12RM04
![Cartridge](http://w140.com/tekwiki/images/thumb/4/41/12RM04%281%29.jpg/200px-12RM04%281%29.jpg)
The 12RM04 is a software ROM pack for the 1240 and 1241. It is used to disassemble instructions from the Intel 8088 microprocessor.
It requires the PM201 to interface with the processor. The PM201 captures the bus cycles and find the instruction boundaries. It must be configured to work with the processor.