When facing a binary for which Ghidra lacks the SLEIGH specifications required to disassemble it, you hit a problem that the vast majority of reverse engineers will never encounter. Out of an estimated 25,000 reverse engineers in the United States, only about 500 (~2%) work on this specific doma...
Source: [Dev.to](https://dev.to/ddupard/reverse-engineering-undocumented-architectures-creating-custom-processors-198e)