------------+ 
             |      Vector Area       | 
             |   +--------------+ 30  | 
             |   |Points to EMT |     | 
             |   |Processor Code|     | 
             |   +--------------+ 32  | 
             |   |     PS       |     |    
             |   +--------------+     | 
             |                        |    
             +------------------------+ 
                         |              
                         v              
             +------------------------+      +------------------------+
             |        RMON            |      |                        |
             |   +----------------+   |      |       SYSCOM Area      |
             |   |     EMT        |   |      |   +-------+--------+   |
             |   |   Processor    |   |      |   |       | EMT    | 52|
             |   |                |   | ---> |   |       | Error  |   |
             |   |                |   |      |   +-------+--------+   |
             |   |RTI Instruction |   |      |                        |
             |   |                |   |      +------------------------+
             |   +----------------+   | 
             |                        | 
             +------------------------+ 
                         |              
                         v              
             +------------------------+ 
             |     User Program       | 
             +------------------------+