is to use shell scripts to generate everything.
* Each emulation is defined by a short shell script with
extension *.sh that specifies the emulation-specific
parameters (such as the name of the *.sh-sc and *.em
files to use).
* genscript.sh is the master shell script used to generate
an emulation. It is passed various argument, including
the name a the emulation-speciic *.sh file that it
"sources" to set variables to emulation-specifc parameters.
