This series of posts by @sjl is a true gem worth bookmarking. It describes a CHIP-8 emulator in Common Lisp whose techniques are applicable to other systems.

But the series is also a Lisp software design resource in disguise, as it presents a Domain-Specific Language for concisely and clearly describing machine architectures and instruction sets.

https://stevelosh.com/blog/2016/12/chip8-cpu/

#CommonLisp #lisp #SoftwareDesign