My first experience with ROM emulators was enough to
sell me on them
My final year undergraduate project involved an embedded 6809 system. The
first thing I did was to build myself (not part of the offical project)
an EPROM prgorammer/emulator. Not having to erase EPROMs all the time was
great!
[Of course said programemr/emulator was controlled by a couple of boards
of TTL logic chips. I couldn't use a microprocessor because without the
programemr I had no way to burn the firmware ROMs...)
-tony