This site contains everything you need to build the assembler version of the MK14 emulator (MK14.COM) except the following :-
If you don't have the C Compiler download scmp_cpu.zip which is the zipped output of the CPU Generator program.
Download Assembler Source (23k)
Download Generated CPU Core (for those without C Compilers) (5k)
It can be unzipped into a directory and built using the MAKE batch file.