Yes, there are two memory IF, one for program (12 addr, 16 data) and one for data (8 bit addr, 8 data) and this is directly attached to an IO board where MCU em

Yes, there are two memory IF, one for program (12 addr, 16 data) and one for data (8 bit addr, 8 data) and this is directly attached to an IO board where MCU emulates both rom/ram chips. Additionally, MCU interprets the code and checks for expected signals. The added bonus is that you can easily add memory mapped io, i.e dot matrix display and mcu intercepts reads/writes to certain adresses and makes an action (ie toggle led, halt, or switch page)